Climatological Report (Daily)
Issued by NWS
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128
CDUS43 KDMX 310628
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
128 AM CDT MON AUG 31 2026
...................................
...THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 30 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 81 307 PM 99 2012 79 2 71
MINIMUM 66 559 AM 30 1915 55 11 57
AVERAGE 74 67 7 64
PRECIPITATION (IN)
YESTERDAY 0.31 3.21 1962 0.13 0.18 0.00
MONTH TO DATE 2.53 3.67 -1.14 4.17
SINCE JUN 1 12.94 13.49 -0.55 21.12
SINCE JAN 1 22.25 27.19 -4.94 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 1
MONTH TO DATE 1 23 -22 27
SINCE JUN 1 18 72 -54 43
SINCE JUL 1 3 33 -30 30
COOLING
YESTERDAY 9 4 5 0
MONTH TO DATE 149 146 3 153
SINCE JUN 1 579 500 79 611
SINCE JAN 1 640 538 102 638
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 9.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 400 AM
LOWEST 71 300 PM
AVERAGE 84
..........................................................
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 2026........SUNRISE 637 AM CDT SUNSET 750 PM CDT
SEPTEMBER 1 2026.....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.
$$