07-SAFB_Climatic_Data.pdf
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Attachment 7-SAFB Climatic Data
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OP E R A T I O N A L CL I M A T I C DA T A SU M M A R Y (OCDS- I I )
LOCATION ID
ICAO_KBLV
STATION NAME
SCOTT AFB MIDAMERIC, IL
PERIOD OF RECORD
Mean: 2007/01/01 - 2016/12/31
Extreme: 1938/01/01 - 2017/11/30
UTC TO LST
-6
LOCATION(DEGREES)
N 38.545 W 89.835
ELEVATION(FEET)
PREPARED BY
557WW /14WS
YEAR(S)
Period of Record (see detailed POR >>>)
DETAILED POR
1938-2016
A U T H O R I T A T I V E C L I M A T E S U M M A R Y - D A T A Q U A L I T Y A N D Q U A N T I T Y S U F F I C I E N T T O P R O D U C E A C C U R A T E C L I M A T O L O G I C A L V A L U E S
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TEMPERATURE
PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Temperature Extreme Maximum (°F) 75 82 90 93 97 106 110 104 103 95 84 75 110
Temperature Mean Maximum (°F) 40 43 59 69 77 87 88 88 81 70 56 44 67 Temperature Mean (°F) 31 33 46 57 65 75 77 76 69 58 46 37 56
Temperature Mean Minimum (°F) 23 25 38 47 57 66 68 67 59 48 37 29 47 Temperature Extreme Minimum (°F) -19 -12 -3 22 29 44 48 44 27 23 4 -13 -19 Temperature Maximum Range (°F) 50 47 49 47 41 41 36 36 50 47 47 43 50
Days With Temperature >= 90°F 0 0 0 0 2 11 13 13 4 1 0 0 43 Days With Temperature <= 32°F 27 23 12 2 0 0 0 0 0 1 12 23 100 Days With Temperature <= 0°F 1 0 0 0 0 0 0 0 0 0 0 0 1
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
PRECIPITATION
PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Precipitation Period Maximum (In) 8.9 8.0 10.0 12.5 15.5 17.2 11.6 21.1 10.9 11.5 10.0 9.1 58.7
Precipitation Period Mean (In) 2.3 2.3 3.4 4.2 4.2 4.3 3.8 3.6 3.4 3.0 3.4 3.0 40.8 Precipitation Period Minimum (In) 0.1 0.3 0.6 1.1 0.7 0.9 0.4 0.1 0.1 0.1 0.3 0.1 20.6
Precipitation Period Daily Maximum (In) 3.6 3.5 3.6 6.4 4.1 8.1 5.5 9.2 4.4 4.0 6.7 3.6 9.2 Snowfall Period Maximum (In) 23.2 14.0 20.4 17.3 0.0 0.0 0.0 0.0 0.0 0.2 12.7 23.1 34.3
Snowfall Period Mean (In) 4.8 3.5 2.5 0.5 0.0 0.0 0.0 0.0 0.0 0.0 1.1 2.9 15.6 Snowfall Period Daily Maximum (In) 12.0 12.1 7.3 9.5 0.0 0.0 0.0 0.0 0.0 0.2 10.3 13.6 13.6
Days with liquid >= Trace 6 4 4 2 4 3 4 4 3 3 3 5 46 Days with liquid >= 0.01" 7 8 9 11 12 9 8 7 8 8 8 8 103 Days with liquid >= 0.5" 1 1 2 4 3 3 3 2 2 3 2 2 30
Days with snow >= Trace 6 5 3 1 0 0 0 0 0 # 2 5 22 Days with snow >= 0.05" 3 3 2 # 0 0 0 0 0 0 1 2 11 Days with snow >= 1.5" 1 1 1 # 0 0 0 0 0 0 # 1 4
