Climatological Report (Daily)
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302
CDUS45 KRIW 170732
CLICPR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT FRI OCT 17 2025

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

...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 16 2025...

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)
 YESTERDAY
  MAXIMUM         53  11:37 AM  83    1991  59     -6       78
  MINIMUM         35  10:08 PM  18    1992  31      4       30
  AVERAGE         44                        45     -1

PRECIPITATION (IN)
  YESTERDAY        0.35          2.06 1998   0.04   0.31     0.00
  MONTH TO DATE    1.32                      0.70   0.62     0.00
  SINCE SEP 1      3.87                      1.65   2.22     0.24
  SINCE JAN 1     11.18                     10.48   0.70     7.22

SNOWFALL (IN)
  YESTERDAY        0.0          16.0  1998   0.2   -0.2      0.0
  MONTH TO DATE    0.0                       3.1   -3.1      0.0
  SINCE SEP 1      0.0                       4.6   -4.6      0.0
  SINCE JUL 1      0.0                       4.6   -4.6      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       21                        20      1       11
  MONTH TO DATE  222                       269    -47      154
  SINCE SEP 1    335                       483   -148      256
  SINCE JUL 1    345                       528   -183      294

 COOLING
  YESTERDAY        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    25   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    11.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  RAIN
  LIGHT RAIN
  HAIL
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           1:00 AM
 LOWEST     56          12:00 PM
 AVERAGE    78

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        79      2003
 MINIMUM TEMPERATURE (F)   30        19      1968
                                             1996
                                             2012


SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE   7:22 AM MDT   SUNSET   6:19 PM MDT
OCTOBER 18 2025.......SUNRISE   7:23 AM MDT   SUNSET   6:18 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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