140
CDUS45 KRIW 270729
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT WED MAY 27 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 26 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 81 2:51 PM 87 2003 71 10 75
2006
MINIMUM 49 3:55 AM 34 2012 43 6 38
AVERAGE 65 57 8 57
PRECIPITATION (IN)
YESTERDAY 0.00 2.00 0.05 -0.05 0.00
MONTH TO DATE 0.57 1.64 -1.07 1.14
SINCE MAR 1 1.14 3.49 -2.35 4.02
SINCE JAN 1 1.41 4.18 -2.77 4.52
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2021 0.0
MONTH TO DATE 0.8 0.9
SINCE MAR 1 8.4 18.2
SINCE JUL 1 16.4 30.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 9 -9 8
MONTH TO DATE 295 336 -41 307
SINCE MAR 1 1420 1895 -475 1797
SINCE JUL 1 5713 7773 -2060 7144
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 8 0 8 3
SINCE MAR 1 8 0 8 3
SINCE JAN 1 8 0 8 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 11.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 4:00 AM
LOWEST 20 4:00 PM
AVERAGE 43
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 87 2014
MINIMUM TEMPERATURE (F) 43 35 2012
SUNRISE AND SUNSET
MAY 27 2026...........SUNRISE 5:40 AM MDT SUNSET 8:42 PM MDT
MAY 28 2026...........SUNRISE 5:39 AM MDT SUNSET 8:43 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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