


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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335 CDUS45 KRIW 080729 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 129 AM MDT TUE JUL 08 2025 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JULY 7 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 75 2:00 PM 81 2021 70 5 68 MINIMUM 35 MM 29 2010 37 -2 39 AVERAGE 55 54 1 54 PRECIPITATION (IN) YESTERDAY 0.00 0.27 2006 0.05 -0.05 0.00 MONTH TO DATE 0.13 0.34 -0.21 0.11 SINCE JUN 1 0.78 2.72 -1.94 1.35 SINCE JAN 1 10.01 12.75 -2.74 13.55 DEGREE DAYS HEATING YESTERDAY 10 11 -1 11 MONTH TO DATE 70 84 -14 109 SINCE JUN 1 512 622 -110 538 SINCE JUL 1 70 84 -14 109 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 6 HIGHEST WIND DIRECTION E (99) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 1.9 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 85 4:00 AM LOWEST 17 7:00 PM AVERAGE 51 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 71 80 2014 2018 2022 MINIMUM TEMPERATURE (F) 38 31 2010 SUNRISE AND SUNSET JULY 8 2025..........SUNRISE 5:45 AM MDT SUNSET 9:08 PM MDT JULY 9 2025..........SUNRISE 5:46 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. $$