Climatological Report (Daily)
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742
CDUS43 KDMX 170636
CLIMCW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
136 AM CDT SAT MAY 17 2025

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

...THE MASON CITY IA CLIMATE SUMMARY FOR MAY 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         71        MM  91    1918  70      1       71
                                      1936
  MINIMUM         46        MM  26    1921  47     -1       51
  AVERAGE         59                        58      1       61

PRECIPITATION (IN)
  YESTERDAY        0.01          2.18 1992   0.18  -0.17     0.10
  MONTH TO DATE    0.04                      2.60  -2.56     4.55
  SINCE MAR 1      8.45                      9.04  -0.59    11.24
  SINCE JAN 1      8.79                     11.15  -2.36    12.22

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.3   -0.3      0.0
  SINCE MAR 1     11.4                      10.3    1.1      4.5
  SINCE JUL 1     20.3                      44.4  -24.1     17.8
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        6                         8     -2        4
  MONTH TO DATE   75                       165    -90      126
  SINCE MAR 1   1363                      1735   -372     1477
  SINCE JUL 1   6615                      7526   -911     6243

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   24                         7     17        2
  SINCE MAR 1     24                        10     14        2
  SINCE JAN 1     24                        10     14        2
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    37   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    54   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    21.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    32           100 AM
 LOWEST     30           800 AM
 AVERAGE    31

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


THE MASON CITY IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        94      1934
 MINIMUM TEMPERATURE (F)   47        28      1930


SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE   547 AM CDT   SUNSET   833 PM CDT
MAY 18 2025...........SUNRISE   546 AM CDT   SUNSET   834 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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