414
CDUS45 KRIW 200742
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
142 AM MDT TUE MAY 20 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 19 2025
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)
YESTERDAY
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)
YESTERDAY 0.09 1.91 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)
YESTERDAY 0.0 7.5 2011 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 0
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 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 NW (300)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 11.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 2:00 AM
LOWEST 46 2:00 PM
AVERAGE 71
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 87 2006
MINIMUM TEMPERATURE (F) 41 26 2003
SUNRISE AND SUNSET
MAY 20 2025...........SUNRISE 5:45 AM MDT SUNSET 8:36 PM MDT
MAY 21 2025...........SUNRISE 5:44 AM MDT SUNSET 8:37 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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