Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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706
CDUS45 KRIW 200726
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT WED AUG 20 2025
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 19 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 97R 3:13 PM 96 2013 85 12 91
2019
MINIMUM 56 2:27 AM 43 1996 53 3 64
2002
AVERAGE 77 69 8 78
PRECIPITATION (IN)
YESTERDAY 0.00 0.29 0.01 -0.01 T
MONTH TO DATE 0.01 0.26 -0.25 0.22
SINCE JUN 1 1.22 1.74 -0.52 0.69
SINCE JAN 1 5.74 6.20 -0.46 5.33
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 1 -1 0
MONTH TO DATE 2 6 -4 1
SINCE JUN 1 80 131 -51 41
SINCE JUL 1 2 16 -14 8
COOLING
YESTERDAY 12 5 7 13
MONTH TO DATE 147 126 21 134
SINCE JUN 1 532 417 115 489
SINCE JAN 1 538 425 113 489
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 47 4:00 AM
LOWEST 7 5:00 PM
AVERAGE 27
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 94 2019
MINIMUM TEMPERATURE (F) 53 39 2016
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 6:26 AM MDT SUNSET 8:08 PM MDT
AUGUST 21 2025........SUNRISE 6:27 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.
$$