


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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426 CDUS45 KRIW 010728 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 128 AM MDT TUE JUL 01 2025 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JUNE 30 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 74 3:05 PM 80 2015 68 6 78 MINIMUM 34 5:21 AM 29 2014 36 -2 41 2017 AVERAGE 54 52 2 60 PRECIPITATION (IN) YESTERDAY 0.00 0.44 2008 0.06 -0.06 0.00 MONTH TO DATE 0.65 2.38 -1.73 1.24 SINCE JUN 1 0.65 2.38 -1.73 1.24 SINCE JAN 1 9.88 12.41 -2.53 13.44 DEGREE DAYS HEATING YESTERDAY 11 13 -2 5 MONTH TO DATE 442 538 -96 429 SINCE JUN 1 442 538 -96 429 SINCE JUL 1 9274 12011 -2737 10831 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 8 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (120) AVERAGE WIND SPEED 2.3 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 5:00 AM LOWEST 30 7:00 PM AVERAGE 58 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 82 2001 MINIMUM TEMPERATURE (F) 36 29 2014 SUNRISE AND SUNSET JULY 1 2025..........SUNRISE 5:41 AM MDT SUNSET 9:10 PM MDT JULY 2 2025..........SUNRISE 5:41 AM MDT SUNSET 9:10 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$