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
MOISTURE
PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Relative Humidity Mean Maximum (%) 88.2 88.8 91.1 90.3 95.1 96.1 96.7 97.3 97.3 94.5 91.5 93.6 93.4 Relative Humidity Mean Minimum (%) 51.3 49.0 45.0 42.0 49.1 48.6 50.6 48.7 47.8 45.2 48.5 60.0 48.9
Vapor Pressure Mean (In Hg) 0.15 0.15 0.26 0.36 0.51 0.66 0.73 0.71 0.58 0.38 0.26 0.20 0.41 Dew Point Temperature Mean (°F) 24 26 38 48 58 66 69 68 62 49 39 32 48
Dew Point Temperature Extreme Maximum (°F) 66 66 70 75 82 88 87 88 83 76 72 67 88 Dew Point Temperature Extreme Minimum (°F) -38 -27 -16 5 14 29 36 36 17 3 -7 -27 -38
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
WIND
PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Prevailing Wind Direction NW NW $S S $S $S $S $S $N $S $S $S $S
Wind Speed Mean for Prevailing Wind Direction (kts) 11.1 11.1 10.3 10.5 8.9 7.8 6.0 6.4 5.8 8.2 8.9 8.9 8.5 Wind Speed Mean for All Wind Directions (kts) 7.6 7.8 7.4 7.6 6.0 5.4 3.9 3.5 3.7 5.6 6.2 7.0 6.0
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Attachment 7
Wind Speed Maximum (kts) 49.0 40.0 39.8 42.0 42.9 42.0 48.0 39.0 43.9 39.0 39.0 39.0 49.0 Gust Speed Maximum (kts) 55.0 68.0 66.0 65.1 84.1 90.1 80.0 66.8 53.0 54.0 55.9 53.0 90.1
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
PRESSURE
PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Pressure Altitude Extreme Maximum (ft) 1361.5 1466.5 1263.1 1273.0 1158.1 997.4 797.2 751.3 1115.5 1200.8 1164.7 1145.0 1466.5
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
WEATHER OCCURRENCE
PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Fog Days Mean (FG/BR) 10 10 13 10 13 10 11 14 16 11 10 13 142
Thunderstorm Days Mean 1 1 3 6 8 8 8 5 4 3 1 2 49 Precipitation Days Mean 14 13 15 14 17 15 16 13 14 11 11 14 167
Rain Days Mean 9 8 14 14 17 15 15 13 13 11 9 11 149 Freezing Rain Days Mean 2 3 0 0 0 0 0 0 0 0 # 2 8
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
CEILING AND VISIBILITY
PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Cloud Cover Mean (x/8) 5 5 5 4 4 3 3 3 3 4 4 6 4
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF WIND > 25 KTS
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 6.2 2.8 4.5 7.9 2.1 2.4 1.4 1.3 1.5 1.5 2.3 2.0 3.0
20-22 LST 4.2 2.9 3.5 3.9 2.0 1.4 1.5 0.1 0.8 1.2 1.5 3.3 2.2
