Climatological Report (Daily)
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CDUS45 KRIW 090733
CLICPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT TUE JUN 09 2026

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

...THE CASPER WY CLIMATE SUMMARY FOR JUNE 8 2026...

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)
 YESTERDAY
  MAXIMUM         84   3:49 PM  96    2000  77      7       74
  MINIMUM         40   4:53 AM  33    1979  44     -4       39
                                      2019
  AVERAGE         62                        60      2

PRECIPITATION (IN)
  YESTERDAY        0.00          0.87 1995   0.05  -0.05     0.00
  MONTH TO DATE    T                         0.44  -0.44     0.23
  SINCE JUN 1      T                         0.44  -0.44     0.23
  SINCE JAN 1      3.65                      5.95  -2.30     5.15

SNOWFALL (IN)
  YESTERDAY        0.0           T    1995   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE JUN 1      0.0                       0.1   -0.1      0.0
  SINCE JUL 1     29.6                      71.8  -42.2     26.5
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY        3                         6     -3        8
  MONTH TO DATE   10                        54    -44       64
  SINCE JUN 1     10                        54    -44       64
  SINCE JUL 1   5758                      7414  -1656     6995

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   14                         7      7        3
  SINCE JUN 1     14                         7      7        3
  SINCE JAN 1     15                        11      4        3
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     9.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           5:00 AM
 LOWEST     18           4:00 PM
 AVERAGE    47

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        93      1973
                                             2001
                                             2018
 MINIMUM TEMPERATURE (F)   44        27      2019


SUNRISE AND SUNSET
JUNE  9 2026..........SUNRISE   5:27 AM MDT   SUNSET   8:44 PM MDT
JUNE 10 2026..........SUNRISE   5:27 AM MDT   SUNSET   8:44 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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