719
CDUS45 KRIW 150731
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT THU MAY 15 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 14 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 43 2:50 PM 64 2006 50 -7 41
2013
MINIMUM 30 6:11 AM 16 1999 26 4 29
AVERAGE 37 38 -1 35
PRECIPITATION (IN)
YESTERDAY 0.11 0.32 2009 0.08 0.03 0.26
MONTH TO DATE 0.27 0.93 -0.66 1.08
SINCE MAR 1 3.35 5.11 -1.76 6.41
SINCE JAN 1 7.05 8.61 -1.56 10.88
DEGREE DAYS
HEATING
YESTERDAY 28 27 1 30
MONTH TO DATE 332 409 -77 366
SINCE MAR 1 1527 2855 -1328 2518
SINCE JUL 1 8447 11059 -2612 9992
COOLING
YESTERDAY 0 0 0 0
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 12 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 2.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 10:00 PM
LOWEST 44 3:00 PM
AVERAGE 68
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 50 65 2013
MINIMUM TEMPERATURE (F) 26 19 1999
SUNRISE AND SUNSET
MAY 15 2025...........SUNRISE 5:54 AM MDT SUNSET 8:43 PM MDT
MAY 16 2025...........SUNRISE 5:52 AM MDT SUNSET 8:44 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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