Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 310731
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT FRI JUL 31 2026
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR JULY 30 2026...
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)
YESTERDAY
MAXIMUM 91 4:29 PM 96 2001 89 2 82
MINIMUM 61 5:21 AM 48 2009 57 4 57
AVERAGE 76 73 3 70
PRECIPITATION (IN)
YESTERDAY T 0.35 0.02 -0.02 0.29
MONTH TO DATE 0.61 0.52 0.09 0.31
SINCE JUN 1 0.86 1.46 -0.60 1.21
SINCE JAN 1 2.29 5.92 -3.63 5.73
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 0 0 0
MONTH TO DATE 0 6 -6 0
SINCE JUN 1 70 121 -51 78
SINCE JUL 1 0 6 -6 0
COOLING
YESTERDAY 11 8 3 5
MONTH TO DATE 373 213 160 265
SINCE JUN 1 429 280 149 381
SINCE JAN 1 452 288 164 387
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 5:00 AM
LOWEST 19 4:00 PM
AVERAGE 42
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 98 2003
MINIMUM TEMPERATURE (F) 57 49 2009
SUNRISE AND SUNSET
JULY 31 2026..........SUNRISE 6:04 AM MDT SUNSET 8:36 PM MDT
AUGUST 1 2026........SUNRISE 6:05 AM MDT SUNSET 8:35 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$