Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDMX 180636
CLIOTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
136 AM CDT MON AUG 18 2025
...................................
...THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 17 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 93 335 PM 104 1983 84 9 79
1988
MINIMUM 71 459 AM 49 1897 62 9 64
2012
2013
AVERAGE 82 73 9 72
PRECIPITATION (IN)
YESTERDAY 0.00 1.73 1941 0.16 -0.16 0.00
MONTH TO DATE 2.09 2.34 -0.25 1.10
SINCE JUN 1 11.03 11.59 -0.56 10.26
SINCE JAN 1 16.50 25.03 -8.53 27.07
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 6
SINCE JUN 1 7 19 -12 7
SINCE JUL 1 0 2 -2 6
COOLING
YESTERDAY 17 8 9 7
MONTH TO DATE 147 156 -9 113
SINCE JUN 1 748 686 62 645
SINCE JAN 1 799 764 35 703
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 4.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 52 300 PM
AVERAGE 76
..........................................................
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 109 1936
MINIMUM TEMPERATURE (F) 62 47 2012
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 623 AM CDT SUNSET 804 PM CDT
AUGUST 19 2025........SUNRISE 624 AM CDT SUNSET 802 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$