823
CDUS45 KRIW 190757
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
157 AM MDT MON MAY 19 2025
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR MAY 18 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 63 11:46 AM 87 2009 68 -5 72
MINIMUM 43 11:44 PM 32 2017 40 3 34
AVERAGE 53 54 -1 53
PRECIPITATION (IN)
YESTERDAY 0.10 0.74 0.07 0.03 0.00
MONTH TO DATE 0.97 1.15 -0.18 1.40
SINCE MAR 1 3.85 3.00 0.85 2.30
SINCE JAN 1 4.35 3.69 0.66 3.75
SNOWFALL (IN)
YESTERDAY 0.0 4.2 2017 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 12 11 1 12
MONTH TO DATE 214 258 -44 269
SINCE MAR 1 1704 1817 -113 1706
SINCE JUL 1 7051 7695 -644 7290
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 28 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 11.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 42 12:00 PM
AVERAGE 68
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 89 2009
MINIMUM TEMPERATURE (F) 41 31 2003
2019
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.
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