


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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293 CDUS43 KDMX 270633 CLIOTM CLIMATE REPORT NATIONAL WEATHER SERVICE DES MOINES IA 133 AM CDT WED AUG 27 2025 ................................... ...THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 26 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1920 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 75 210 PM 102 1936 83 -8 94 1983 MINIMUM 44R 532 AM 46 1934 60 -16 74 2015 AVERAGE 60 72 -12 84 PRECIPITATION (IN) YESTERDAY 0.00 2.83 1944 0.15 -0.15 0.00 MONTH TO DATE 2.16 3.69 -1.53 1.14 SINCE JUN 1 11.10 12.94 -1.84 10.30 SINCE JAN 1 16.57 26.38 -9.81 27.11 DEGREE DAYS HEATING YESTERDAY 5 0 5 0 MONTH TO DATE 11 0 11 8 SINCE JUN 1 18 19 -1 9 SINCE JUL 1 11 2 9 8 COOLING YESTERDAY 0 7 -7 19 MONTH TO DATE 201 224 -23 169 SINCE JUN 1 802 754 48 701 SINCE JAN 1 853 832 21 759 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 3.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 1200 AM LOWEST 37 300 PM AVERAGE 69 .......................................................... THE OTTUMWA IA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 83 100 1936 MINIMUM TEMPERATURE (F) 60 47 1986 SUNRISE AND SUNSET AUGUST 27 2025........SUNRISE 632 AM CDT SUNSET 750 PM CDT AUGUST 28 2025........SUNRISE 633 AM CDT SUNSET 748 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$