Climatological Report (Daily)
Issued by NWS
Issued by NWS
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071
CDUS45 KRIW 120732
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT MON MAY 12 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 11 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM MM MM 68 2007 49 MM MM
MINIMUM MM MM 15 2022 25 MM MM
AVERAGE MM 37 MM MM
PRECIPITATION (IN)
YESTERDAY MM 0.20 2008 0.07 MM MM
MONTH TO DATE 0.00 0.71 -0.71 0.82
SINCE MAR 1 3.08 4.89 -1.81 6.15
SINCE JAN 1 6.78 8.39 -1.61 10.62
DEGREE DAYS
HEATING
YESTERDAY MM 28 MM MM
MONTH TO DATE 104 327 -223 336
SINCE MAR 1 1299 2773 -1474 2488
SINCE JUL 1 8219 10977 -2758 9962
COOLING
YESTERDAY MM 0 MM MM
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 70 2001
2007
MINIMUM TEMPERATURE (F) 25 17 2014
SUNRISE AND SUNSET
MAY 12 2025...........SUNRISE 5:57 AM MDT SUNSET 8:40 PM MDT
MAY 13 2025...........SUNRISE 5:56 AM MDT SUNSET 8:41 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$