015
CDUS45 KRIW 190045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT APR 18 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR APRIL 18 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 61 4:43 PM 78 2001 57 4 34
MINIMUM 23 5:54 AM 13 2013 30 -7 22
AVERAGE 42 44 -2 28
PRECIPITATION (IN)
TODAY 0.00 0.34 2017 0.04 -0.04 0.09
MONTH TO DATE 0.03 0.64 -0.61 0.55
SINCE MAR 1 0.18 1.29 -1.11 2.27
SINCE JAN 1 0.45 1.98 -1.53 2.77
SNOWFALL (IN)
TODAY MM 0.1
MONTH TO DATE 0.1 4.0
SINCE MAR 1 3.4 17.3
SINCE JUL 1 11.4 29.8
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 23 21 2 37
MONTH TO DATE 337 412 -75 403
SINCE MAR 1 880 1324 -444 1243
SINCE JUL 1 5173 7202 -2029 6590
COOLING
TODAY 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 23 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 12.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 50
LOWEST 8
AVERAGE 29
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 74 2019
MINIMUM TEMPERATURE (F) 31 12 2021
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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