


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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852 CXUS53 KLOT 120800 CF6ORD PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: CHICAGO-OHARE MONTH: JULY 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 87 70 79 4 0 14 0.00 0.0 0 7.3 16 330 M M 2 23 330 2 91 71 81 6 0 16 0.00 0.0 0 6.9 15 250 M M 5 27 240 3 95 72 84 9 0 19 0.00 0.0 0 4.7 13 80 M M 3 25 70 4 92 74 83 8 0 18 0.05 0.0 0 7.3 21 310 M M 7 38 28 310 5 94 76 85 10 0 20 0.00 0.0 0 11.4 22 200 M M 4 32 190 6 85 66 76 1 0 11 0.61 0.0 0 12.1 23 10 M M 9 13 28 20 7 83 65 74 -1 0 9 0.00 0.0 0 7.9 22 360 M M 6 27 360 8 84 69 77 2 0 12 0.07 0.0 0 6.5 16 290 M M 8 23 280 9 85 69 77 1 0 12 0.01 0.0 0 7.3 16 20 M M 6 23 80 10 85 67 76 0 0 11 1.20 0.0 0 6.6 23 260 M M 8 13 35 250 11 90 70 80 4 0 15 0.99 0.0 0 7.5 26 290 M M 9 13 36 300 ================================================================================ SM 971 769 0 157 2.93 0.0 85.5 M 67 ================================================================================ AV 88.3 69.9 7.8 FASTST M M 6 MAX(MPH) MISC ----> 26 290 36 300 ================================================================================ 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: JULY YEAR: 2025 LATITUDE: 41 58 N LONGITUDE: 87 54 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 79.1 TOTAL FOR MONTH: 2.93 1 = FOG OR MIST DPTR FM NORMAL: 3.8 DPTR FM NORMAL: 1.69 2 = FOG REDUCING VISIBILITY HIGHEST: 95 ON 3 GRTST 24HR 2.07 ON 10-11 TO 1/4 MILE OR LESS LOWEST: 65 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: 6 MAX 90 OR ABOVE: 5 0.10 INCH OR MORE: 3 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 2 DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 7 TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 2 DPTR FM NORMAL 0 [CDD (BASE 65) ] TOTAL THIS MO. 157 DPTR FM NORMAL 45 [PRESSURE DATA] TOTAL FM JAN 1 487 HIGHEST SLP M ON M DPTR FM NORMAL 106 LOWEST SLP 29.79 ON 11 [REMARKS]