Climatological Report (Daily)
Issued by NWS
Issued by NWS
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392
CDUS43 KDMX 180632
CLIOTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
132 AM CDT TUE AUG 18 2026
...................................
...THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 17 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1920 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM MM MM 104 1983 84 MM 93
1988
MINIMUM MM MM 49 1897 62 MM 71
2012
2013
AVERAGE MM 73 MM 82
PRECIPITATION (IN)
YESTERDAY MM 1.73 1941 0.16 MM 0.00
MONTH TO DATE 1.44 2.34 -0.90 2.09
SINCE JUN 1 6.78 11.59 -4.81 11.03
SINCE JAN 1 15.15 25.03 -9.88 16.50
DEGREE DAYS
HEATING
YESTERDAY MM 0 MM 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 8 19 -11 7
SINCE JUL 1 0 2 -2 0
COOLING
YESTERDAY MM 8 MM 17
MONTH TO DATE 127 156 -29 147
SINCE JUN 1 696 686 10 748
SINCE JAN 1 824 764 60 799
...................................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
..........................................................
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 2026........SUNRISE 623 AM CDT SUNSET 804 PM CDT
AUGUST 19 2026........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.
$$