Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 140732
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT FRI AUG 14 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 13 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 68 2:28 PM 99 2000 88 -20 97
MINIMUM 58 11:59 PM 38 2002 52 6 51
AVERAGE 63 70 -7
PRECIPITATION (IN)
YESTERDAY 1.26R 0.64 1990 0.03 1.23 T
MONTH TO DATE 1.26 0.40 0.86 0.22
SINCE JUN 1 1.94 2.93 -0.99 1.89
SINCE JAN 1 5.59 8.44 -2.85 6.81
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 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 0
DEGREE DAYS
HEATING
YESTERDAY 2 1 1 0
MONTH TO DATE 5 1 4 4
SINCE JUN 1 97 141 -44 100
SINCE JUL 1 5 15 -10 9
COOLING
YESTERDAY 0 6 -6 9
MONTH TO DATE 103 84 19 63
SINCE JUN 1 480 335 145 365
SINCE JAN 1 481 339 142 365
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 9:00 AM
LOWEST 72 12:00 AM
AVERAGE 85
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 99 2003
MINIMUM TEMPERATURE (F) 52 39 2023
SUNRISE AND SUNSET
AUGUST 14 2026........SUNRISE 6:11 AM MDT SUNSET 8:09 PM MDT
AUGUST 15 2026........SUNRISE 6:12 AM MDT SUNSET 8:08 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$