


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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235 CDUS45 KRIW 040727 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 127 AM MDT FRI APR 04 2025 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 3 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 MM MM 51 2024 38 MM 51 MINIMUM MM MM -17 2018 13 MM 20 AVERAGE MM 26 MM 36 PRECIPITATION (IN) YESTERDAY MM 0.33 2009 0.07 MM 0.00 MONTH TO DATE T 0.23 -0.23 0.00 SINCE MAR 1 0.00 2.13 -2.13 4.31 SINCE JAN 1 3.70 5.63 -1.93 8.78 DEGREE DAYS HEATING YESTERDAY MM 39 MM 29 MONTH TO DATE MM 119 MM 109 SINCE MAR 1 MM 1477 MM 1477 SINCE JUL 1 6920 9681 -2761 8951 COOLING YESTERDAY MM 0 MM 0 MONTH TO DATE MM 0 MM 0 SINCE MAR 1 MM 0 MM 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED MM SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER MM WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST MM LOWEST MM AVERAGE MM .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 38 52 2013 2024 MINIMUM TEMPERATURE (F) 13 -5 2008 2010 SUNRISE AND SUNSET APRIL 4 2025.........SUNRISE 6:56 AM MDT SUNSET 7:53 PM MDT APRIL 5 2025.........SUNRISE 6:55 AM MDT SUNSET 7:55 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$