


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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504 CDUS45 KBOU 210732 CLIAPA CLIMATE REPORT NATIONAL WEATHER SERVICE DENVER/BOULDER 132 AM MDT SUN SEP 21 2025 ................................... ...THE CENTENNIAL CO CLIMATE SUMMARY FOR SEPTEMBER 20 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 9999 TO 9999 WEATHER ITEM OBSERVED NORMAL DEPARTURE LAST VALUE VALUE FROM YEAR NORMAL ................................................ TEMPERATURE (F) YESTERDAY MAXIMUM 79 76 3 87 MINIMUM 50 47 3 54 AVERAGE 65 61 4 71 PRECIPITATION (IN) YESTERDAY 0.03 MM 0.00 MONTH TO DATE 0.35 0.00 0.66 SINCE OCT 1 12.67 13.73 12.68 SINCE JAN 1 10.77 11.85 11.59 DEGREE DAYS HEATING YESTERDAY 0 MONTH TO DATE 38 COOLING YESTERDAY 0 MONTH TO DATE 62 ................................................ WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (310) SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 72 LOWEST 23 AVERAGE 48 .......................................................... THE CENTENNIAL CO CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 MM MM MINIMUM TEMPERATURE (F) 47 MM MM SUNRISE AND SUNSET SEPTEMBER 21 2025.....SUNRISE 646 AM MDT SUNSET 657 PM MDT SEPTEMBER 22 2025.....SUNRISE 647 AM MDT SUNSET 656 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$