624
CDUS45 KRIW 180728
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT APR 18 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR APRIL 17 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 45 1:52 PM 76 2005 57 -12 48
MINIMUM 26 5:01 AM 15 2020 30 -4 24
AVERAGE 36 44 -8 36
PRECIPITATION (IN)
YESTERDAY T 0.25 0.04 -0.04 0.25
MONTH TO DATE 0.03 0.60 -0.57 0.46
SINCE MAR 1 0.18 1.25 -1.07 2.18
SINCE JAN 1 0.45 1.94 -1.49 2.68
SNOWFALL (IN)
YESTERDAY 0.1 3.0 2018 2.2
MONTH TO DATE 0.1 3.9
SINCE MAR 1 3.4 17.2
SINCE JUL 1 11.4 29.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 29 22 7 29
MONTH TO DATE 314 391 -77 366
SINCE MAR 1 857 1303 -446 1206
SINCE JUL 1 5150 7181 -2031 6553
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 25 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 11.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 4:00 AM
LOWEST 13 3:00 PM
AVERAGE 53
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 78 2001
MINIMUM TEMPERATURE (F) 30 13 2013
SUNRISE AND SUNSET
APRIL 18 2026.........SUNRISE 6:27 AM MDT SUNSET 8:00 PM MDT
APRIL 19 2026.........SUNRISE 6:25 AM MDT SUNSET 8:01 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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