899
CDUS45 KRIW 200045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON MAY 19 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 19 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 56 1:48 PM 89 2009 68 -12 72
MINIMUM 40 5:31 AM 31 2003 41 -1 45
2019
AVERAGE 48 54 -6 59
PRECIPITATION (IN)
TODAY 0.09 1.91 2011 0.07 0.02 0.00
MONTH TO DATE 1.06 1.22 -0.16 1.40
SINCE MAR 1 3.94 3.07 0.87 2.30
SINCE JAN 1 4.44 3.76 0.68 3.75
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 0.9 0.7
SINCE MAR 1 18.2 4.3
SINCE JUL 1 30.7 36.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 17 11 6 6
MONTH TO DATE 231 269 -38 275
SINCE MAR 1 1721 1828 -107 1712
SINCE JUL 1 7068 7706 -638 7296
COOLING
TODAY 0 0 0 0
MONTH TO DATE 3 0 3 0
SINCE MAR 1 3 0 3 0
SINCE JAN 1 3 0 3 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 11.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96
LOWEST 46
AVERAGE 71
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 87 2006
MINIMUM TEMPERATURE (F) 41 26 2003
SUNRISE AND SUNSET
MAY 19 2025...........SUNRISE 5:46 AM MDT SUNSET 8:35 PM MDT
MAY 20 2025...........SUNRISE 5:45 AM MDT SUNSET 8:36 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