WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS53 KLOT 070800
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CHICAGO-OHARE
MONTH: DECEMBER
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 30 17 24 -11 41 0 0.13 1.4 6 4.4 12 160 M M 9 1 17 140
2 24 17 21 -13 44 0 T 0.1 7 9.2 18 200 M M 8 18 26 190
3 30 16 23 -11 42 0 0.03 0.4 6 11.7 22 340 M M 9 1 31 200
4 21 7 14 -20 51 0 0.00 0.0 5 5.4 17 340 M M 1 22 340
5 30 9 20 -13 45 0 0.00 0.0 5 11.5 21 210 M M 7 33 230
6 32 26 29 -4 36 0 0.01 0.2 4 4.3 12 180 M M 10 1 18 200
================================================================================
SM 167 92 259 0 0.17 2.1 46.5 M 44
================================================================================
AV 27.8 15.3 7.7 FASTST M M 7 MAX(MPH)
MISC ----> 22 340 33 230
================================================================================
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: DECEMBER
YEAR: 2025
LATITUDE: 41 58 N
LONGITUDE: 87 54 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 21.6 TOTAL FOR MONTH: 0.17 1 = FOG OR MIST
DPTR FM NORMAL: -12.2 DPTR FM NORMAL: -0.29 2 = FOG REDUCING VISIBILITY
HIGHEST: 32 ON 6 GRTST 24HR 0.13 ON 1- 1 TO 1/4 MILE OR LESS
LOWEST: 7 ON 4 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 2.4 INCHES 5 = HAIL
GRTST 24HR 1.4 ON 1- 1 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 7 ON 2 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: 6 0.01 INCH OR MORE: 3
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1
MIN 32 OR BELOW: 6 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 259 CLEAR (SCALE 0-3) 1
DPTR FM NORMAL 73 PTCLDY (SCALE 4-7) 2
TOTAL FM JUL 1 1228 CLOUDY (SCALE 8-10) 3
DPTR FM NORMAL -109
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 1215 HIGHEST SLP M ON M
DPTR FM NORMAL 212 LOWEST SLP 29.78 ON 5
[REMARKS]