23-01 LST 3.0 2.3 1.7 2.8 1.5 1.0 0.5 0.7 0.4 0.9 1.6 3.3 1.6
02-04 LST 4.1 3.7 2.2 1.3 0.9 1.4 0.2 0.1 0.0 1.1 1.8 2.2 1.5
05-07 LST 4.2 4.0 1.2 3.9 1.1 1.2 0.4 0.1 0.3 0.1 0.7 2.4 1.6
08-10 LST 3.3 6.1 4.5 5.0 1.4 1.4 0.4 0.1 1.3 1.1 2.7 4.1 2.6
11-13 LST 4.6 6.9 7.4 8.0 4.0 2.3 1.1 0.3 1.4 2.8 5.3 7.2 4.4
14-16 LST 5.0 8.0 8.4 13.1 5.3 4.1 2.7 2.5 1.7 3.0 2.9 5.8 5.2
All Hours 4.3 4.6 4.0 5.6 2.3 1.8 1.0 0.6 0.8 1.4 2.3 3.7 2.7
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF FOG (FG/BR)
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 12.8 15.5 13.3 7.5 6.2 3.9 7.4 9.3 7.3 7.8 13.7 20.3 10.7
20-22 LST 21.2 20.4 16.1 13.5 9.6 8.7 7.5 15.7 23.0 11.1 16.1 23.8 15.9
23-01 LST 23.4 25.8 19.6 16.5 16.2 15.9 22.6 30.8 37.1 17.3 19.1 25.5 22.9
02-04 LST 21.9 20.9 25.0 20.5 26.0 24.5 30.4 46.7 43.3 24.5 27.0 24.2 29.0
05-07 LST 19.6 21.1 29.6 19.6 21.3 17.8 23.1 36.4 36.5 27.1 23.4 27.5 25.7
08-10 LST 16.6 21.5 16.0 9.5 9.0 8.0 6.7 3.2 13.2 14.2 13.6 26.7 13.4
11-13 LST 16.7 13.0 8.3 8.5 7.9 4.5 3.1 4.2 5.6 7.9 10.9 19.1 9.3
14-16 LST 15.0 14.0 12.1 8.5 7.0 5.2 4.4 3.9 3.8 7.7 13.4 18.5 9.6
All Hours 18.6 19.2 18.0 13.2 13.4 11.7 14.3 21.9 24.0 15.3 17.5 23.4 17.7
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF THUNDERSTORM
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 0.4 0.6 2.2 7.2 6.0 7.5 9.0 7.3 8.2 1.6 0.0 1.1 4.1
20-22 LST 0.9 2.2 1.7 10.5 7.2 7.6 4.9 3.7 4.0 2.3 2.0 0.4 3.9
23-01 LST 0.0 0.2 0.7 5.0 2.9 4.1 5.0 2.8 3.4 1.8 0.9 0.3 2.3
02-04 LST 1.1 0.6 0.5 2.8 2.6 5.4 3.8 3.3 2.1 1.8 0.4 0.5 2.1
05-07 LST 0.7 0.2 0.6 5.5 3.9 6.6 2.6 2.9 1.4 2.3 0.0 0.7 2.2
08-10 LST 0.0 0.7 1.3 5.8 2.9 4.3 3.9 1.1 1.9 1.3 0.0 0.5 1.9
11-13 LST 0.0 0.2 0.7 7.3 6.9 8.7 5.6 1.8 1.2 3.4 1.5 0.8 3.2
14-16 LST 0.2 0.4 3.2 4.6 10.9 11.3 9.8 5.7 4.6 3.3 0.0 1.0 4.5
All Hours 0.4 0.6 1.3 6.1 5.3 6.8 5.4 3.4 3.1 2.2 0.6 0.6 3.0
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* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF RAIN
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 7.0 9.2 12.9 20.2 19.0 13.3 16.1 18.0 13.7 16.9 13.7 16.9 14.7
20-22 LST 8.7 13.1 14.9 25.8 19.9 15.7 11.2 11.0 10.5 15.1 17.5 12.9 14.7
23-01 LST 10.9 10.4 15.3 18.7 14.9 10.5 9.8 9.3 9.8 13.1 13.9 15.4 12.6
02-04 LST 8.1 8.5 11.9 15.8 13.7 12.2 11.6 10.8 12.2 12.7 14.0 14.3 12.2
05-07 LST 6.5 8.1 15.5 17.5 18.5 19.6 15.8 10.8 14.0 14.4 11.4 14.9 13.9
08-10 LST 8.2 9.1 14.4 17.4 19.7 16.5 15.2 11.6 17.1 18.0 13.3 16.5 14.8
