609
CDUS45 KRIW 090730
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT THU JUL 09 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 8 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 76 5:04 PM 81 2025 71 5 81
MINIMUM 41 5:26 AM 31 2010 38 3 36
AVERAGE 59 54 5 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.27 2001 0.05 -0.05 0.00
MONTH TO DATE 0.14 0.39 -0.25 0.13
SINCE JUN 1 2.25 2.77 -0.52 0.78
SINCE JAN 1 10.49 12.80 -2.31 10.01
DEGREE DAYS
HEATING
YESTERDAY 6 11 -5 6
MONTH TO DATE 76 95 -19 76
SINCE JUN 1 590 633 -43 518
SINCE JUL 1 76 95 -19 76
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 2.5
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 86 5:00 AM
LOWEST 15 5:00 PM
AVERAGE 51
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 83 2018
MINIMUM TEMPERATURE (F) 38 30 2004
SUNRISE AND SUNSET
JULY 9 2026..........SUNRISE 5:46 AM MDT SUNSET 9:07 PM MDT
JULY 10 2026..........SUNRISE 5:47 AM MDT SUNSET 9:07 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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