657
CDUS45 KRIW 260745
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1245 AM MST THU FEB 26 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR FEBRUARY 25 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 38 1:59 PM 41 1999 29 9 MM
MINIMUM 25 8:13 PM -31 2003 2 23 MM
AVERAGE 32 16 16 MM
PRECIPITATION (IN)
YESTERDAY 0.07 0.40 2012 0.05 0.02 MM
MONTH TO DATE 1.74 1.53 0.21 2.16
SINCE DEC 1 8.77 5.68 3.09 5.03
SINCE JAN 1 3.35 3.33 0.02 3.70
DEGREE DAYS
HEATING
YESTERDAY 33 49 -16 MM
MONTH TO DATE 1103 1294 -191 693
SINCE DEC 1 3896 4549 -653 3813
SINCE JUL 1 6854 8056 -1202 6920
COOLING
YESTERDAY 0 0 0 MM
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 8.1
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 1:00 AM
LOWEST 40 3:00 PM
AVERAGE 66
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 29 43 2016
MINIMUM TEMPERATURE (F) 2 -33 2002
SUNRISE AND SUNSET
FEBRUARY 26 2026......SUNRISE 7:04 AM MST SUNSET 6:06 PM MST
FEBRUARY 27 2026......SUNRISE 7:02 AM MST SUNSET 6:07 PM MST
- 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