Climatological Report (Daily)
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303
CDUS43 KDMX 200637
CLIMCW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
137 AM CDT SUN SEP 20 2026

...................................

...THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 19 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         67        MM  95    1948  73     -6       74
  MINIMUM         60        MM  31    1991  48     12       57
  AVERAGE         64                        60      4       66

PRECIPITATION (IN)
  YESTERDAY        0.40          4.57 1983   0.11   0.29     0.04
  MONTH TO DATE    2.81                      2.22   0.59     0.98
  SINCE SEP 1      2.81                      2.22   0.59     0.98
  SINCE JAN 1     25.08                     29.53  -4.45    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      MM

DEGREE DAYS
 HEATING
  YESTERDAY        1                         6     -5        0
  MONTH TO DATE   23                        73    -50       65
  SINCE SEP 1     23                        73    -50       65
  SINCE JUL 1     26                       109    -83       95

 COOLING
  YESTERDAY        0                         2     -2        1
  MONTH TO DATE   94                        46     48       60
  SINCE SEP 1     94                        46     48       60
  SINCE JAN 1    746                       585    161      698
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     7.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     93           100 AM
 AVERAGE    97

..........................................................


THE MASON CITY IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        92      2022
 MINIMUM TEMPERATURE (F)   47        29      1991


SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE   658 AM CDT   SUNSET   714 PM CDT
SEPTEMBER 21 2026.....SUNRISE   700 AM CDT   SUNSET   712 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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