459
CDUS45 KRIW 180045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT MAY 17 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 17 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 69 2:59 PM 83 2006 67 2 76
MINIMUM 40 4:59 AM 30 1999 40 0 46
AVERAGE 55 54 1 61
PRECIPITATION (IN)
TODAY 0.00 1.12 2000 0.06 -0.06 0.00
MONTH TO DATE 0.87 1.08 -0.21 1.40
SINCE MAR 1 3.75 2.93 0.82 2.30
SINCE JAN 1 4.25 3.62 0.63 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 10 12 -2 4
MONTH TO DATE 202 247 -45 257
SINCE MAR 1 1692 1806 -114 1694
SINCE JUL 1 7039 7684 -645 7278
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 14 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67
LOWEST 21
AVERAGE 44
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 87 2009
MINIMUM TEMPERATURE (F) 40 32 2017
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:48 AM MDT SUNSET 8:33 PM MDT
MAY 18 2025...........SUNRISE 5:47 AM MDT SUNSET 8:34 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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