


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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258 CXUS53 KLOT 140800 CF6ORD PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: CHICAGO-OHARE MONTH: JUNE 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 70 46 58 -8 7 0 0.00 0.0 0 4.5 14 90 M M 5 18 90 2 84 50 67 1 0 2 0.00 0.0 0 7.3 15 190 M M 7 23 240 3 89 68 79 12 0 14 0.09 0.0 0 13.9 30 210 M M 8 38 46 180 4 71 55 63 -4 2 0 0.54 0.0 0 8.8 22 30 M M 9 18 27 20 5 72 54 63 -4 2 0 0.00 0.0 0 9.1 20 40 M M 6 18 25 30 6 77 57 67 -1 0 2 0.00 0.0 0 8.3 16 30 M M 6 8 30 40 7 77 54 66 -2 0 1 0.02 0.0 0 7.7 14 20 M M 6 8 22 50 8 81 59 70 2 0 5 0.10 0.0 0 7.4 20 210 M M 5 138 29 190 9 71 55 63 -6 2 0 0.00 0.0 0 11.2 23 260 M M 4 35 290 10 78 55 67 -2 0 2 0.00 0.0 0 9.5 20 260 M M 4 27 280 11 92 64 78 9 0 13 0.00 0.0 0 11.4 23 230 M M 4 31 250 12 79 62 71 1 0 6 0.00 0.0 0 9.1 17 30 M M 9 21 360 13 71 59 65 -5 0 0 0.14 0.0 0 7.3 15 30 M M 10 18 18 30 ================================================================================ SM 1012 738 13 45 0.89 0.0 115.5 M 83 ================================================================================ AV 77.8 56.8 8.9 FASTST M M 6 MAX(MPH) MISC ----> 30 210 46 180 ================================================================================ 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: JUNE YEAR: 2025 LATITUDE: 41 58 N LONGITUDE: 87 54 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 67.3 TOTAL FOR MONTH: 0.89 1 = FOG OR MIST DPTR FM NORMAL: -0.7 DPTR FM NORMAL: -0.95 2 = FOG REDUCING VISIBILITY HIGHEST: 92 ON 11 GRTST 24HR 0.63 ON 3- 4 TO 1/4 MILE OR LESS LOWEST: 46 ON 1 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: 5 MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 3 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 13 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL -10 PTCLDY (SCALE 4-7) 9 TOTAL FM JUL 1 5441 CLOUDY (SCALE 8-10) 4 DPTR FM NORMAL -525 [CDD (BASE 65) ] TOTAL THIS MO. 45 DPTR FM NORMAL -18 [PRESSURE DATA] TOTAL FM JAN 1 79 HIGHEST SLP M ON M DPTR FM NORMAL -54 LOWEST SLP 29.63 ON 9 [REMARKS]