


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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107 CDUS45 KRIW 210732 CLIBYG CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 132 AM MDT MON JUL 21 2025 ................................... ...THE BUFFALO WY CLIMATE SUMMARY FOR JULY 20 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 88 2:25 PM 100 2017 86 2 87 MINIMUM 57 5:03 AM 52 2000 59 -2 58 AVERAGE 73 72 1 73 PRECIPITATION (IN) YESTERDAY 0.00 0.53 2009 0.05 -0.05 0.05 MONTH TO DATE 0.65 1.08 -0.43 0.90 SINCE JUN 1 1.93 3.15 -1.22 1.61 SINCE JAN 1 6.27 8.54 -2.27 6.16 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 19 15 4 39 SINCE JUN 1 147 165 -18 141 SINCE JUL 1 19 15 4 39 COOLING YESTERDAY 8 8 0 8 MONTH TO DATE 146 125 21 136 SINCE JUN 1 205 182 23 208 SINCE JAN 1 216 189 27 208 ................................................................... WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 9.9 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 67 11:00 PM LOWEST 28 5:00 PM AVERAGE 48 .......................................................... THE BUFFALO WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 99 2007 2016 MINIMUM TEMPERATURE (F) 59 50 2009 SUNRISE AND SUNSET JULY 21 2025..........SUNRISE 5:43 AM MDT SUNSET 8:43 PM MDT JULY 22 2025..........SUNRISE 5:44 AM MDT SUNSET 8:42 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$