WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS53 KLOT 010800
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CHICAGO-OHARE
MONTH: OCTOBER
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 76 63 70 10 0 5 0.00 0.0 0 8.3 15 60 M M 8 22 110
2 85 59 72 12 0 7 0.00 0.0 0 6.3 12 120 M M 6 15 200
3 89 64 77 18 0 12 0.00 0.0 0 5.1 14 220 M M 2 18 220
4 88 68 78 19 0 13 0.00 0.0 0 8.7 17 210 M M 1 26 230
5 84 65 75 17 0 10 0.00 0.0 0 11.1 23 190 M M 2 31 190
6 83 63 73 15 0 8 0.40 0.0 0 8.7 21 10 M M 5 138 26 10
7 66 53 60 2 5 0 0.95 0.0 0 9.4 18 10 M M 6 13 26 10
8 64 48 56 -1 9 0 0.00 0.0 0 8.2 17 60 M M 3 23 60
9 64 45 55 -2 10 0 0.00 0.0 0 5.7 13 110 M M 1 17 100
10 67 50 59 3 6 0 0.01 0.0 0 8.2 17 210 M M 6 25 210
11 66 47 57 1 8 0 0.00 0.0 0 9.7 17 40 M M 5 24 30
12 69 48 59 3 6 0 0.00 0.0 0 6.0 13 80 M M 5 19 40
13 68 55 62 7 3 0 0.00 0.0 0 5.4 10 30 M M 9 13 90
14 69 55 62 7 3 0 0.00 0.0 0 10.4 20 30 M M 8 1 28 30
15 61 55 58 4 7 0 0.19 0.0 0 10.1 16 40 M M 10 1 23 50
16 69 56 63 9 2 0 0.00 0.0 0 6.8 14 120 M M 5 18 110
17 74 57 66 12 0 1 0.00 0.0 0 11.0 20 200 M M 7 28 210
18 73 58 66 13 0 1 0.57 0.0 0 7.3 16 220 M M 9 13 22 280
19 59 46 53 0 12 0 0.38 0.0 0 11.5 24 310 M M 7 1 37 310
20 66 41 54 2 11 0 0.01 0.0 0 11.5 25 220 M M 3 36 220
21 55 46 51 -1 14 0 0.02 0.0 0 13.9 25 250 M M 7 41 270
22 50 45 48 -4 17 0 0.00 0.0 0 13.4 24 260 M M 9 32 260
23 53 38 46 -5 19 0 0.00 0.0 0 8.1 16 320 M M 3 25 330
24 54 34 44 -7 21 0 0.00 0.0 0 4.3 12 100 M M 2 15 100
25 56 36 46 -4 19 0 0.00 0.0 0 5.2 13 70 M M 7 17 70
26 59 44 52 2 13 0 0.00 0.0 0 9.3 18 80 M M 3 26 90
27 57 45 51 1 14 0 0.00 0.0 0 10.8 21 110 M M 2 27 110
28 58 47 53 4 12 0 0.00 0.0 0 12.1 25 110 M M 6 33 110
29 57 44 51 2 14 0 0.00 0.0 0 16.3 26 40 M M 6 37 60
30 57 41 49 1 16 0 0.00 0.0 0 8.3 18 30 M M 4 26 30
31 53 40 47 -1 18 0 0.07 0.0 0 7.3 15 250 M M 6 22 290
================================================================================
SM 2049 1556 259 57 2.60 0.0 278.4 M 163
================================================================================
AV 66.1 50.2 9.0 FASTST M M 5 MAX(MPH)
MISC ----> 26 40 41 270
================================================================================
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: OCTOBER
YEAR: 2025
LATITUDE: 41 58 N
LONGITUDE: 87 54 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 58.1 TOTAL FOR MONTH: 2.60 1 = FOG OR MIST
DPTR FM NORMAL: 4.1 DPTR FM NORMAL: -0.83 2 = FOG REDUCING VISIBILITY
HIGHEST: 89 ON 3 GRTST 24HR 1.35 ON 6- 7 TO 1/4 MILE OR LESS
LOWEST: 34 ON 24 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: 9
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 259 CLEAR (SCALE 0-3) 10
DPTR FM NORMAL -96 PTCLDY (SCALE 4-7) 16
TOTAL FM JUL 1 296 CLOUDY (SCALE 8-10) 5
DPTR FM NORMAL -144
[CDD (BASE 65) ]
TOTAL THIS MO. 57
DPTR FM NORMAL 42 [PRESSURE DATA]
TOTAL FM JAN 1 1215 HIGHEST SLP M ON M
DPTR FM NORMAL 212 LOWEST SLP 29.48 ON 19
[REMARKS]
#FINAL-10-25#