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Sheet1 FA462519R0001 Atch 10 Whiteman AFB Climotogical Data
| LOCATION ID: | STATION NAME: | PERIOD OF RECORD: |
| ICAO_KSZL | WHITEMAN AFB MO | Mean: 2008/01/01 - 2017/12/31 |
| | Extreme: 1942/12/01 - 2018/05/31 |
| LOCATION (DEGREES) | ELEVATION (FEET) | UTC TO LST |
| N 38.730 W 93.547 | +870 | -6 |
| YEAR(S) | | DETAILED POR |
| Period of Record (see detailed POR >>>) | | 1942-1946, 1954-1970, 1973-2017 |
| Temperature | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Temperature Extreme Maximum (°F) | 73 | 82 | 86 | 92 | 94 | 104 | 109 | 106 | 106 | 95 | 82 | 73 | 109 |
| Temperature Mean Maximum (°F) | 41 | 45 | 58 | 68 | 76 | 86 | 89 | 87 | 80 | 69 | 57 | 44 | 67 |
| Temperature Mean (°F) | 30 | 34 | 46 | 56 | 64 | 74 | 78 | 75 | 68 | 57 | 46 | 35 | 55 |
| Temperature Mean Minimum (°F) | 21 | 25 | 37 | 47 | 56 | 66 | 69 | 66 | 59 | 48 | 37 | 27 | 47 |
| Temperature Extreme Minimum (°F) | -19 | -17 | -6 | 19 | 31 | 41 | 47 | 46 | 33 | 22 | -1 | -20 | -20 |
| Temperature Maximum Range (°F) | 50 | 52 | 47 | 47 | 38 | 38 | 38 | 40 | 40 | 43 | 41 | 41 | 52 |
| Days With Temperature >= 90°F | 0 | 0 | 0 | 0 | 1 | 9 | 13 | 9 | 3 | 0 | 0 | 0 | 35 |
| Days With Temperature <= 32°F | 27 | 22 | 12 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 11 | 24 | 101 |
| Days With Temperature <= 0°F | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Precipitation | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Precipitation Period Maximum (In) | 9 | 5.1 | 10.7 | 12 | 14 | 13.3 | 14.6 | 10.6 | 16.7 | 8.4 | 12.3 | 8.4 | 63.1 |
| Precipitation Period Mean (In) | 1.7 | 1.7 | 2.8 | 3.8 | 4.8 | 5 | 3.9 | 3.9 | 4.3 | 3.2 | 2.4 | 1.8 | 39.6 |
| Precipitation Period Minimum (In) | 0 | 0 | 0.1 | 0.4 | 1 | 0 | 0.1 | 0.1 | 0.1 | 0.1 | 0 | 0.1 | 21.1 |
| Precipitation Period Daily Maximum (In) | 2.4 | 2.5 | 2.3 | 4.7 | 3.9 | 3.6 | 6.8 | 6.7 | 5.9 | 3.8 | 3.7 | 2.6 | 6.8 |
| Snowfall Period Maximum (In) | 29.7 | 22.2 | 22.9 | 5.8 | T | 0 | 0 | 0 | 0 | T | 15 | 17.1 | 46.7 |
| Snowfall Period Mean (In) | 5.9 | 5.2 | 2.8 | 0.5 | T | 0 | 0 | 0 | 0 | T | 1.1 | 4.2 | 19.7 |
| Snowfall Period Daily Maximum (In) | 13.1 | 10 | 8 | 5.3 | T | 0 | 0 | 0 | 0 | T | 13 | 14.4 | 14.4 |
| Days with liquid >= Trace | * | * | * | * | * | * | * | * | * | * | * | * | * |
| Days with liquid >= 0.01" | 14 | 13 | 16 | 15 | 16 | 13 | 12 | 11 | 12 | 11 | 12 | 13 | 158 |
| Days with liquid >= 0.5" | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 1 | 26 |
| Days with snow >= Trace | * | * | * | * | * | * | * | * | * | * | * | * | * |
| Days with snow >= 0.05" | 3 | 3 | 2 | * | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 12 |
| Days with snow >= 1.5" | 1 | 1 | 1 | * | 0 | 0 | 0 | 0 | 0 | 0 | * | 1 | 4 |
| * = No Data T = Trace # = Occurrences rounded to 0 | | | | | | | | | | | | | |
