507
CDUS45 KRIW 170742
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
142 AM MDT SAT MAY 17 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 16 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 61 MM 85 2012 67 -6 75
MINIMUM 35 MM 31 2009 40 -5 43
AVERAGE 48 53 -5 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.24 0.07 -0.07 0.00
MONTH TO DATE 0.87 1.02 -0.15 1.40
SINCE MAR 1 3.75 2.87 0.88 2.30
SINCE JAN 1 4.25 3.56 0.69 3.75
SNOWFALL (IN)
YESTERDAY 0.0 T 1999 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 12 5 6
MONTH TO DATE 192 235 -43 253
SINCE MAR 1 1682 1794 -112 1690
SINCE JUL 1 7029 7672 -643 7274
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
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 2:00 AM
LOWEST 28 5:00 PM
AVERAGE 60
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 83 2006
MINIMUM TEMPERATURE (F) 40 30 1999
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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