25R0001_Atch5-FAFBClimateWeatherData.pdf
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- Attached to
- FY25 Multiple Award Construction Contract (MACC) Federal contract opportunity
- Solicitation number
- FA462025R0001
- Issued by
- Department of the Air Force
About this file
This document is an Operational Climatic Data Summary (OCDS) for Fairchild Air Force Base (AFB) in Washington state, covering climate and weather data from 2014 to 2023, with historical records dating back to 1940. The comprehensive report provides detailed monthly and annual meteorological statistics for temperature, precipitation, snowfall, moisture, wind, atmospheric pressure, and weather occurrences.
Key climate highlights include an annual average temperature of 48°F, with extreme temperatures ranging from -24°F to 109°F. The base experiences significant seasonal variation, with winter months characterized by cold temperatures and snowfall (average of 42.2 inches annually), while summer months are warm and relatively dry. Precipitation averages 15.6 inches per year, with the most precipitation occurring in January and October. Wind patterns are predominantly from the south-southwest, with an average wind speed of 8 knots and occasional gusts up to 67 knots. The data is prepared by the 557th Weather Wing, 14th Weather Squadron, and serves as an authoritative climate summary for the Fairchild AFB location.
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Operational Climatic Data Summary (OCDS)
STATION NAME: FAIRCHILD AFB WA
LOCATION_ID: ICAO_KSKA LOCATION(DEGREES): N 47.615 W 117.656
ELEVATION: 2461 ft / 750.11 m PREPARED BY: 557 WW / 14 WS
MEAN POR: 2014/01/01 - 2023/12/31 UTC TO LST: -8
DETAILED POR: 1940-2023 EXTREME POR: 1940/04/01 - 2024/10/31
YEAR(S): Period of Record (see mean POR >>>)
Authoritative climate summary - data quality and quantity sufficient to produce accurate climatological values
Temperature Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Extreme Max (F) 59 63 72 88 93 109 105 104 100 85 68 58 109 Average Max (F) 34 38 49 58 69 77 87 87 74 60 43 34 59 Daily Average (F) 30 30 38 45 56 63 72 71 59 47 36 29 48 Average Min (F) 25 24 31 36 45 51 57 57 49 39 30 25 39 Extreme Min (F) -21 -24 -3 19 27 31 31 35 26 12 -12 -18 -24 Max Diurnal Range (F) 29 36 36 41 41 41 41 43 41 41 31 29 43 Average # Days >= 90 F 0 0 0 0 0 3 11 9 1 0 0 0 24 Average # Days <= 32 F 28 24 19 10 1 0 0 0 # 5 20 27 135 Average # Days <= 0 F 1 # # 0 0 0 0 0 0 0 0 1 1
Precipitation Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Monthly Max (In) 5.3 4 4.2 3.4 6 2.8 3.1 2.9 2.7 6.5 6.5 5 26.7 Monthly Average (In) 2 1.4 1.5 1.1 1.3 1.1 0.5 0.6 0.7 1.2 2 2.2 15.6 Monthly Min (In) 0 0.1 0 0 0.1 0 0 0 0 0 0 0.3 10 Daily Max (In) 1.1 1.2 1.8 1.1 2.3 1.4 1.1 1.5 0.9 1 1.3 1.2 2.3 Monthly Max Snowfall (In) 50.7 31.7 11.6 8.4 2.7 0 0 0 0 6.9 25.3 42.7 103.9 Monthly Average Snowfall (In) 12.5 6.7 3.1 0.7 0.1 0 0 0 0 0.4 5.8 12.9 42.2 Daily Max Snowfall (In) 8.6 8.8 6 7 1.5 0 0 0 0 6.9 12.5 10.8 12.5 Days with Liquid = Trace 7 7 6 6 6 6 6 6 5 5 6 8 73 Days with Liquid >= 0.01" 12 10 11 9 8 6 3 2 5 9 12 13 99 Days with Liquid >= 0.5" 1 0 0 0 1 0 0 0 0 1 1 2 6 Days with Frozen = Trace 7 6 6 3 1 0 0 0 0 1 5 8 37 Days with Frozen >= 0.05" 9 5 3 1 0 0 0 0 0 0 4 8 31 Days with Frozen > 1.5" 3 2 1 0 0 0 0 0 0 0 1 3 10
