Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS56 KSEW 011050 CLMBLI CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 350 AM PDT SUN OCT 01 2023 ................................... ...THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1949 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 89 09/20/1974 09/14/1951 LOW 28 09/27/1972 HIGHEST 79 09/02 MM MM 83 09/09 LOWEST 37 09/30 MM MM 42 09/19 09/21 AVG. MAXIMUM 68.4 68.1 0.3 72.2 AVG. MINIMUM 49.4 49.6 -0.2 50.3 MEAN 58.9 58.9 0.0 61.3 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 4.73 2019 MINIMUM 0.00 2012 TOTALS 1.15 2.01 -0.86 T DAILY AVG. 0.04 0.07 -0.03 T DAYS >= .01 0 11.0 -11.0 0 DAYS >= .10 0 5.3 -5.3 0 DAYS >= .50 0 1.0 -1.0 0 DAYS >= 1.00 0 0.0 0.0 0 GREATEST 24 HR. TOTAL 0.35 09/24 TO 09/25 DEGREE DAYS HEATING TOTAL 178 189 -11 107 SINCE 7/1 248 321 -73 MM COOLING TOTAL 1 4 -3 1 SINCE 1/1 111 75 36 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.0 HIGHEST WIND SPEED/DIRECTION 29/160 DATE 09/25 HIGHEST GUST SPEED/DIRECTION 42/150 DATE 09/25 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.41 NUMBER OF DAYS FAIR 14 NUMBER OF DAYS PC 11 NUMBER OF DAYS CLOUDY 5 AVERAGE RH (PERCENT) 80 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 13 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 20 FOG W/VIS <= 1/4 MILE 10 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$