WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS53 KLOT 170800
CF6MDW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CHICAGO-MIDWAY
MONTH: AUGUST
YEAR: 2025
LATITUDE: 41 46 N
LONGITUDE: 87 45 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 77 64 71 -5 0 6 0.00 M M 8.5 20 80 M M 3 8 28 70
2 79 62 71 -5 0 6 0.00 M M 6.8 15 50 M M 5 8 22 90
3 80 63 72 -4 0 7 0.00 M M 6.6 16 80 M M 1 22 70
4 82 68 75 -1 0 10 0.00 M M 8.3 16 80 M M 7 22 80
5 84 67 76 0 0 11 0.00 M M 7.7 15 60 M M 1 23 100
6 89 69 79 3 0 14 0.00 M M 5.5 14 100 M M 4 18 19 160
7 91 75 83 7 0 18 0.00 M M 7.9 16 220 M M 7 26 170
8 93 76 85 9 0 20 0.00 M M 11.2 20 200 M M 4 30 180
9 94 78 86 11 0 21 0.00 M M 13.2 24 210 M M 2 34 200
10 92 79 86 11 0 21 T M M 11.2 21 220 M M 7 32 190
11 89 75 82 7 0 17 0.17 M M 10.2 24 320 M M 7 13 37 340
12 88 72 80 5 0 15 0.18 M M 7.0 23 180 M M 7 13 31 190
13 85 71 78 3 0 13 0.00 M M 6.6 14 80 M M 3 2 20 80
14 84 68 76 1 0 11 0.00 M M 5.5 13 90 M M 1 22 100
15 92 72 82 7 0 17 0.00 M M 6.2 14 210 M M 6 22 200
16 96 75 86 11 0 21 0.39 M M 7.7 25 360 M M 7 13 32 10
================================================================================
SM 1395 1134 0 228 0.74 M 130.1 M 72
================================================================================
AV 87.2 70.9 8.1 FASTST M M 5 MAX(MPH)
MISC ----> 25 360 37 340
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: CHICAGO-MIDWAY
MONTH: AUGUST
YEAR: 2025
LATITUDE: 41 46 N
LONGITUDE: 87 45 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 79.0 TOTAL FOR MONTH: 0.74 1 = FOG OR MIST
DPTR FM NORMAL: 3.5 DPTR FM NORMAL: -1.32 2 = FOG REDUCING VISIBILITY
HIGHEST: 96 ON 16 GRTST 24HR 0.39 ON 16-16 TO 1/4 MILE OR LESS
LOWEST: 62 ON 2 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: M 5 = HAIL
GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: M ON M 7 = DUSTSTORM OR SANDSTORM:
VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
[NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW
X = TORNADO
MAX 32 OR BELOW: 0 0.01 INCH OR MORE: 3
MAX 90 OR ABOVE: 6 0.10 INCH OR MORE: 3
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 5
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 11
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL -1
[CDD (BASE 65) ]
TOTAL THIS MO. 228
DPTR FM NORMAL 61 [PRESSURE DATA]
TOTAL FM JAN 1 1047 HIGHEST SLP M ON M
DPTR FM NORMAL 223 LOWEST SLP 29.83 ON 12
[REMARKS]