Moisture Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Average Max RH (%) 97.9 95 92.5 87.5 84.9 80.5 65.5 64.6 77.3 91.2 95.5 96.7 85.7 Average Min RH (%) 80.5 58 44.1 33.2 31.8 26.4 18.1 18.5 26.8 41.7 64.2 76.8 43.3 Extreme Max Dew Point (F) 55 52 58 61 68 71 71 69 64 61 57 52 71 Average Dew Point (F) 28 26 31 33 41 44 43 43 41 38 32 27 36 Extreme Min Dew Point (F) -30 -28 -20 -5 5 11 9 10 4 -4 -20 -32 -32 Average Vapor Pressure (In Hg) 0.16 0.15 0.18 0.2 0.27 0.3 0.29 0.29 0.27 0.24 0.19 0.15 0.22
Wind Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Prevailing Direction $ENE SSW SSW SSW S SSW S S S S S $S S Average Prevailing Speed (kts) 6 10.3 10.9 10.5 8.2 9.7 7.4 7.4 7.4 8 8.7 7.6 8 Extreme Max Speed (kts) 49.9 44.9 49.9 40 41 36.9 34 42.7 38.1 48 42.9 44.9 49.9 Extreme Max Gust (kts) 64.1 57.1 67 50.1 61 67 50.1 61 61 55 62 61 67 Average Speed (kts) 5.4 7.2 8.2 8.5 7.6 7.6 6.6 6.6 6.6 6.6 7 6 6.8
Pressure Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Extreme Max Pressure Altitude (ft) 3422 3907 3330 3058 3005 2897 2785 2884 3100 3248 3264 3363 3907
Weather Occurrence Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Average # Fog Days (FG/BR) 23 14 9 5 4 2 1 1 3 9 16 22 109 Average # Thunderstorm Days 0 0 1 1 3 3 2 2 1 # # 0 13 Average # Precip Days 24 19 20 18 14 12 8 9 9 15 19 24 192 Average # Rain Days 14 9 15 15 14 12 8 9 9 14 14 13 147 Average # Freezing Rain Days 4 1 # # 0 0 0 0 0 0 1 4 9
Clouds Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Average Cloud Cover (x/8) 7 6 5 5 4 4 2 3 4 5 6 7 5
% Frequency of Wind > 25 kts Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 1.2 4.8 5.5 7.7 5.2 4.5 3.8 5.2 2.6 5.5 3.5 1.8 4
17-19 LST 1 2.6 1.4 2.7 2 2.2 0.7 1.3 0.9 1.5 2.9 1.4 1.7
20-22 LST 1.4 3.1 1.2 0.6 1.7 0.1 0 0.5 0.2 1.2 3.9 1.9 1.5
23-01 LST 1.1 3.3 1.3 1.3 0.7 0.3 0.1 0 0.2 1.5 1.6 2.3 1.3
02-04 LST 2.3 3.1 2.1 1.1 0.2 0 0 0 0 1.5 1.8 1.4 1.4
05-07 LST 1.1 1.9 1.5 2.4 1.9 0.3 0.5 0.1 0.3 1.2 2 1.5 1.3
08-10 LST 0.9 3.8 4.6 4.5 3.9 1.2 1.3 2.2 1.7 3.4 4.3 2.2 2.8
11-13 LST 1.4 4.9 6.5 8.6 4.7 3.9 2 3.7 2.8 6.6 5.1 2.4 4.3
All Hours 1.3 3.4 3 3.7 2.6 1.7 1.1 1.7 1.1 2.7 3.1 1.8 2.3
% Frequency of Fog (FG/BR) Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 43.4 22.3 5.7 2.8 1.8 1.1 0.9 0.2 2 4.8 20 35.9 15.1
17-19 LST 47.9 23.2 8.9 2.2 0.5 0.8 0 0.2 1 5 20.1 38.7 16.8
20-22 LST 53.1 27.4 11.7 3 1.4 0.8 0 0.1 2.6 14.2 24.2 38.5 20.1
23-01 LST 53 29.7 13.2 4.2 2.7 0.6 0 1.2 6.5 15.3 30.9 46.5 22
02-04 LST 58.4 39.1 17.4 7.4 5.7 1 0.8 1.8 10 25.5 39.3 48 26.8
05-07 LST 55.8 47.6 15.4 10.4 3.1 2.4 0.1 5.1 8.6 23 47.2 45.6 27.6
