077
CDUS45 KRIW 270729
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 AM MST FRI FEB 27 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR FEBRUARY 26 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 33 4:00 PM 43 2016 29 4 MM
MINIMUM 16 7:49 AM -33 2002 2 14 MM
AVERAGE 25 16 9 MM
PRECIPITATION (IN)
YESTERDAY 0.00 0.68 2024 0.06 -0.06 0.00
MONTH TO DATE 1.74 1.59 0.15 2.16
SINCE DEC 1 8.77 5.74 3.03 5.03
SINCE JAN 1 3.35 3.39 -0.04 3.70
DEGREE DAYS
HEATING
YESTERDAY 40 49 -9 MM
MONTH TO DATE 1143 1343 -200 693
SINCE DEC 1 3936 4598 -662 3813
SINCE JUL 1 6894 8105 -1211 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 13 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 3.7
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 3:00 AM
LOWEST 49 1:00 PM
AVERAGE 71
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 42 2014
MINIMUM TEMPERATURE (F) 3 -19 2022
SUNRISE AND SUNSET
FEBRUARY 27 2026......SUNRISE 7:02 AM MST SUNSET 6:07 PM MST
FEBRUARY 28 2026......SUNRISE 7:00 AM MST SUNSET 6:08 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