


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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069 CXUS53 KDVN 120631 CF6IOW PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: IOWA CITY IA MONTH: SEPTEMBER YEAR: 2025 LATITUDE: 41 37 N LONGITUDE: 91 33 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 79 58 69 -2 0 4 0.00 M M 3.3 12 130 M M 4 16 120 2 81 58 70 0 0 5 0.00 M M 2.3 10 280 M M 3 17 260 3 73 52 63 -7 2 0 0.04 M M 8.1 21 320 M M 4 1 28 330 4 70 45 58 -12 7 0 T M M 7.8 16 270 M M 2 22 220 5 68 48 58 -12 7 0 0.00 M M 10.8 24 290 M M 3 36 310 6 69 43 56 -13 9 0 0.00 M M 6.7 18 270 M M 3 24 270 7 72 40 56 -13 9 0 0.00 M M 3.2 12 260 M M 1 15 260 8 77 47 62 -7 3 0 0.00 M M 7.4 18 180 M M 2 28 190 9 80 50 65 -3 0 0 0.00 M M 5.8 14 160 M M 0 19 170 10 84 53 69 1 0 4 0.00 M M 1.1 8 150 M M 1 12 160 11 87 59 73 5 0 8 0.00 M M 3.5 10 110 M M 1 15 100 ================================================================================ SM 840 553 37 21 0.04 M 60.0 M 24 ================================================================================ AV 76.4 50.3 5.5 FASTST M M 2 MAX(MPH) MISC ----> 24 290 36 310 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: IOWA CITY IA MONTH: SEPTEMBER YEAR: 2025 LATITUDE: 41 37 N LONGITUDE: 91 33 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 63.3 TOTAL FOR MONTH: 0.04 1 = FOG OR MIST DPTR FM NORMAL: -6.0 DPTR FM NORMAL: -1.26 2 = FOG REDUCING VISIBILITY HIGHEST: 87 ON 11 GRTST 24HR 0.04 ON 3- 3 TO 1/4 MILE OR LESS LOWEST: 40 ON 7 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: 1 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 37 CLEAR (SCALE 0-3) 9 DPTR FM NORMAL 25 PTCLDY (SCALE 4-7) 2 TOTAL FM JUL 1 48 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL 30 [CDD (BASE 65) ] TOTAL THIS MO. 21 DPTR FM NORMAL -36 [PRESSURE DATA] TOTAL FM JAN 1 1033 HIGHEST SLP M ON M DPTR FM NORMAL 57 LOWEST SLP 29.65 ON 4 [REMARKS]