08-10 LST 52.4 39.5 10 4.3 1.4 3.8 0.6 0.1 1.5 11.1 33.6 44.6 21.6
11-13 LST 43.8 20.8 7.8 1.2 0.8 3.5 0.1 0.1 2 4.1 22.5 35.1 14.9
All Hours 51.2 32 11.4 4.6 2.2 1.9 0.3 1.1 4.3 13.5 30.3 41.8 20.8
% Frequency of Thunderstorms Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 0 0 0.4 0.6 4.4 2.4 2.8 0.9 0.7 0.2 0.3 0 0.9
17-19 LST 0 0 0 0.6 2.1 4 1.4 1.1 1.3 0 0 0 0.7
20-22 LST 0 0 0 0 0.9 0.7 0 1.3 0.1 0 0 0 0.2
23-01 LST 0 0 0 0 0.8 0.9 1.5 0.2 0.1 0 0 0 0.2
02-04 LST 0 0 0 0 0.3 1.2 1.4 0.2 0 0 0 0 0.2
05-07 LST 0 0 0.1 0 0.1 0.1 0.6 0.7 0 0 0 0 0.1
08-10 LST 0 0 0.1 0.1 0.2 0 0.2 0.8 0 0 0 0 0.1
11-13 LST 0 0 0.2 0.3 1.6 1.2 0.6 0.7 0.6 0 0.2 0 0.4
All Hours 0 0 0.1 0.2 1.3 1.3 1 0.7 0.3 0 0.1 0 0.3
FA462025R0001
Attachment 5 - FAFB Climate Weather Data
% Frequency of Rain Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 10.5 14.5 24.6 17.4 18.2 14.2 4.3 5.7 11.7 17.4 15 11.2 13.8
17-19 LST 11.6 11.2 19.6 14.9 12.9 14.9 3.3 4.8 9.5 17 18.9 13.3 13.1
20-22 LST 12.9 7.8 17.4 14.9 12.1 10.3 1.7 3.1 6.5 16.3 14.8 12.6 11.6
23-01 LST 11.2 9.3 14.8 16.4 13.1 9.2 4.8 3.1 6.3 16.1 15.9 9.5 11.3
02-04 LST 9.5 7.6 16.2 16.9 12.8 11.6 5.7 4.8 8.6 14.7 15.3 11.2 11.5
05-07 LST 11.2 7 17 19.8 14.4 10.6 4.9 6.1 8.2 15.4 16.4 11.9 12.3
08-10 LST 11.7 6.9 19.2 20.1 12.6 13.1 6 5.7 9.6 16.7 16.1 8.7 12.3
11-13 LST 9.3 12 23 21.4 16 15.3 5.3 7.2 12 19.2 17.1 10.5 14
All Hours 11 9.4 18.9 18 14 12.5 4.6 5.2 9.1 16.5 16.2 11.1 12.5
% Frequency of Snow or Ice Pellets Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 15 21.8 6.3 1.3 0 0 0 0 1.9 2.5 7 18.8 7.7
17-19 LST 12 16.9 5.4 2.3 0 0 0 0 0.3 1.5 4.5 16.2 6.4
20-22 LST 9.1 14.5 3.6 1.7 0 0 0 0 0.3 1 4.6 18.2 5.9
23-01 LST 9.1 12.4 5.6 2.7 0 0 0 0 0.3 0.6 6.5 23.4 6.7
02-04 LST 10.1 13.2 8.5 3.9 0 0 0 0 0.2 0.8 8.6 22 7.3
05-07 LST 10.6 21.5 7.2 4.4 0 0 0 0 1.1 1.2 10.3 21 8.2
08-10 LST 12.1 23.7 8.8 3 0 0 0 0 1.4 1.9 6.7 19.3 8
11-13 LST 12.7 23.6 7.8 1.9 0 0 0 0 0.9 1.5 9 21 7.8
All Hours 11.3 18.6 6.7 2.7 0 0 0 0 0.8 1.4 7.3 20.1 7.3
% Frequency of Ceiling & Visibility < 100 ft / 0.25 mi Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 2.1 0 0 0 0 0 0 0 0.6 0 0.5 0.2 0.3
17-19 LST 1.3 0 0 0 0 0 0 0 0.6 0.1 0.3 0.8 0.3
20-22 LST 1.6 0.2 0 0 0 0 0 0 0.7 0.1 0.4 0.6 0.3
23-01 LST 1.2 0 0 0 0 0 0 0 0.8 0.2 0.7 0.7 0.3
02-04 LST 1.3 0.1 0.5 0.1 0.3 0 0 0.2 0.9 0.7 1.1 1.2 0.5
05-07 LST 3.1 1.9 1 0.5 0 0 0 0 1 0.9 4.1 1.4 1.1
08-10 LST 4.5 0.7 0 0 0 0 0 0 0.7 0 1.7 2.1 0.8
11-13 LST 1.1 0.1 0 0 0 0 0 0 0.7 0 0.4 0.2 0.2
All Hours 2 0.4 0.2 0.1 0 0 0 0 0.7 0.2 1.1 0.9 0.5
% Frequency of Ceiling & Visibility < 200 ft / 0.5 mi Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 8 0.2 0 0 0 0 0 0 0.6 0 1.6 2.7 1.1
17-19 LST 9.8 0.8 0.1 0 0 0 0 0 0.6 0.3 2.9 5 1.6
20-22 LST 11.3 3 0.9 0 0 0 0 0 0.7 0.9 3.4 6.8 2.2
23-01 LST 14.2 2.5 1.1 0.2 0.2 0 0 0 1.3 1 7.1 6.6 2.9
02-04 LST 14 3.9 1.9 0.8 1 0 0 0.3 1.7 1.9 7.6 6.7 3.3
05-07 LST 16.8 7.7 2.3 0.7 0.1 0 0 0.2 2.3 2.6 9.9 8.6 4.3
