Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 220045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI AUG 21 2026
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 21 2026...
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 98R 1:34 PM 94 2010 84 14 88
2023
2024
MINIMUM 60 5:11 AM 44 2021 53 7 67
AVERAGE 79 68 11 78
PRECIPITATION (IN)
TODAY T 0.17 2021 0.02 -0.02 T
MONTH TO DATE 0.17 0.29 -0.12 0.01
SINCE JUN 1 1.03 1.77 -0.74 1.22
SINCE JAN 1 2.46 6.23 -3.77 5.74
SNOWFALL (IN)
TODAY MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 2 8 -6 2
SINCE JUN 1 72 133 -61 80
SINCE JUL 1 2 18 -16 2
COOLING
TODAY 14 4 10 13
MONTH TO DATE 178 135 43 172
SINCE JUN 1 618 426 192 557
SINCE JAN 1 641 434 207 563
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 51
LOWEST 14
AVERAGE 33
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 96 2009
MINIMUM TEMPERATURE (F) 52 47 2021
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 6:26 AM MDT SUNSET 8:07 PM MDT
AUGUST 22 2026........SUNRISE 6:27 AM MDT SUNSET 8:05 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$