WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
366
CXUS53 KLOT 260800
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CHICAGO-OHARE
MONTH: APRIL
YEAR: 2025
LATITUDE: 41 58 N
LONGITUDE: 87 54 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 45 33 39 -5 26 0 0.00 0.0 0 13.1 29 110 M M 7 38 110
2 71 40 56 11 9 0 1.25 0.0 0 14.4 28 120 M M 10 13 39 210
3 56 40 48 3 17 0 0.00 0.0 0 12.1 29 250 M M 7 43 250
4 49 38 44 -2 21 0 0.06 0.0 0 11.4 21 10 M M 8 1 26 80
5 54 39 47 1 18 0 0.10 0.0 0 10.9 20 360 M M 9 1 24 360
6 50 35 43 -3 22 0 0.00 0.0 0 8.2 16 350 M M 5 22 360
7 46 27 37 -9 28 0 T T 0 15.7 31 30 M M 6 39 30
8 45 25 35 -12 30 0 0.00 0.0 0 7.9 16 100 M M 3 20 90
9 44 34 39 -8 26 0 0.09 T 0 10.2 18 150 M M 9 14 26 180
10 43 38 41 -7 24 0 0.00 0.0 0 10.4 17 30 M M 10 18 23 40
11 52 33 43 -5 22 0 0.00 0.0 0 8.1 18 40 M M 3 1 28 40
12 62 36 49 1 16 0 0.00 0.0 0 6.3 17 120 M M 4 23 120
13 64 52 58 9 7 0 T 0.0 0 12.5 25 150 M M 9 36 150
14 64 48 56 7 9 0 0.00 0.0 0 14.9 29 260 M M 5 44 250
15 56 38 47 -2 18 0 T 0.0 0 14.4 30 300 M M 6 1 42 290
16 51 35 43 -7 22 0 0.00 0.0 0 7.3 15 80 M M 4 20 80
17 64 39 52 2 13 0 0.05 0.0 0 14.3 25 190 M M 9 1 38 180
18 76 60 68 18 0 3 0.06 0.0 0 16.1 26 220 M M 9 13 38 210
19 60 44 52 1 13 0 T 0.0 0 6.9 18 260 M M 9 1 30 240
20 59 45 52 1 13 0 0.35 0.0 0 11.6 25 110 M M 7 13 33 110
21 61 45 53 1 12 0 0.03 0.0 0 15.1 31 250 M M 8 1 46 220
22 74 41 58 6 7 0 T 0.0 0 7.8 22 200 M M M 30 210
23 76 56 66 14 0 1 0.14 0.0 0 6.0 28 230 M M M 1 39 230
24 75 51 63 10 2 0 0.00 0.0 0 8.5 18 30 M M M 23 30
25 59 47 53 0 12 0 0.53 0.0 0 13.6 25 360 M M 9 13 33 20
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SM 1456 1019 387 4 2.66 T 277.7 M 156
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AV 58.2 40.8 11.1 FASTST M M 7 MAX(MPH)
MISC ----> # 31 30 46 220
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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-OHARE
MONTH: APRIL
YEAR: 2025
LATITUDE: 41 58 N
LONGITUDE: 87 54 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 49.5 TOTAL FOR MONTH: 2.66 1 = FOG OR MIST
DPTR FM NORMAL: 0.8 DPTR FM NORMAL: -0.36 2 = FOG REDUCING VISIBILITY
HIGHEST: 76 ON 23,18 GRTST 24HR 1.25 ON 2- 2 TO 1/4 MILE OR LESS
LOWEST: 25 ON 8 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: T 5 = HAIL
GRTST 24HR T ON 7- 7 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 0 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: 10
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5
MIN 32 OR BELOW: 2 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 387 CLEAR (SCALE 0-3) 1
DPTR FM NORMAL -25 PTCLDY (SCALE 4-7) 11
TOTAL FM JUL 1 5152 CLOUDY (SCALE 8-10) 13
DPTR FM NORMAL -537
[CDD (BASE 65) ]
TOTAL THIS MO. 4
DPTR FM NORMAL 4 [PRESSURE DATA]
TOTAL FM JAN 1 4 HIGHEST SLP M ON M
DPTR FM NORMAL 2 LOWEST SLP 29.38 ON 2
[REMARKS]