


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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954 CDUS45 KBOU 180734 CLIBDU CLIMATE REPORT NATIONAL WEATHER SERVICE 134 AM MDT WED JUN 18 2025 ................................... ...THE BOULDER AIRPORT CLIMATE SUMMARY FOR JUNE 17 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 68 83 -15 88 MINIMUM 52 52 0 55 AVERAGE 60 67 -7 72 DEGREE DAYS HEATING YESTERDAY 5 MONTH TO DATE 39 COOLING YESTERDAY 0 MONTH TO DATE 66 ................................................ WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (10) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340) SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST MM LOWEST MM AVERAGE MM .......................................................... THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 MM MM MINIMUM TEMPERATURE (F) 52 MM MM SUNRISE AND SUNSET JUNE 18 2025..........SUNRISE 532 AM MDT SUNSET 833 PM MDT JUNE 19 2025..........SUNRISE 532 AM MDT SUNSET 833 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$