CDUS45 KRIW 160728 CLIP60 CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 128 AM MDT FRI OCT 16 2026 ................................... ...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 15 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 50 3:13 PM 65 2024 46 4 48 MINIMUM 24 7:00 AM 3 2018 22 2 34 AVERAGE 37 34 3 41 PRECIPITATION (IN) YESTERDAY 0.00 0.53 2020 0.06 -0.06 0.45 MONTH TO DATE 1.55 0.85 0.70 2.41 SINCE SEP 1 3.26 2.42 0.84 3.87 SINCE JAN 1 17.18 17.68 -0.50 15.58 DEGREE DAYS HEATING YESTERDAY 28 31 -3 24 MONTH TO DATE 304 421 -117 374 SINCE SEP 1 811 1009 -198 858 SINCE JUL 1 1179 1651 -472 1374 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 0 0 0 0 SINCE JAN 1 2 0 2 1 ................................................................... WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 2.7 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 96 6:00 AM LOWEST 25 2:00 PM AVERAGE 61 .......................................................... THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 45 63 2024 MINIMUM TEMPERATURE (F) 22 13 2018 SUNRISE AND SUNSET OCTOBER 16 2026.......SUNRISE 7:38 AM MDT SUNSET 6:35 PM MDT OCTOBER 17 2026.......SUNRISE 7:40 AM MDT SUNSET 6:34 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$