CDUS45 KRIW 210730 CLIGEY CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 130 AM MDT TUE APR 21 2026 ................................... ...THE GREYBULL WY CLIMATE SUMMARY FOR APRIL 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 80R 4:07 PM 76 2009 61 19 58 2019 MINIMUM 32 4:15 AM 13 2008 34 -2 34 AVERAGE 56 48 8 46 PRECIPITATION (IN) YESTERDAY 0.00 0.48 2001 0.02 -0.02 T MONTH TO DATE 0.60 0.29 0.31 0.22 SINCE MAR 1 0.85 0.51 0.34 0.69 SINCE JAN 1 0.89 0.78 0.11 0.90 DEGREE DAYS HEATING YESTERDAY 9 17 -8 19 MONTH TO DATE 343 393 -50 393 SINCE MAR 1 926 1233 -307 1125 SINCE JUL 1 5314 7057 -1743 6610 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (130) AVERAGE WIND SPEED 3.8 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 54 6:00 AM LOWEST 8 4:00 PM AVERAGE 31 .......................................................... THE GREYBULL WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 61 80 2009 MINIMUM TEMPERATURE (F) 35 5 2008 SUNRISE AND SUNSET APRIL 21 2026.........SUNRISE 6:18 AM MDT SUNSET 8:05 PM MDT APRIL 22 2026.........SUNRISE 6:16 AM MDT SUNSET 8:06 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$RIW-102042