578
CDUS45 KRIW 140730
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT WED MAY 14 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 13 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 70 2013 50 MM MM
MINIMUM MM MM 12 2014 26 MM MM
AVERAGE MM 38 MM MM
PRECIPITATION (IN)
YESTERDAY MM 0.17 2020 0.07 MM MM
MONTH TO DATE 0.15 0.85 -0.70 0.82
SINCE MAR 1 3.23 5.03 -1.80 6.15
SINCE JAN 1 6.93 8.53 -1.60 10.62
DEGREE DAYS
HEATING
YESTERDAY MM 27 MM MM
MONTH TO DATE 280 382 -102 336
SINCE MAR 1 1475 2828 -1353 2488
SINCE JUL 1 8395 11032 -2637 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) 50 64 2006
2013
MINIMUM TEMPERATURE (F) 26 16 1999
SUNRISE AND SUNSET
MAY 14 2025...........SUNRISE 5:55 AM MDT SUNSET 8:42 PM MDT
MAY 15 2025...........SUNRISE 5:54 AM MDT SUNSET 8:43 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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