Climatological Report (Daily)
Issued by NWS
Issued by NWS
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083
CDUS43 KDMX 170630
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
130 AM CDT FRI OCT 17 2025
...................................
...THE MASON CITY IA CLIMATE SUMMARY FOR OCTOBER 16 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 72 433 PM 85 1938 60 12 61
MINIMUM 55 804 AM 22 1943 37 18 23
AVERAGE 64 48 16 42
PRECIPITATION (IN)
YESTERDAY 0.02 2.09 1928 0.08 -0.06 0.00
MONTH TO DATE 1.10 1.45 -0.35 T
SINCE SEP 1 2.22 4.90 -2.68 0.43
SINCE JAN 1 34.04 32.21 1.83 28.69
SNOWFALL (IN)
YESTERDAY 0.0 5.5 1937 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.1 -0.1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 1 17 -16 23
MONTH TO DATE 108 217 -109 168
SINCE SEP 1 184 381 -197 231
SINCE JUL 1 214 417 -203 252
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 36 2 34 6
SINCE SEP 1 122 59 63 97
SINCE JAN 1 760 598 162 616
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 13.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 700 AM
LOWEST 73 500 PM
AVERAGE 87
..........................................................
THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 85 1947
MINIMUM TEMPERATURE (F) 36 18 1952
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 730 AM CDT SUNSET 627 PM CDT
OCTOBER 18 2025.......SUNRISE 731 AM CDT SUNSET 625 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$