WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS53 KLOT 100800
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CHICAGO-OHARE
MONTH: SEPTEMBER
YEAR: 2025
LATITUDE: 41 58 N
LONGITUDE: 87 54 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 58 68 -3 0 3 0.00 0.0 0 4.9 13 80 M M 1 8 21 50
2 81 59 70 -1 0 5 0.00 0.0 0 4.1 13 80 M M 2 18 90
3 72 55 64 -7 1 0 0.01 0.0 0 10.3 22 330 M M 9 30 260
4 66 48 57 -13 8 0 0.00 0.0 0 9.0 20 230 M M 3 25 220
5 67 53 60 -10 5 0 T 0.0 0 12.9 24 280 M M 6 34 270
6 68 48 58 -12 7 0 0.00 0.0 0 8.5 20 250 M M 4 28 250
7 69 47 58 -12 7 0 0.00 0.0 0 5.9 15 320 M M 3 26 290
8 71 50 61 -8 4 0 0.00 0.0 0 6.1 12 180 M M 2 18 170
9 76 53 65 -4 0 0 0.00 0.0 0 5.6 12 160 M M 7 17 160
================================================================================
SM 647 471 32 8 0.01 0.0 67.3 M 37
================================================================================
AV 71.9 52.3 7.5 FASTST M M 4 MAX(MPH)
MISC ----> 24 280 34 270
================================================================================
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: SEPTEMBER
YEAR: 2025
LATITUDE: 41 58 N
LONGITUDE: 87 54 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 62.1 TOTAL FOR MONTH: 0.01 1 = FOG OR MIST
DPTR FM NORMAL: -8.0 DPTR FM NORMAL: -1.01 2 = FOG REDUCING VISIBILITY
HIGHEST: 81 ON 2 GRTST 24HR 0.01 ON 3- 3 TO 1/4 MILE OR LESS
LOWEST: 47 ON 7 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 0.0 INCH 5 = HAIL
GRTST 24HR 0.0 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: 1
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0
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. 32 CLEAR (SCALE 0-3) 4
DPTR FM NORMAL 26 PTCLDY (SCALE 4-7) 4
TOTAL FM JUL 1 37 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL 25
[CDD (BASE 65) ]
TOTAL THIS MO. 8
DPTR FM NORMAL -45 [PRESSURE DATA]
TOTAL FM JAN 1 1000 HIGHEST SLP M ON M
DPTR FM NORMAL 75 LOWEST SLP 29.60 ON 5
[REMARKS]