640
CDUS45 KRIW 270731
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT MON APR 27 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR APRIL 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 41 2:55 PM 79 2012 59 -18 65
MINIMUM 26R 11:10 PM 26 2008 33 -7 31
AVERAGE 34 46 -12 48
PRECIPITATION (IN)
YESTERDAY 0.21 0.79 0.05 0.16 0.00
MONTH TO DATE 0.36 0.99 -0.63 0.82
SINCE MAR 1 0.51 1.64 -1.13 2.54
SINCE JAN 1 0.78 2.33 -1.55 3.04
SNOWFALL (IN)
YESTERDAY 2.2 3.6 2016 0.0
MONTH TO DATE 4.3 4.0
SINCE MAR 1 7.6 17.3
SINCE JUL 1 15.6 29.8
SNOW DEPTH 2
DEGREE DAYS
HEATING
YESTERDAY 31 19 12 17
MONTH TO DATE 487 572 -85 578
SINCE MAR 1 1030 1484 -454 1418
SINCE JUL 1 5323 7362 -2039 6765
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 12.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
SNOW
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 PM
LOWEST 75 12:00 AM
AVERAGE 86
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 78 2001
MINIMUM TEMPERATURE (F) 33 25 2005
2011
SUNRISE AND SUNSET
APRIL 27 2026.........SUNRISE 6:13 AM MDT SUNSET 8:11 PM MDT
APRIL 28 2026.........SUNRISE 6:12 AM MDT SUNSET 8:12 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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