CDUS45 KRIW 210732 CLIBYG CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 132 AM MDT MON SEP 21 2026 ................................... ...THE BUFFALO WY CLIMATE SUMMARY FOR SEPTEMBER 20 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 55 3:31 PM 81 2007 70 -15 76 2024 MINIMUM 51 11:59 PM 34 2000 46 5 53 AVERAGE 53 58 -5 65 PRECIPITATION (IN) YESTERDAY 0.41 0.43 1998 0.05 0.36 0.00 MONTH TO DATE 1.11 0.73 0.38 0.67 SINCE SEP 1 1.11 0.73 0.38 0.67 SINCE JAN 1 4.65 10.57 -5.92 9.02 DEGREE DAYS HEATING YESTERDAY 12 8 4 0 MONTH TO DATE 58 108 -50 69 SINCE SEP 1 58 108 -50 69 SINCE JUL 1 76 165 -89 110 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 54 50 4 31 SINCE SEP 1 54 50 4 31 SINCE JAN 1 676 518 158 476 ................................................................... WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (350) AVERAGE WIND SPEED 8.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 8:00 AM LOWEST 89 10:00 PM AVERAGE 95 .......................................................... THE BUFFALO WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 70 85 2013 2015 MINIMUM TEMPERATURE (F) 45 31 2000 SUNRISE AND SUNSET SEPTEMBER 21 2026.....SUNRISE 6:53 AM MDT SUNSET 7:06 PM MDT SEPTEMBER 22 2026.....SUNRISE 6:54 AM MDT SUNSET 7:04 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$