08-10 LST 14.9 3.6 0.4 0 0 0 0 0 0.8 0 6.3 7.9 2.8
11-13 LST 7.1 0.4 0 0 0 0 0 0 0.7 0.1 1.5 2.5 1
All Hours 12 2.8 0.8 0.2 0.2 0 0 0.1 1.1 0.8 5 5.8 2.4
% Frequency of Ceiling & Visibility < 300 ft / 1 mi Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 11.9 1.1 0.9 0 0.1 0 0 0.4 1.2 0.2 3.8 9.7 2.5
17-19 LST 15.3 2 0.4 0.2 0.1 0 0 0.3 0.8 0.5 5.4 13 3.2
20-22 LST 20 5.7 2.1 0 0.2 0 0 0.3 0.7 1.5 7.3 13.6 4.3
23-01 LST 23.3 8.2 2.5 0.8 0.4 0 0 0.3 1.3 2 11.2 14.9 5.4
02-04 LST 26.7 10 3 1.1 1.3 0.2 0 0.7 2 4.2 15 17.3 6.8
05-07 LST 26.4 13.4 3.6 1.2 0.8 0 0 0.4 3.8 4.4 20 19.6 7.8
08-10 LST 21.1 8 1.2 0.3 0.1 0 0 0.1 1.6 1.5 13 17.9 5.4
11-13 LST 13.1 1.9 0.9 0 0 0 0 0.1 1.5 0.4 5.7 10 2.8
All Hours 19.7 6.3 1.8 0.4 0.4 0 0 0.3 1.6 1.8 10.2 14.5 4.8
% Frequency of Ceiling & Visibility < 500 ft / 1.5 mi Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 21.6 4.2 1.6 0.2 0.5 0.1 0 0.8 1.7 0.8 7.9 20.5 5
17-19 LST 24.5 8 2.1 0.6 0.4 0.1 0 0.7 2.3 1.3 8.9 24.9 6.2
20-22 LST 29.8 11.5 4.3 1 0.7 0.3 0 0.7 2 3 13.3 25.3 7.7
23-01 LST 32.9 15 5 2.6 0.7 0.5 0 0.8 3.2 4.9 17.4 26.6 9.1
02-04 LST 37 16.8 7 3.6 3 1 0 1 3 7 23.3 31.1 11.2
05-07 LST 39.2 20.7 10.1 4.2 1.7 0.8 0.1 1.2 4.8 8.1 28.1 35.2 12.8
08-10 LST 35 17.1 4.2 1.8 0.3 0.6 0 0.7 2.9 4.7 21.2 29.9 9.8
11-13 LST 23.4 5.3 1.6 0.2 0.2 0.1 0 0.1 2.3 0.9 11.5 22.2 5.7
All Hours 30.4 12.3 4.5 1.8 0.9 0.4 0 0.7 2.8 3.8 16.4 27 8.4
% Frequency of Ceiling & Visibility < 800 ft / 2 mi Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 30.6 10.4 2.9 1.4 0.8 0.2 0 0.8 3 1.5 12.6 29.3 7.8
17-19 LST 32.7 13.7 4.3 1.6 1 0.3 0 0.7 2.8 3.5 13.6 33.3 9
20-22 LST 38 18.1 6.5 3 1.7 1 0 0.7 3.2 5.1 17.9 35.2 10.9
23-01 LST 41.5 20.6 7.4 4.8 3.2 1.4 0 0.8 5.2 6.6 22 36.3 12.5
02-04 LST 45.1 22.3 11.5 7.2 5.9 2.7 0.2 1.2 5.8 10.7 28.7 39.9 15.1
05-07 LST 47.7 25.6 17.7 10.4 4.6 3.5 0.4 1.7 7.5 13.7 34.7 43.5 17.6
08-10 LST 46 23.7 10.6 5 2 2 0.1 0.9 4.5 9.1 28.8 41.1 14.5
11-13 LST 35.3 12.2 4.7 1.6 0.8 1.1 0 0.1 4.4 3.8 18.5 33.4 9.7
All Hours 39.6 18.3 8.2 4.4 2.5 1.5 0.1 0.9 4.5 6.7 22.1 36.5 12.1
% Frequency of Ceiling & Visibility < 1000 ft / 2 mi Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 33.6 12.9 4.1 1.7 1.1 0.5 0 0.8 3.1 1.8 14.4 32.9 9
17-19 LST 34.5 15.3 4.9 2.6 1.1 0.5 0 0.8 3.1 3.7 14.8 36.7 9.8
20-22 LST 39.9 19 7.7 3.7 2.5 1.4 0 0.7 3.4 5.4 19.2 38.6 11.8
23-01 LST 43.2 21.2 8.6 5.7 3.5 1.7 0 0.8 5.3 7.4 23.3 38.3 13.2
02-04 LST 47.3 23.9 12.3 8.2 6.6 3 0.2 1.3 6.5 11.6 30.1 43.3 16.2
05-07 LST 49.3 27.3 19 12.7 6.3 4.4 0.5 2 8.6 15.3 36.2 46.8 19
08-10 LST 47.7 27.2 12.6 6.9 3.1 2.9 0.2 0.9 5.2 11.3 32.2 46.3 16.3
11-13 LST 38.8 15.9 6.7 2.3 0.8 1.8 0 0.1 4.9 4.6 21.9 37.6 11.3
All Hours 41.8 20.3 9.5 5.5 3.1 2 0.1 0.9 5 7.6 24 40.1 13.3
% Frequency of Ceiling & Visibility < 1500 ft / 3 mi Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 38.8 19.4 6.1 2.5 1.5 0.6 0 2.5 4.9 3.5 19.3 39.5 11.6
17-19 LST 39.8 18.2 6.4 2.9 1.6 0.7 0 2 4 4.1 17.4 42.1 11.6
