805
CDUS45 KRIW 010729
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT FRI MAY 01 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR APRIL 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 55 4:43 PM 80 2007 61 -6 55
2021
MINIMUM 34 11:59 PM 24 2017 34 0 40
AVERAGE 45 47 -2 48
PRECIPITATION (IN)
YESTERDAY 0.03 1.04 0.05 -0.02 0.14
MONTH TO DATE 0.42 1.20 -0.78 1.16
SINCE MAR 1 0.57 1.85 -1.28 2.88
SINCE JAN 1 0.84 2.54 -1.70 3.38
SNOWFALL (IN)
YESTERDAY T 2.8 2019 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 0
DEGREE DAYS
HEATING
YESTERDAY 20 18 2 17
MONTH TO DATE 582 645 -63 650
SINCE MAR 1 1125 1557 -432 1490
SINCE JUL 1 5418 7435 -2017 6837
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 18 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 9.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 21 5:00 PM
AVERAGE 61
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 78 2007
MINIMUM TEMPERATURE (F) 34 24 2011
SUNRISE AND SUNSET
MAY 1 2026...........SUNRISE 6:07 AM MDT SUNSET 8:15 PM MDT
MAY 2 2026...........SUNRISE 6:06 AM MDT SUNSET 8:16 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page