11-13 LST 8.7 8.0 11.3 20.4 19.6 14.2 13.4 12.1 13.7 18.1 15.7 14.5 14.2
14-16 LST 8.2 8.3 13.8 21.6 24.6 17.3 15.9 12.1 14.4 17.9 15.2 16.8 15.7
All Hours 8.3 9.4 13.8 19.6 18.5 14.8 13.5 11.7 13.0 15.6 14.3 15.2 14.0
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF SNOW OR ICE PELLET
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 8.1 12.2 5.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.5 5.1 3.0
20-22 LST 11.5 10.5 3.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.2 2.6
23-01 LST 12.6 14.2 3.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 2.7 2.6
02-04 LST 13.5 14.1 4.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.9 2.8
05-07 LST 12.3 15.8 4.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 3.0
08-10 LST 9.1 17.6 4.2 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.4 5.3 3.1
11-13 LST 8.3 11.1 4.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 5.8 2.8
14-16 LST 8.6 13.4 4.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.9 6.1 3.2
All Hours 10.6 13.6 4.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.5 5.0 2.9
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF CEILING & VISIBILITY < 100.00 FT / 0.25 MI
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 0.0 0.0 0.1 0.0 0.1 0.1 0.0 0.1 0.1 0.1 0.1 0.2 0.1
20-22 LST 0.0 0.0 0.1 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.1 0.0 0.0
23-01 LST 0.1 0.2 0.3 0.0 0.0 0.2 0.0 0.0 0.2 0.0 0.2 0.2 0.1
02-04 LST 0.0 0.1 0.1 0.1 0.0 0.0 0.0 0.2 0.1 0.0 0.1 0.0 0.1
05-07 LST 0.1 0.0 0.1 0.1 0.1 0.0 0.1 0.2 0.3 0.0 0.2 0.1 0.1
08-10 LST 0.0 0.1 0.1 0.0 0.2 0.2 0.0 0.0 0.0 0.0 0.3 0.3 0.1
11-13 LST 0.1 0.1 0.0 0.0 0.0 0.1 0.2 0.1 0.0 0.1 0.1 0.0 0.1
14-16 LST 0.0 0.0 0.0 0.2 0.1 0.1 0.0 0.0 0.0 0.2 0.2 0.0 0.1
All Hours 0.0 0.1 0.1 0.0 0.1 0.1 0.0 0.1 0.1 0.0 0.2 0.1 0.1
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF CEILING & VISIBILITY < 200.00 FT / 0.50 MI
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 0.4 0.0 0.4 0.0 0.2 0.4 0.2 0.1 0.1 0.2 0.2 0.4 0.2
20-22 LST 0.9 0.1 0.2 0.1 0.0 0.2 0.1 0.0 0.0 0.0 1.2 0.6 0.3
23-01 LST 0.8 0.5 0.9 0.2 0.0 0.4 0.1 0.0 0.8 0.2 1.3 1.7 0.6
02-04 LST 1.3 0.7 1.3 0.9 0.8 0.6 0.5 0.9 1.1 0.6 1.6 1.6 1.0
05-07 LST 1.1 0.8 2.2 1.0 0.9 0.9 1.1 2.1 1.7 0.9 2.5 2.5 1.5
08-10 LST 0.8 1.1 0.7 0.3 0.3 0.3 0.0 0.0 0.4 0.2 1.6 2.0 0.6
11-13 LST 0.4 0.1 0.0 0.1 0.1 0.2 0.2 0.1 0.0 0.2 0.3 0.2 0.2
