Climatological Report (Daily)
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416
CDUS43 KDMX 190649
CLIMCW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
149 AM CDT TUE AUG 19 2025

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

...THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 18 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         83    226 PM  99    1936  80      3       82
                                      1947
  MINIMUM         66   1159 PM  42    1950  58      8       58
  AVERAGE         75                        69      6       70

PRECIPITATION (IN)
  YESTERDAY        2.48R         2.22 1942   0.12   2.36     0.00
  MONTH TO DATE    3.73                      2.23   1.50     1.06
  SINCE JUN 1     20.68                     12.05   8.63    11.87
  SINCE JAN 1     31.38                     25.75   5.63    27.73

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                         1     -1        0
  MONTH TO DATE    3                         8     -5       13
  SINCE JUN 1     19                        57    -38       25
  SINCE JUL 1      6                        18    -12       16

 COOLING
  YESTERDAY       10                         5      5        5
  MONTH TO DATE  116                        98     18       76
  SINCE JUN 1    574                       452    122      421
  SINCE JAN 1    601                       490    111      438
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     7.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM
 LOWEST     67           400 PM
 AVERAGE    84

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


THE MASON CITY IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        98      1983
 MINIMUM TEMPERATURE (F)   57        40      2004


SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE   624 AM CDT   SUNSET   809 PM CDT
AUGUST 20 2025........SUNRISE   625 AM CDT   SUNSET   808 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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