Climatological Report (Daily)
Issued by NWS
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CDUS43 KDMX 010628
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
128 AM CDT TUE SEP 01 2026
...................................
...THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 31 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 87 221 PM 94 1948 79 8 76
MINIMUM 67 1159 PM 38 2009 54 13 54
AVERAGE 77 66 11 65
PRECIPITATION (IN)
YESTERDAY 0.00 1.53 1969 0.12 -0.12 0.00
MONTH TO DATE 2.53 3.79 -1.26 4.17
SINCE JUN 1 12.94 13.61 -0.67 21.12
SINCE JAN 1 22.25 27.31 -5.06 31.82
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 MM
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 1 25 -24 27
SINCE JUN 1 18 74 -56 43
SINCE JUL 1 3 35 -32 30
COOLING
YESTERDAY 12 3 9 0
MONTH TO DATE 161 147 14 153
SINCE JUN 1 591 501 90 611
SINCE JAN 1 652 539 113 638
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 4.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 67 1000 AM
AVERAGE 84
..........................................................
THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 97 1913
MINIMUM TEMPERATURE (F) 54 35 1949
SUNRISE AND SUNSET
SEPTEMBER 1 2026.....SUNRISE 638 AM CDT SUNSET 748 PM CDT
SEPTEMBER 2 2026.....SUNRISE 639 AM CDT SUNSET 746 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$