14-16 LST 0.1 0.2 0.1 0.3 0.4 0.7 0.1 0.0 0.1 0.2 0.2 0.2 0.2
All Hours 0.7 0.4 0.7 0.4 0.3 0.5 0.3 0.4 0.5 0.3 1.1 1.1 0.6
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF CEILING & VISIBILITY < 300.00 FT / 1.00 MI
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 1.4 0.6 0.9 0.4 0.6 0.6 0.3 0.4 0.2 0.7 1.6 2.5 0.8
20-22 LST 2.3 0.5 1.2 0.7 0.2 0.3 0.1 0.2 1.1 1.2 1.8 2.9 1.0
23-01 LST 2.2 2.0 1.3 0.7 0.9 0.8 1.0 0.4 2.0 1.5 2.0 3.5 1.5
02-04 LST 2.5 2.5 2.2 2.0 2.0 0.8 1.7 3.4 2.8 1.6 2.8 3.8 2.3
05-07 LST 3.3 2.5 3.8 2.4 2.3 1.8 2.2 4.8 3.8 2.3 3.8 5.5 3.2
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08-10 LST 1.9 1.9 1.6 1.7 1.2 0.8 0.7 0.2 1.8 0.7 2.5 3.4 1.5
11-13 LST 1.9 0.8 0.8 0.4 0.3 0.3 0.3 0.1 0.1 1.0 1.0 1.2 0.7
14-16 LST 1.3 0.7 0.8 0.7 0.9 0.9 0.3 0.1 0.2 0.3 0.7 1.9 0.7
All Hours 2.1 1.4 1.6 1.1 1.0 0.8 0.8 1.2 1.5 1.2 2.0 3.1 1.5
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF CEILING & VISIBILITY < 500.00 FT / 1.50 MI
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 4.1 2.0 2.3 0.9 0.7 0.7 0.3 0.6 0.6 1.5 2.8 5.5 1.8
20-22 LST 5.1 2.4 2.0 1.5 0.6 0.6 0.7 0.5 1.9 1.9 2.7 5.6 2.1
23-01 LST 4.2 5.6 2.6 3.2 1.1 1.2 1.5 1.6 3.5 2.5 3.2 6.1 3.0
02-04 LST 4.7 5.6 3.8 4.5 3.1 2.1 3.3 5.6 5.6 3.6 4.5 6.3 4.4
05-07 LST 5.5 4.4 5.4 5.1 3.6 2.3 3.9 6.2 5.5 3.8 5.1 8.0 4.9
08-10 LST 4.8 4.3 4.0 3.5 2.5 1.3 1.6 0.7 2.4 2.2 3.8 7.1 3.2
11-13 LST 4.4 2.8 2.0 1.2 0.8 0.6 0.4 0.2 1.1 1.5 2.6 5.1 1.9
14-16 LST 3.7 2.2 2.1 0.9 0.9 0.9 0.4 0.2 0.4 0.9 2.7 4.7 1.7
All Hours 4.6 3.7 3.0 2.6 1.7 1.2 1.5 1.9 2.6 2.2 3.4 6.0 2.9
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF CEILING & VISIBILITY < 800.00 FT / 2.00 MI
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 7.4 4.7 4.8 2.5 1.2 1.1 1.0 0.8 1.4 3.4 5.3 10.0 3.6
20-22 LST 8.2 6.1 3.9 3.8 1.9 1.0 1.3 1.3 3.1 3.4 5.6 10.6 4.2
23-01 LST 7.6 9.4 4.8 4.8 3.7 1.9 2.3 3.5 5.6 5.0 6.4 10.8 5.5
02-04 LST 8.3 9.2 7.2 7.8 5.4 3.7 4.3 7.0 8.6 6.7 7.5 11.4 7.2
05-07 LST 8.4 7.8 8.2 7.8 7.6 4.6 5.9 8.6 8.0 5.6 8.8 13.6 7.9
08-10 LST 8.3 8.2 6.7 6.4 4.8 2.6 3.6 2.4 6.1 6.3 7.6 12.3 6.3
11-13 LST 7.6 6.3 4.5 3.2 1.9 1.1 1.3 0.2 2.7 3.5 5.9 11.0 4.1
14-16 LST 8.0 6.0 3.7 2.2 1.5 1.2 1.0 0.5 1.2 2.7 5.6 9.5 3.6
All Hours 8.0 7.2 5.5 4.8 3.5 2.1 2.6 3.0 4.6 4.6 6.6 11.1 5.3
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF CEILING & VISIBILITY < 1000.00 FT / 2.00 MI
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 9.3 6.2 5.2 3.1 2.0 1.3 1.2 1.0 1.9 4.0 6.5 12.6 4.5
