CXUS53 KLOT 150800 CF6MDW PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: CHICAGO-MIDWAY MONTH: DECEMBER YEAR: 2025 LATITUDE: 41 46 N LONGITUDE: 87 45 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 19 25 -11 40 0 0.11 M 5 5.0 13 150 M M 9 1 27 150 2 25 17 21 -15 44 0 T M 5 9.6 20 220 M M 9 1 27 210 3 30 18 24 -11 41 0 T M 4 13.4 23 330 M M 10 168 30 200 4 22 9 16 -19 49 0 0.00 M 4 7.0 17 340 M M 2 23 310 5 30 10 20 -14 45 0 T M 4 11.6 22 210 M M 7 33 190 6 33 27 30 -4 35 0 T M 4 5.7 14 250 M M 10 1 19 240 7 33 19 26 -8 39 0 0.22 M 7 9.8 23 10 M M 9 1 30 360 8 27 18 23 -11 42 0 T M 7 7.3 15 180 M M 8 22 160 9 37 22 30 -3 35 0 0.08 M 6 14.0 24 210 M M 9 1 33 210 10 40 27 34 1 31 0 0.02 M 1 16.8 28 330 M M 10 18 36 350 11 28 25 27 -5 38 0 T M M 5.7 17 330 M M 10 8 23 340 12 32 20 26 -6 39 0 T M M 7.2 20 270 M M 7 18 31 250 13 27 3 15 -17 50 0 T M M 12.9 23 270 M M 8 1 32 270 14 11 -1 5 -27 60 0 0.00 M M 12.5 23 310 M M 3 30 290 ================================================================================ SM 405 233 588 0 0.43 M 138.5 M 111 ================================================================================ AV 28.9 16.6 9.9 FASTST M M 8 MAX(MPH) MISC ----> 28 330 36 350 ================================================================================ 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-MIDWAY MONTH: DECEMBER YEAR: 2025 LATITUDE: 41 46 N LONGITUDE: 87 45 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 22.8 TOTAL FOR MONTH: 0.43 1 = FOG OR MIST DPTR FM NORMAL: -10.9 DPTR FM NORMAL: -0.44 2 = FOG REDUCING VISIBILITY HIGHEST: 40 ON 10 GRTST 24HR 0.22 ON 6- 7 TO 1/4 MILE OR LESS LOWEST: -1 ON 14 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: 7 ON 8, 7 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: 10 0.01 INCH OR MORE: 4 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 2 MIN 32 OR BELOW: 14 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 1 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 588 CLEAR (SCALE 0-3) 2 DPTR FM NORMAL 150 PTCLDY (SCALE 4-7) 3 TOTAL FM JUL 1 1497 CLOUDY (SCALE 8-10) 9 DPTR FM NORMAL -25 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 1410 HIGHEST SLP M ON M DPTR FM NORMAL 298 LOWEST SLP 29.30 ON 10 [REMARKS]