


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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378 CDUS43 KDMX 170641 CLIOTM CLIMATE REPORT NATIONAL WEATHER SERVICE DES MOINES IA 141 AM CDT THU JUL 17 2025 ................................... ...THE OTTUMWA IA CLIMATE SUMMARY FOR JULY 16 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 85 307 PM 109 1936 86 -1 82 MINIMUM 69 1159 PM 49 2014 65 4 63 AVERAGE 77 75 2 73 PRECIPITATION (IN) YESTERDAY 0.03 2.52 1982 0.12 -0.09 T MONTH TO DATE 1.55 2.17 -0.62 2.10 SINCE JUN 1 5.52 7.55 -2.03 4.26 SINCE JAN 1 10.99 20.99 -10.00 21.07 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 7 17 -10 1 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 12 10 2 8 MONTH TO DATE 171 160 11 142 SINCE JUN 1 423 375 48 410 SINCE JAN 1 474 453 21 468 ................................................................... WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 9.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 200 AM LOWEST 61 500 PM AVERAGE 79 .......................................................... THE OTTUMWA IA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 107 1936 MINIMUM TEMPERATURE (F) 65 51 2009 SUNRISE AND SUNSET JULY 17 2025..........SUNRISE 552 AM CDT SUNSET 839 PM CDT JULY 18 2025..........SUNRISE 553 AM CDT SUNSET 839 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$