Climatological Report (Daily)
Issued by NWS
Issued by NWS
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029
CDUS43 KDMX 310631
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
131 AM CDT THU JUL 31 2025
...................................
...THE MASON CITY IA CLIMATE SUMMARY FOR JULY 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 78 428 PM 100 1919 82 -4 87
MINIMUM 65 1159 PM 43 1936 60 5 65
AVERAGE 72 71 1 76
PRECIPITATION (IN)
YESTERDAY 0.38 3.40 1979 0.13 0.25 0.00
MONTH TO DATE 7.01 4.30 2.71 5.01
SINCE JUN 1 16.00 9.69 6.31 10.65
SINCE JAN 1 26.70 23.39 3.31 26.51
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 0 0 0 0
MONTH TO DATE 3 0 3 3
SINCE JUN 1 16 39 -23 12
SINCE JUL 1 3 0 3 3
COOLING
YESTERDAY 7 6 1 11
MONTH TO DATE 245 205 40 175
SINCE JUN 1 449 347 102 334
SINCE JAN 1 476 385 91 351
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 5.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 67 1200 PM
AVERAGE 84
..........................................................
THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 103 1988
MINIMUM TEMPERATURE (F) 60 46 1925
1936
1971
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 603 AM CDT SUNSET 836 PM CDT
AUGUST 1 2025........SUNRISE 604 AM CDT SUNSET 834 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$