


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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242 CXUS53 KLOT 120800 CF6DPA PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: DUPAGE AIRPORT MONTH: MAY YEAR: 2025 LATITUDE: 41 55 N LONGITUDE: 88 15 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 68 52 60 6 5 0 0.54 M M 9.1 25 230 M M 10 18 34 230 2 60 46 53 -2 12 0 0.02 M M 6.7 16 70 M M 9 1 21 70 3 59 43 51 -4 14 0 0.00 M M 11.1 21 360 M M 3 30 20 4 63 44 54 -1 11 0 0.15 M M 11.4 22 20 M M 3 29 10 5 62 45 54 -2 11 0 0.00 M M 8.0 18 50 M M 7 1 26 40 6 77 42 60 4 5 0 0.00 M M 6.2 18 310 M M 2 1 27 280 7 77 50 64 8 1 0 0.00 M M 9.8 21 30 M M 0 1 30 60 8 61 37 49 -8 16 0 0.00 M M 14.6 24 40 M M 3 32 40 9 69 34 52 -5 13 0 0.00 M M 4.9 14 70 M M 0 20 70 10 75 40 58 0 7 0 0.00 M M 9.2 21 70 M M 1 26 80 11 74 36 55 -3 10 0 0.00 M M 8.1 17 60 M M 0 26 50 ================================================================================ SM 745 469 105 0 0.71 M 99.1 M 38 ================================================================================ AV 67.7 42.6 9.0 FASTST M M 3 MAX(MPH) MISC ----> 25 230 34 230 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: DUPAGE AIRPORT MONTH: MAY YEAR: 2025 LATITUDE: 41 55 N LONGITUDE: 88 15 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 55.2 TOTAL FOR MONTH: 0.71 1 = FOG OR MIST DPTR FM NORMAL: -0.9 DPTR FM NORMAL: -0.91 2 = FOG REDUCING VISIBILITY HIGHEST: 77 ON 7, 6 GRTST 24HR 0.56 ON 30- 1 TO 1/4 MILE OR LESS LOWEST: 34 ON 9 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: M 5 = HAIL GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: M ON M 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: 3 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 2 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. 105 CLEAR (SCALE 0-3) 6 DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 3 TOTAL FM JUL 1 5529 CLOUDY (SCALE 8-10) 2 DPTR FM NORMAL -695 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL -7 [PRESSURE DATA] TOTAL FM JAN 1 6 HIGHEST SLP M ON M DPTR FM NORMAL -7 LOWEST SLP 29.61 ON 1 [REMARKS]