20-22 LST 45.2 20.8 9.1 4.2 2.6 1.4 0 1.3 4.3 5.9 20.6 42.1 13.1
23-01 LST 46.4 23.2 9.8 6.6 4 1.8 0 1.2 6.5 8.1 25.9 44.3 14.8
02-04 LST 49.6 26.8 14.1 8.8 7.1 3.3 0.3 2.1 7.8 12.4 31.1 49.2 17.7
05-07 LST 53 31.6 21.3 14.9 8.6 5.4 0.8 3.6 9.7 16.5 38.5 52.2 21.3
08-10 LST 51.2 30.5 15.8 10.4 5.2 4 0.2 2.8 7.7 13.9 34.7 51.2 18.9
11-13 LST 45.1 22.7 9.8 4.4 1.2 2.5 0.2 1.5 5.8 7.2 26.4 44.8 14.3
All Hours 46.1 24.1 11.5 6.8 4 2.5 0.2 2.1 6.3 8.9 26.7 45.7 15.4
FA462025R0001
% Frequency of Ceiling & Visibility < 3000 ft / 3 mi Parameter Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
14-16 LST 46.2 23.8 11.1 4.7 3.2 1.4 0 3.5 5.7 7.6 24.5 46.9 14.9
17-19 LST 47 23.7 10.9 4.3 2.4 1.4 0 2.8 4.9 6.2 22.2 48.2 14.5
20-22 LST 51.5 24.6 12.6 5.2 3.2 1.6 0.1 1.9 5.2 7.2 24.4 50.4 15.7
23-01 LST 52.2 25.9 12.7 8.6 4.8 1.9 0 1.6 7.2 10.2 28.2 52.5 17.1
02-04 LST 55.6 31.2 18.1 10.1 8.2 3.3 0.8 3 8.5 13.9 34.7 56.5 20.3
05-07 LST 58.8 36 24.1 17 10.4 6.2 0.9 4.9 10.2 19 41.5 58.3 23.9
08-10 LST 56.5 34.4 21.7 17.6 10.2 7.1 1 4.2 9.9 17.2 38.6 55.1 22.8
11-13 LST 51.9 28.7 15.8 9 4.7 4.6 0.7 3 7.3 12.9 33.5 51.6 18.6
All Hours 52.5 28.5 15.9 9.6 5.9 3.4 0.4 3.1 7.4 11.8 30.9 52.4 18.5
LEGEND:
* = Data not Available *** = Variable Wind Direction Predominant # = Occurrences rounded to zero $ = Percent of Calm > Prevailing Direction Abs = Absolute ALSTG = Altimeter Setting DA = Density Altitude FG/BR = Fog/Mist LST = Local Standard Time RH = Relative Humidity SLP = Sea Level Pressure Spec = Specific Std Dev = Standard Deviation T = Trace Vis = Visibility
FA462025R0001
T e m pe ra tu re
F
-30
-20
-10
J F M A M J J A S O N D
Monthly Temperature
Max Mean Max Mean Min Min
D a ys
J F M A M J J A S O N D
Temperature Days
Days >= 90F Days <= 32F Days <= 0F
P re ci pi ta tio n (I n)
J F M A M J J A S O N D
Precipitation
Max Mean Minimum 24Hr Max
S no w fa ll (I n)
J F M A M J J A S O N D
Snowfall
Max Mean 24Hr Max
Station Name: FAIRCHILD AFB, WA Station ID: ICAO KSKA Lat=47.615 Lon=-117.656 Elev=2461 Ft Means POR=2014-2023 Extremes POR=1940-2024
FA462025R0001
D a ys
J F M A M J J A S O N D
Weather Events
TSTM Prcp Snow Fog Dust
M e a n
W in d S pe e d (k ts
J F M A M J J A S O N D
P e a k
W in d S pe e d (k ts
ENE
SSW SSW SSW
S
SSW
S S S
S
S
S
Wind Speeds
Mean Speed All Prevail Dir/Spd Peak Speed
CigVis Occurrence at or below 3000ft/3mi
J F M A M J J A S O N D J
H o ur
U T
C
0-5% 5-10% 10-20% 20-30% 30-40% 40-50% >50%
CigVis Occurrence at or below 1000ft/2mi
J F M A M J J A S O N D J
H o ur
U T
C
0-5% 5-10% 10-20% 20-30% 30-40% 40-50% >50%
Station Name: FAIRCHILD AFB, WA Station ID: ICAO KSKA Lat=47.615 Lon=-117.656 Elev=2461 Ft Means POR=2014-2023 Extremes POR=1940-2024
FA462025R0001
Thunderstorm Occurrence
J F M A M J J A S O N D J
H o ur
U T
C
0-0.1% 0.1-3% 3-7.5% 7.5-10% 10-15% 15-20% >20%
Snow/Ice Pellets Occurrence
J F M A M J J A S O N D J
H o ur
U T
C
0-0.1% 0.1-3% 3-7.5% 7.5-10% 10-15% 15-20% >20%
Rain/Drizzle Occurrence
J F M A M J J A S O N D J
