Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDMX 310639
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
139 AM CDT SUN AUG 31 2025
...................................
...THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 30 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 322 PM 99 2012 79 -8 78
MINIMUM 57 1156 PM 30 1915 55 2 57
AVERAGE 64 67 -3 68
PRECIPITATION (IN)
YESTERDAY 0.00 3.21 1962 0.13 -0.13 0.00
MONTH TO DATE 4.17 3.67 0.50 1.59
SINCE JUN 1 21.12 13.49 7.63 12.40
SINCE JAN 1 31.82 27.19 4.63 28.26
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 1 2 -1 0
MONTH TO DATE 27 23 4 18
SINCE JUN 1 43 72 -29 30
SINCE JUL 1 30 33 -3 21
COOLING
YESTERDAY 0 4 -4 3
MONTH TO DATE 153 146 7 153
SINCE JUN 1 611 500 111 498
SINCE JAN 1 638 538 100 515
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 5.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 78 300 PM
AVERAGE 89
..........................................................
THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 94 1948
MINIMUM TEMPERATURE (F) 54 38 2009
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 637 AM CDT SUNSET 749 PM CDT
SEPTEMBER 1 2025.....SUNRISE 638 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.
$$