Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 170733
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT THU JUL 17 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 16 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 72 4:09 PM 85 2003 73 -1 76
MINIMUM 43 11:59 PM 33 2010 39 4 39
2020
AVERAGE 58 56 2 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.14 2012 0.05 -0.05 0.04
MONTH TO DATE 0.28 0.78 -0.50 0.31
SINCE JUN 1 0.93 3.16 -2.23 1.55
SINCE JAN 1 10.16 13.19 -3.03 13.75
DEGREE DAYS
HEATING
YESTERDAY 7 9 -2 7
MONTH TO DATE 120 172 -52 156
SINCE JUN 1 562 710 -148 585
SINCE JUL 1 120 172 -52 156
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 1 0 1 0
SINCE JAN 1 1 0 1 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 1.8
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 100 12:00 AM
LOWEST 30 5:00 PM
AVERAGE 65
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 82 2006
2022
MINIMUM TEMPERATURE (F) 39 30 2016
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 5:53 AM MDT SUNSET 9:02 PM MDT
JULY 18 2025..........SUNRISE 5:54 AM MDT SUNSET 9:01 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$