H o ur
U T
C
0-0.1% 0.1-3% 3-7.5% 7.5-10% 10-15% 15-20% >20%
Wind Speed > 25 Kts Occurrence
J F M A M J J A S O N D J
H o ur
U T
C
0-0.1% 0.1-3% 3-7.5% 7.5-10% 10-15% 15-20% >20%
Station Name: FAIRCHILD AFB, WA Station ID: ICAO KSKA Lat=47.615 Lon=-117.656 Elev=2461 Ft Means POR=2014-2023 Extremes POR=1940-2024
FA462025R0001
-20-
-10-
0-
10-
20-
30-
40-
50-
60-
70-
80-
90-
100-
110- High
Max
Avg
Mean Temperature (F)
--20
--10
-0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110 Low
Min -21
Avg
Mean Temperature (F)
1-
2-
3-
4-
5-
6-
7-
8- Liquid
Max 5.3
Mean Precipitation (inches)
-6
-12
-18
-24
-30
-36
-42
-48
Snowfall
Max 50.7
Mean Precipitation (inches)
Statistics (days) Prevailing Wind Rain 14 Snow 14 Fz Rain 4.0 Dust 0.0 Thunder 0.0 Fog 23 >= 90F 0.0 <= 32F 28 Max Mean RH 98% Min Mean RH 81%
06 Knots
S
N
W E
14th Weather Squadron 557 Weather Wing
DSN: 322-552-8814
FAIRCHILD AFB
ICAO KSKA
WA January
Ceiling/Visibility Stats (Percent Chance of Occurrence)
(Feet/Nautical Miles)
-20-
-10-
0-
10-
20-
30-
40-
50-
60-
70-
80-
90-
100-
110- High
Max
Avg
Mean Temperature (F)
--20
--10
-0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110 Low
Min -24
Avg
Mean Temperature (F)
1-
2-
3-
4-
5-
6-
7-
8- Liquid
Max 4.0
Mean Precipitation (inches)
-6
-12
-18
-24
-30
-36
-42
-48
Snowfall
Max 31.7
Mean Precipitation (inches)
Statistics (days) Prevailing Wind Rain 9.5 Snow 12 Fz Rain 0.9 Dust 0.0 Thunder 0.0 Fog 14 >= 90F 0.0 <= 32F 24 Max Mean RH 95% Min Mean RH 58%
10 Knots
S
N
W E
14th Weather Squadron 557 Weather Wing
DSN: 322-552-8814
FAIRCHILD AFB
ICAO KSKA
WA February
Ceiling/Visibility Stats (Percent Chance of Occurrence)
(Feet/Nautical Miles)
-20-
-10-
0-
10-
20-
30-
40-
50-
60-
70-
80-
90-
100-
110- High
Max
Avg
Mean Temperature (F)
--20
--10
-0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110 Low
Min -3
Avg
Mean Temperature (F)
1-
2-
3-
4-
5-
6-
7-
8- Liquid
Max 4.2
Mean Precipitation (inches)
-6
-12
-18
-24
-30
-36
-42
-48
Snowfall
Max 11.6
Mean Precipitation (inches)
Statistics (days) Prevailing Wind Rain 15 Snow 6.0 Fz Rain 0.1 Dust 0.2 Thunder 0.8 Fog 8.6 >= 90F 0.0 <= 32F 19 Max Mean RH 93% Min Mean RH 44%
11 Knots
S
N
W E
14th Weather Squadron 557 Weather Wing
DSN: 322-552-8814
FAIRCHILD AFB
ICAO KSKA
WA March
Ceiling/Visibility Stats (Percent Chance of Occurrence)
(Feet/Nautical Miles)
-20-
-10-
0-
10-
20-
30-
40-
50-
60-
70-
80-
90-
100-
110- High
Max
Avg
Mean Temperature (F)
--20
--10
-0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110 Low
Min
Avg
Mean Temperature (F)
1-
2-
3-
4-
5-
6-
7-
8- Liquid
Max 3.4
Mean Precipitation (inches)
-6
-12
-18
-24
-30
-36
-42
-48
Snowfall
Max 8.4
Mean Precipitation (inches)
Statistics (days) Prevailing Wind Rain 15 Snow 3.3 Fz Rain 0.1 Dust 0.1 Thunder 0.8 Fog 5.4 >= 90F 0.0 <= 32F 10 Max Mean RH 88% Min Mean RH 33%
10 Knots
S
N
W E
14th Weather Squadron 557 Weather Wing
DSN: 322-552-8814
FAIRCHILD AFB
ICAO KSKA
WA April
Ceiling/Visibility Stats (Percent Chance of Occurrence)
