656
CDUS45 KRIW 210733
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT WED MAY 21 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 20 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 44 4:42 PM 66 2002 52 -8 44
MINIMUM 27 6:05 AM 17 2003 28 -1 22
AVERAGE 36 40 -4 33
PRECIPITATION (IN)
YESTERDAY 0.49R 0.28 2005 0.08 0.41 0.00
MONTH TO DATE 2.26 1.39 0.87 1.08
SINCE MAR 1 5.34 5.57 -0.23 6.41
SINCE JAN 1 9.04 9.07 -0.03 10.88
DEGREE DAYS
HEATING
YESTERDAY 29 25 4 32
MONTH TO DATE 504 564 -60 488
SINCE MAR 1 1699 3010 -1311 2640
SINCE JUL 1 8619 11214 -2595 10114
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 (290)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 1.3
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 96 8:00 PM
LOWEST 53 5:00 PM
AVERAGE 75
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 52 68 2012
MINIMUM TEMPERATURE (F) 28 17 2001
SUNRISE AND SUNSET
MAY 21 2025...........SUNRISE 5:48 AM MDT SUNSET 8:50 PM MDT
MAY 22 2025...........SUNRISE 5:47 AM MDT SUNSET 8:51 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page