Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 170730
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SUN AUG 17 2025
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 16 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 88 2:13 PM 95 2002 86 2 86
MINIMUM 65 12:42 AM 43 2009 54 11 52
AVERAGE 77 70 7 69
PRECIPITATION (IN)
YESTERDAY 0.01 0.03 0.01 0.00 0.00
MONTH TO DATE 0.01 0.22 -0.21 0.22
SINCE JUN 1 1.22 1.70 -0.48 0.69
SINCE JAN 1 5.74 6.16 -0.42 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 3 -1 1
SINCE JUN 1 80 128 -48 41
SINCE JUL 1 2 13 -11 8
COOLING
YESTERDAY 12 6 6 4
MONTH TO DATE 120 111 9 102
SINCE JUN 1 505 402 103 457
SINCE JAN 1 511 410 101 457
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 12.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 52 5:00 AM
LOWEST 18 1:00 PM
AVERAGE 35
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 95 2013
2020
MINIMUM TEMPERATURE (F) 54 41 2009
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 6:22 AM MDT SUNSET 8:13 PM MDT
AUGUST 18 2025........SUNRISE 6:23 AM MDT SUNSET 8:11 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$