(Feet/Nautical Miles)
Station Name: FAIRCHILD AFB, WA Station ID: ICAO KSKA Lat=47.615 Lon=-117.656 Elev=2461 Ft Means POR=2014-2023 Extremes POR=1940-2024
FA462025R0001
0-
10-
20-
30-
40-
50-
60-
70-
80-
90-
100-
110- High
Max
Avg
Mean Temperature (F)
--20
--10
-0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110 Low
Min
Avg
Mean Temperature (F)
1-
2-
3-
4-
5-
6-
7-
8- Liquid
Max 6.0
Mean Precipitation (inches)
-6
-12
-18
-24
-30
-36
-42
-48
Snowfall
Max 2.7
Mean Precipitation (inches)
Statistics (days) Prevailing Wind Rain 14 Snow 0.9 Fz Rain 0.0 Dust 0.0 Thunder 3.2 Fog 3.7 >= 90F 0.0 <= 32F 1.0 Max Mean RH 85% Min Mean RH 32%
08 Knots
S
N
W E
14th Weather Squadron 557 Weather Wing
DSN: 322-552-8814
FAIRCHILD AFB
ICAO KSKA
WA May
Ceiling/Visibility Stats (Percent Chance of Occurrence)
(Feet/Nautical Miles)
-20-
-10-
0-
10-
20-
30-
40-
50-
60-
70-
80-
90-
100-
110- High Max
Avg
Mean Temperature (F)
--20
--10
-0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110 Low
Min
Avg
Mean Temperature (F)
1-
2-
3-
4-
5-
6-
7-
8- Liquid
Max 2.8
Mean Precipitation (inches)
-6
-12
-18
-24
-30
-36
-42
-48
Snowfall
Max 0.0Mean Precipitation
(inches)
Statistics (days) Prevailing Wind Rain 12 Snow 0.1 Fz Rain 0.0 Dust 0.0 Thunder 2.9 Fog 2.3 >= 90F 3.0 <= 32F 0.0 Max Mean RH 81% Min Mean RH 26%
10 Knots
S
N
W E
14th Weather Squadron 557 Weather Wing
DSN: 322-552-8814
FAIRCHILD AFB
ICAO KSKA
WA June
Ceiling/Visibility Stats (Percent Chance of Occurrence)
(Feet/Nautical Miles)
-20-
-10-
0-
10-
20-
30-
40-
50-
60-
70-
80-
90-
100-
110- High
Max Avg
Mean Temperature (F)
--20
--10
-0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110 Low
Min
Avg
Mean Temperature (F)
1-
2-
3-
4-
5-
6-
7-
8- Liquid
Max 3.1
Mean Precipitation (inches)
-6
-12
-18
-24
-30
-36
-42
-48
Snowfall
Max 0.0Mean Precipitation
(inches)
Statistics (days) Prevailing Wind Rain 8.1 Snow 0.0 Fz Rain 0.0 Dust 0.0 Thunder 1.9 Fog 0.8 >= 90F 11 <= 32F 0.0 Max Mean RH 66% Min Mean RH 18%
07 Knots
S
N
W E
14th Weather Squadron 557 Weather Wing
DSN: 322-552-8814
FAIRCHILD AFB
ICAO KSKA
WA July
Ceiling/Visibility Stats (Percent Chance of Occurrence)
(Feet/Nautical Miles)
-20-
-10-
0-
10-
20-
30-
40-
50-
60-
70-
80-
90-
100-
110- High
Max Avg
Mean Temperature (F)
--20
--10
-0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110 Low
Min
Avg
Mean Temperature (F)
1-
2-
3-
4-
5-
6-
7-
8- Liquid
Max 2.9
Mean Precipitation (inches)
-6
-12
-18
-24
-30
-36
-42
-48
Snowfall
Max 0.0Mean Precipitation
(inches)
Statistics (days) Prevailing Wind Rain 9.0 Snow 0.0 Fz Rain 0.0 Dust 0.1 Thunder 1.8 Fog 0.8 >= 90F 9.0 <= 32F 0.0 Max Mean RH 65% Min Mean RH 19%
07 Knots
S
N
W E
14th Weather Squadron 557 Weather Wing
DSN: 322-552-8814
FAIRCHILD AFB
ICAO KSKA
WA August
Ceiling/Visibility Stats (Percent Chance of Occurrence)
(Feet/Nautical Miles)
Station Name: FAIRCHILD AFB, WA Station ID: ICAO KSKA Lat=47.615 Lon=-117.656 Elev=2461 Ft Means POR=2014-2023 Extremes POR=1940-2024
