Climatological Report (Daily)
Issued by NWS
Issued by NWS
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374
CDUS43 KDMX 210632
CLIMCW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
132 AM CDT MON SEP 21 2026
...................................
...THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 20 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 69 235 PM 92 2022 73 -4 71
MINIMUM 58 1159 PM 29 1991 47 11 53
AVERAGE 64 60 4 62
PRECIPITATION (IN)
YESTERDAY 0.01 2.27 2018 0.12 -0.11 0.00
MONTH TO DATE 2.82 2.34 0.48 0.98
SINCE SEP 1 2.82 2.34 0.48 0.98
SINCE JAN 1 25.09 29.65 -4.56 32.80
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 SEP 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 6 -5 3
MONTH TO DATE 24 79 -55 68
SINCE SEP 1 24 79 -55 68
SINCE JUL 1 27 115 -88 98
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 94 47 47 60
SINCE SEP 1 94 47 47 60
SINCE JAN 1 746 586 160 698
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 13.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 100 AM
LOWEST 59 500 PM
AVERAGE 78
..........................................................
THE MASON CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 93 1937
2024
MINIMUM TEMPERATURE (F) 47 29 1999
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 700 AM CDT SUNSET 712 PM CDT
SEPTEMBER 22 2026.....SUNRISE 701 AM CDT SUNSET 710 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$