Climatological Report (Daily)
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207
CDUS45 KRIW 160045
CLICPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT AUG 15 2026

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

...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 15 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         78   1:20 PM  95    1992  87     -9       93
                                      1994
                                      2015
  MINIMUM         53   1:56 PM  41    1974  52      1       49
  AVERAGE         66                        70     -4       71

PRECIPITATION (IN)
  TODAY            0.47R         0.46 2009   0.03   0.44      T
  MONTH TO DATE    1.73                      0.45   1.28     0.22
  SINCE JUN 1      2.41                      2.98  -0.57     1.89
  SINCE JAN 1      6.06                      8.49  -2.43     6.81

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                         1     -1        0
  MONTH TO DATE    5                         3      2        4
  SINCE JUN 1     97                       143    -46      100
  SINCE JUL 1      5                        17    -12        9

 COOLING
  TODAY            1                         5     -4        6
  MONTH TO DATE  108                        94     14       80
  SINCE JUN 1    485                       345    140      382
  SINCE JAN 1    486                       349    137      382
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    48   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     6.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97
 LOWEST     40
 AVERAGE    69

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


THE CASPER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        96      1982
                                             1995
                                             2002
 MINIMUM TEMPERATURE (F)   52        38      2009


SUNRISE AND SUNSET
AUGUST 15 2026........SUNRISE   6:12 AM MDT   SUNSET   8:08 PM MDT
AUGUST 16 2026........SUNRISE   6:13 AM MDT   SUNSET   8:06 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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