WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
299
CXUS53 KLOT 240800
CF6MDW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CHICAGO-MIDWAY
MONTH: MAY
YEAR: 2025
LATITUDE: 41 46 N
LONGITUDE: 87 45 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
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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
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1 73 52 63 7 2 0 0.30 M M 11.9 25 240 M M 9 13 38 200
2 60 45 53 -4 12 0 0.01 M M 8.4 15 60 M M 9 1 20 100
3 55 44 50 -7 15 0 0.00 M M 13.6 22 10 M M 7 30 20
4 57 46 52 -5 13 0 0.12 M M 13.5 22 60 M M 9 1 31 60
5 63 47 55 -3 10 0 0.02 M M 8.1 23 60 M M 8 1 28 50
6 77 46 62 4 3 0 0.00 M M 8.1 20 290 M M 5 27 310
7 74 49 62 4 3 0 0.00 M M 9.8 23 360 M M 7 28 10
8 59 45 52 -7 13 0 0.00 M M 15.0 25 50 M M 5 33 60
9 65 40 53 -6 12 0 0.00 M M 6.6 13 40 M M 3 16 70
10 77 47 62 2 3 0 0.00 M M 11.7 26 20 M M 2 34 360
11 72 45 59 -1 6 0 0.00 M M 7.9 14 40 M M 1 20 60
12 81 53 67 7 0 2 0.01 M M 6.4 16 80 M M 6 21 80
13 78 62 70 10 0 5 0.00 M M 7.9 18 80 M M 7 23 80
14 80 61 71 10 0 6 0.00 M M 6.7 15 90 M M 6 20 100
15 95 62 79 18 0 14 0.14 M M 13.2 35 190 M M 4 13 51 200
16 89 63 76 14 0 11 T M M 16.1 41 200 M M 3 7 60 200
17 72 55 64 2 1 0 T M M 16.4 28 270 M M 8 38 270
18 62 48 55 -7 10 0 0.00 M M 9.4 15 60 M M 4 23 90
19 57 45 51 -12 14 0 0.00 M M 12.6 21 70 M M 9 29 60
20 58 50 54 -9 11 0 0.50 M M 14.4 31 100 M M 10 1 42 110
21 54 50 52 -11 13 0 0.06 M M 9.2 16 300 M M 10 1 23 320
22 58 47 53 -11 12 0 T M M 7.9 18 350 M M 8 22 340
23 64 43 54 -10 11 0 0.00 M M 6.3 16 100 M M 3 24 100
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SM 1580 1145 164 38 1.16 M 241.1 M 143
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AV 68.7 49.8 10.5 FASTST M M 6 MAX(MPH)
MISC ----> 41 200 60 200
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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: MAY
YEAR: 2025
LATITUDE: 41 46 N
LONGITUDE: 87 45 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 59.2 TOTAL FOR MONTH: 1.16 1 = FOG OR MIST
DPTR FM NORMAL: -0.9 DPTR FM NORMAL: -1.91 2 = FOG REDUCING VISIBILITY
HIGHEST: 95 ON 15 GRTST 24HR 0.50 ON 20-20 TO 1/4 MILE OR LESS
LOWEST: 40 ON 9 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: 8
MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 4
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 164 CLEAR (SCALE 0-3) 2
DPTR FM NORMAL 12 PTCLDY (SCALE 4-7) 14
TOTAL FM JUL 1 5079 CLOUDY (SCALE 8-10) 7
DPTR FM NORMAL -623
[CDD (BASE 65) ]
TOTAL THIS MO. 38
DPTR FM NORMAL -4 [PRESSURE DATA]
TOTAL FM JAN 1 51 HIGHEST SLP M ON M
DPTR FM NORMAL -2 LOWEST SLP 29.29 ON 15
[REMARKS]