FA462025R0001
0-
10-
20-
30-
40-
50-
60-
70-
80-
90-
100-
110- High
Max
Avg
Mean Temperature (F)
--20
--10
-0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110 Low
Min
Avg
Mean Temperature (F)
1-
2-
3-
4-
5-
6-
7-
8- Liquid
Max 2.7
Mean Precipitation (inches)
-6
-12
-18
-24
-30
-36
-42
-48
Snowfall
Max 0.0Mean Precipitation
(inches)
Statistics (days) Prevailing Wind Rain 8.9 Snow 0.3 Fz Rain 0.0 Dust 0.1 Thunder 1.2 Fog 2.7 >= 90F 1.0 <= 32F 0.1 Max Mean RH 77% Min Mean RH 27%
07 Knots
S
N
W E
14th Weather Squadron 557 Weather Wing
DSN: 322-552-8814
FAIRCHILD AFB
ICAO KSKA
WA September
Ceiling/Visibility Stats (Percent Chance of Occurrence)
(Feet/Nautical Miles)
-20-
-10-
0-
10-
20-
30-
40-
50-
60-
70-
80-
90-
100-
110- High
Max
Avg
Mean Temperature (F)
--20
--10
-0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110 Low
Min
Avg
Mean Temperature (F)
1-
2-
3-
4-
5-
6-
7-
8- Liquid
Max 6.5
Mean Precipitation (inches)
-6
-12
-18
-24
-30
-36
-42
-48
Snowfall
Max 6.9
Mean Precipitation (inches)
Statistics (days) Prevailing Wind Rain 14 Snow 1.2 Fz Rain 0.0 Dust 0.3 Thunder 0.1 Fog 8.6 >= 90F 0.0 <= 32F 5.0 Max Mean RH 91% Min Mean RH 42%
08 Knots
S
N
W E
14th Weather Squadron 557 Weather Wing
DSN: 322-552-8814
FAIRCHILD AFB
ICAO KSKA
WA October
Ceiling/Visibility Stats (Percent Chance of Occurrence)
(Feet/Nautical Miles)
-20-
-10-
0-
10-
20-
30-
40-
50-
60-
70-
80-
90-
100-
110- High
Max
Avg
Mean Temperature (F)
--20
--10
-0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110 Low
Min -12
Avg
Mean Temperature (F)
1-
2-
3-
4-
5-
6-
7-
8- Liquid
Max 6.5
Mean Precipitation (inches)
-6
-12
-18
-24
-30
-36
-42
-48
Snowfall
Max 25.3
Mean Precipitation (inches)
Statistics (days) Prevailing Wind Rain 14 Snow 5.7 Fz Rain 0.7 Dust 0.2 Thunder 0.3 Fog 16 >= 90F 0.0 <= 32F 20 Max Mean RH 96% Min Mean RH 64%
09 Knots
S
N
W E
14th Weather Squadron 557 Weather Wing
DSN: 322-552-8814
FAIRCHILD AFB
ICAO KSKA
WA November
Ceiling/Visibility Stats (Percent Chance of Occurrence)
(Feet/Nautical Miles)
-20-
-10-
0-
10-
20-
30-
40-
50-
60-
70-
80-
90-
100-
110- High
Max
Avg
Mean Temperature (F)
--20
--10
-0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110 Low
Min -18
Avg
Mean Temperature (F)
1-
2-
3-
4-
5-
6-
7-
8- Liquid
Max 5.0
Mean Precipitation (inches)
-6
-12
-18
-24
-30
-36
-42
-48
Snowfall
Max 42.7
Mean Precipitation (inches)
Statistics (days) Prevailing Wind Rain 13 Snow 17 Fz Rain 3.5 Dust 0.0 Thunder 0.0 Fog 22 >= 90F 0.0 <= 32F 27 Max Mean RH 97% Min Mean RH 77%
08 Knots
S
N
W E
14th Weather Squadron 557 Weather Wing
DSN: 322-552-8814
FAIRCHILD AFB
ICAO KSKA
WA December
Ceiling/Visibility Stats (Percent Chance of Occurrence)
(Feet/Nautical Miles)
Station Name: FAIRCHILD AFB, WA Station ID: ICAO KSKA Lat=47.615 Lon=-117.656 Elev=2461 Ft Means POR=2014-2023 Extremes POR=1940-2024
FA462025R0001
| FAFBClimateWeatherData |
| ICAO_KSKA_OCDS |
ICAO_KSKA_Climogram
File details come from the government source that posted it. Updated .