| Moisture | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Relative Humidity Mean Maximum (%) | 86.7 | 87.8 | 89.6 | 89.2 | 93.7 | 94 | 93.6 | 94.7 | 96.3 | 90.9 | 87.2 | 89.6 | 91.1 |
| Relative Humidity Mean Minimum (%) | 48.8 | 47.1 | 45.1 | 43.4 | 48.1 | 49.7 | 48.8 | 49.4 | 49.9 | 44.9 | 46.9 | 53.5 | 48 |
| Vapor Pressure Mean (In Hg) | 0.14 | 0.15 | 0.24 | 0.34 | 0.48 | 0.65 | 0.71 | 0.67 | 0.55 | 0.35 | 0.24 | 0.17 | 0.39 |
| Dew Point Temperature Mean (°F) | 22 | 25 | 36 | 46 | 56 | 66 | 68 | 66 | 60 | 47 | 37 | 28 | 47 |
| Dew Point Temperature Extreme Maximum (°F) | 64 | 66 | 70 | 75 | 77 | 82 | 85 | 84 | 81 | 76 | 72 | 66 | 85 |
| Dew Point Temperature Extreme Minimum (°F) | -30 | -26 | -17 | -1 | 14 | 31 | 21 | 31 | 23 | 7 | -21 | -27 | -30 |
| * = No Data T = Trace # = Occurrences rounded to 0 | | | | | | | | | | | | | |
| Wind | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Prevailing Wind Direction | S | N | S | S | S | S | S | S | S | S | S | S | S |
| Wind Speed Mean for Prevailing Wind Direction (kts) | 8.5 | 10.1 | 10.5 | 10.3 | 9.1 | 8.9 | 7 | 6.8 | 7 | 8.5 | 9.5 | 9.1 | 8.7 |
| Wind Speed Mean for All Wind Directions (kts) | 8.5 | 8.7 | 9.1 | 8.9 | 7.6 | 7.8 | 6.4 | 5.6 | 6 | 7.4 | 8.5 | 8.2 | 7.8 |
| Wind Speed Maximum (kts) | 34 | 37.9 | 46 | 41 | 38.8 | 45.8 | 42 | 54 | 37.9 | 35 | 38.1 | 32.1 | 54 |
| Gust Speed Maximum (kts) | 49 | 69 | 65.1 | 73 | 55 | 88 | 60 | 81 | 60 | 65.1 | 66 | 61 | 88 |
| * = No Data T = Trace # = Occurrences rounded to 0 | | | | | | | | | | | | | |
| Weather Occurrence | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Fog Days Mean (FG/BR) | 9 | 9 | 11 | 9 | 11 | 9 | 9 | 10 | 12 | 9 | 8 | 12 | 118 |
| Thunderstorm Days Mean | 1 | 2 | 3 | 8 | 8 | 10 | 8 | 6 | 5 | 5 | 1 | 1 | 57 |
| Precipitation Days Mean | 12 | 13 | 14 | 14 | 16 | 13 | 11 | 11 | 10 | 12 | 10 | 13 | 149 |
| Rain Days Mean | 6 | 8 | 13 | 14 | 16 | 13 | 11 | 11 | 10 | 11 | 9 | 9 | 131 |
| Freezing Rain Days Mean | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | # | 2 | 7 |
| * = No Data T = Trace # = Occurrences rounded to 0 | | | | | | | | | | | | | |
| % Frequency of Snow or Ice Pellet | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| 17-19 LST | 7.2 | 9 | 3.1 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0.4 | 5.6 | 2.1 |
| 20-22 LST | 7.5 | 12 | 4.8 | 0 | 0.5 | 0 | 0 | 0 | 0 | 0 | 1.6 | 5 | 2.6 |
| 23-01 LST | 9.7 | 10.8 | 3.6 | 0.2 | 1.3 | 0 | 0 | 0 | 0 | 0 | 1.1 | 5.5 | 2.6 |
| 02-04 LST | 7.2 | 7.9 | 3.3 | 0.4 | 0.4 | 0 | 0 | 0 | 0 | 0 | 1.5 | 4.1 | 2 |
| 05-07 LST | 7.4 | 11.4 | 3.8 | 0.3 | 0.3 | 0 | 0 | 0 | 0 | 0 | 2.3 | 7.4 | 2.7 |
| 08-10 LST | 11.1 | 13 | 5.3 | 0.5 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0.6 | 7.7 | 3.2 |
| 11-13 LST | 7.7 | 10.1 | 4.7 | 0.3 | 0.2 | 0 | 0 | 0 | 0 | 0 | 1 | 7.5 | 2.6 |
| 14-16 LST | 7.4 | 9.3 | 5.4 | 0.3 | 0.5 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 2.4 |
| All Hours | 8.2 | 10.4 | 4.2 | 0.3 | 0.5 | 0 | 0 | 0 | 0 | 0 | 1.2 | 6 | 2.6 |