433
CDUS45 KRIW 170728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST SAT JAN 17 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JANUARY 16 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 20 3:17 PM 37 2000 23 -3 35
MINIMUM 1 11:59 PM -25 2008 1 0 5
2024
AVERAGE 11 12 -1 20
PRECIPITATION (IN)
YESTERDAY 0.00 0.35 2020 0.05 -0.05 0.00
MONTH TO DATE 1.54 1.01 0.53 1.18
SINCE DEC 1 6.96 3.36 3.60 2.51
SINCE JAN 1 1.54 1.01 0.53 1.18
DEGREE DAYS
HEATING
YESTERDAY 54 53 1 45
MONTH TO DATE 712 848 -136 805
SINCE DEC 1 1999 2460 -461 2176
SINCE JUL 1 4957 5967 -1010 5283
COOLING
YESTERDAY 0 0 0 0
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 9 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 22 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 87 9:00 PM
LOWEST 44 12:00 PM
AVERAGE 66
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 23 33 2011
MINIMUM TEMPERATURE (F) 1 -23 2001
SUNRISE AND SUNSET
JANUARY 17 2026.......SUNRISE 7:54 AM MST SUNSET 5:10 PM MST
JANUARY 18 2026.......SUNRISE 7:53 AM MST SUNSET 5:12 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