Climatological Report (Daily)
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CDUS45 KRIW 240045
CLICPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU JUL 23 2026

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

...THE CASPER WY CLIMATE SUMMARY FOR JULY 23 2026...
VALID TODAY AS OF 0600 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         90        MM 100    2000  90      0       85
                                      2006
                                      2014
  MINIMUM         64        MM  43    1972  55      9       56
  AVERAGE         77                        72      5       71

PRECIPITATION (IN)
  TODAY            0.03          1.14 1977   0.04  -0.01      T
  MONTH TO DATE    0.12                      0.90  -0.78     0.45
  SINCE JUN 1      0.67                      2.24  -1.57     0.98
  SINCE JAN 1      4.32                      7.75  -3.43     5.90

SNOWFALL (IN)
  TODAY           MM                         0.0   MM        0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.1   -0.1      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         9     -9        5
  SINCE JUN 1     92                       135    -43       96
  SINCE JUL 1      0                         9     -9        5

 COOLING
  TODAY           12                         8      4        6
  MONTH TO DATE  236                       139     97      173
  SINCE JUN 1    271                       190     81      248
  SINCE JAN 1    272                       194     78      248
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     8.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93
 LOWEST     35
 AVERAGE    64

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


THE CASPER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   90       100      1959
                                             2003
 MINIMUM TEMPERATURE (F)   55        45      2010


SUNRISE AND SUNSET
JULY 23 2026..........SUNRISE   5:48 AM MDT   SUNSET   8:36 PM MDT
JULY 24 2026..........SUNRISE   5:49 AM MDT   SUNSET   8:35 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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