Climatological Report (Daily)
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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.




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