Climatological Report (Daily)
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CDUS45 KRIW 040045
CLICPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI OCT 03 2025

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

...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 3 2025...
VALID TODAY AS OF 0600 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         83        MM  86    2010  66     17       68
  MINIMUM         43   4:00 AM  22    2009  36      7       31
  AVERAGE         63                        51     12       50

PRECIPITATION (IN)
  TODAY            T             1.54 2013   0.05  -0.05     0.00
  MONTH TO DATE    T                         0.14  -0.14     0.00
  SINCE SEP 1      2.55                      1.09   1.46     0.24
  SINCE JAN 1      9.86                      9.92  -0.06     7.22

SNOWFALL (IN)
  TODAY           MM                         0.2   MM        0.0
  MONTH TO DATE    0.0                       0.5   -0.5      0.0
  SINCE SEP 1      0.0                       2.0   -2.0      0.0
  SINCE JUL 1      0.0                       2.0   -2.0      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            2                        14    -12       15
  MONTH TO DATE   15                        41    -26       30
  SINCE SEP 1    128                       255   -127      132
  SINCE JUL 1    138                       300   -162      170

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     17                        30    -13       63
  SINCE JAN 1    467                       442     25      538
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    13.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79
 LOWEST     16
 AVERAGE    48

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


THE CASPER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        85      2024
 MINIMUM TEMPERATURE (F)   35        22      1964


SUNRISE AND SUNSET
OCTOBER  3 2025.......SUNRISE   7:06 AM MDT   SUNSET   6:43 PM MDT
OCTOBER  4 2025.......SUNRISE   7:07 AM MDT   SUNSET   6:41 PM MDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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