20-22 LST 8.8 8.6 4.8 4.7 2.9 1.3 1.5 1.4 3.7 4.8 7.3 11.7 5.1
23-01 LST 8.2 11.1 6.6 6.0 4.8 2.2 2.5 3.7 6.3 6.7 7.7 13.1 6.6
02-04 LST 9.7 11.1 9.0 9.0 6.7 4.6 4.8 7.5 10.2 8.2 9.5 14.8 8.7
05-07 LST 9.3 9.9 10.3 9.5 8.4 5.7 6.2 9.1 9.3 7.6 10.0 17.8 9.4
08-10 LST 9.6 10.5 9.5 8.5 6.8 3.7 4.9 3.8 7.5 7.9 9.5 15.9 8.2
11-13 LST 8.8 7.9 5.7 5.2 3.1 1.8 1.7 0.7 3.6 4.5 8.9 15.1 5.6
14-16 LST 9.8 7.7 4.8 3.0 3.1 1.4 1.2 0.7 1.5 3.5 7.5 12.8 4.7
All Hours 9.2 9.1 7.0 6.1 4.7 2.7 3.0 3.5 5.5 5.9 8.4 14.2 6.6
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF CEILING & VISIBILITY < 1500.00 FT / 3.00 MI
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 11.5 11.8 7.7 4.7 3.9 2.0 1.8 2.2 3.5 5.0 10.1 16.9 6.7
20-22 LST 11.4 12.2 8.4 6.1 5.8 2.1 2.1 2.5 5.4 6.2 10.4 17.8 7.5
23-01 LST 10.4 14.7 12.0 8.2 7.2 3.5 3.8 5.0 9.0 8.7 10.9 19.3 9.4
02-04 LST 14.2 15.8 15.0 11.9 9.7 6.7 6.0 9.8 14.7 11.1 11.7 21.3 12.3
05-07 LST 13.2 14.1 16.9 13.2 11.9 6.6 9.2 11.7 13.6 11.8 13.6 23.7 13.3
08-10 LST 13.0 16.0 15.7 12.4 10.0 5.3 6.8 6.2 10.5 11.5 14.3 25.2 12.2
11-13 LST 12.3 13.4 10.7 7.6 6.4 2.8 3.5 1.7 6.3 8.0 11.7 23.3 8.9
14-16 LST 12.9 11.6 8.2 5.5 6.1 2.0 2.2 1.7 2.5 5.8 10.8 18.7 7.3
All Hours 12.4 13.7 11.8 8.7 7.6 3.9 4.4 5.1 8.2 8.5 11.7 20.8 9.7
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
% FREQUENCY OF CEILING & VISIBILITY < 3000.00 FT / 3.00 MI
HOURS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
17-19 LST 20.1 21.9 15.9 10.2 7.7 4.7 2.8 3.4 5.5 7.8 16.8 32.8 12.4
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20-22 LST 20.2 21.8 13.9 12.0 9.2 4.4 3.1 3.1 7.0 8.8 15.5 32.2 12.5
23-01 LST 21.4 22.8 17.6 13.9 11.0 5.4 5.6 5.5 12.2 11.7 16.2 32.6 14.6
02-04 LST 25.8 25.3 21.0 18.9 13.1 8.9 8.5 11.7 18.4 15.5 17.7 37.2 18.4
05-07 LST 25.5 25.9 24.1 18.7 16.0 10.5 11.0 13.5 18.0 16.0 20.5 38.6 19.8
08-10 LST 25.6 28.2 23.9 18.3 14.6 10.1 9.2 10.1 15.1 16.0 22.1 40.9 19.5
11-13 LST 24.6 27.7 22.4 14.7 12.2 8.3 6.4 5.8 12.1 13.7 20.9 40.2 17.3
14-16 LST 21.7 24.6 17.2 11.2 12.0 5.1 4.2 3.5 6.9 9.8 19.5 35.2 14.2
All Hours 23.1 24.8 19.5 14.7 12.0 7.2 6.3 7.1 11.9 12.4 18.6 36.2 16.1
* = No Data T = Trace # = Occurrences rounded to 0 Go to the top of the page
OPR: 14 WS/WXED
DSN: 673-9004
Comm: 828-271-4291 Last Updated: 2016/11/03 Version: 2.6.1.2
1/25/2018
FA440718R0002
File details come from the government source that posted it.