750
CDUS45 KRIW 210726
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT MON APR 21 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 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 MM MM 57 2010 42 MM MM
2016
MINIMUM MM MM -1 2023 18 MM MM
AVERAGE MM 30 MM MM
PRECIPITATION (IN)
YESTERDAY 0.00 0.40 2001 0.08 -0.08 0.00
MONTH TO DATE 0.00 1.59 -1.59 0.70
SINCE MAR 1 0.00 3.49 -3.49 5.01
SINCE JAN 1 3.70 6.99 -3.29 9.48
DEGREE DAYS
HEATING
YESTERDAY MM 35 MM MM
MONTH TO DATE MM 754 MM 605
SINCE MAR 1 MM 2112 MM 1973
SINCE JUL 1 6920 10316 -3396 9447
COOLING
YESTERDAY MM 0 MM MM
MONTH TO DATE MM 0 MM 0
SINCE MAR 1 MM 0 MM 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) 42 56 2009
2016
MINIMUM TEMPERATURE (F) 18 2 2002
SUNRISE AND SUNSET
APRIL 21 2025.........SUNRISE 6:27 AM MDT SUNSET 8:14 PM MDT
APRIL 22 2025.........SUNRISE 6:25 AM MDT SUNSET 8:16 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