Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 290730
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT FRI AUG 29 2025
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 28 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 3:41 PM 94 2012 82 -5 88
MINIMUM 53 5:25 AM 43 2004 51 2 52
2019
AVERAGE 65 66 -1 70
PRECIPITATION (IN)
YESTERDAY 0.09R 0.09 2010 0.02 0.07 0.00
MONTH TO DATE 0.50 0.38 0.12 0.32
SINCE JUN 1 1.71 1.86 -0.15 0.79
SINCE JAN 1 6.23 6.32 -0.09 5.43
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0
MONTH TO DATE 0.0 0.0
SINCE JUN 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 3 18 -15 7
SINCE JUN 1 81 143 -62 47
SINCE JUL 1 3 28 -25 14
COOLING
YESTERDAY 0 3 -3 5
MONTH TO DATE 182 161 21 183
SINCE JUN 1 567 452 115 538
SINCE JAN 1 573 460 113 538
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 40 4:00 PM
AVERAGE 70
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 96 2012
MINIMUM TEMPERATURE (F) 50 43 2021
SUNRISE AND SUNSET
AUGUST 29 2025........SUNRISE 6:35 AM MDT SUNSET 7:53 PM MDT
AUGUST 30 2025........SUNRISE 6:36 AM MDT SUNSET 7:51 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$