799
CDUS45 KRIW 140731
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT THU MAY 14 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 13 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 72R 11:26 AM 70 2013 50 22 51
MINIMUM 31 5:43 AM 12 2014 26 5 31
AVERAGE 52 38 14 41
PRECIPITATION (IN)
YESTERDAY 0.02 0.17 2020 0.07 -0.05 0.01
MONTH TO DATE 0.08 0.85 -0.77 0.16
SINCE MAR 1 4.00 5.03 -1.03 3.24
SINCE JAN 1 7.35 8.53 -1.18 6.94
DEGREE DAYS
HEATING
YESTERDAY 13 27 -14 24
MONTH TO DATE 286 382 -96 304
SINCE MAR 1 2358 2828 -470 1499
SINCE JUL 1 9328 11032 -1704 8419
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 21 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 3.5
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 85 9:00 PM
LOWEST 32 4:00 PM
AVERAGE 59
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 50 64 2006
2013
MINIMUM TEMPERATURE (F) 26 16 1999
SUNRISE AND SUNSET
MAY 14 2026...........SUNRISE 5:55 AM MDT SUNSET 8:42 PM MDT
MAY 15 2026...........SUNRISE 5:54 AM MDT SUNSET 8:43 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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