Climatological Report (Monthly)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
000 CXUS56 KPQR 011536 CLMHIO CLIMATE REPORT NATIONAL WEATHER SERVICE PORTLAND OREGON 836 AM PDT SUN OCT 01 2023 ................................... ...THE HILLSBORO OR CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1929 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) HIGHEST 94 94 09/06 LOWEST 43 40 09/23 AVG. MAXIMUM 74.5 76.4 -1.9 80.2 AVG. MINIMUM 50.2 47.5 2.7 50.5 MEAN 62.3 62.0 0.3 65.3 DAYS MAX >= 90 2 2.3 -0.3 4 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.1 -0.1 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 6.27 2013 MINIMUM 0.00 1975 TOTALS 2.21 1.38 0.83 0.34 DAYS >= .01 7 7.6 -0.6 3 DAYS >= .10 5 3.3 1.7 1 DAYS >= .50 1 0.6 0.4 0 DAYS >= 1.00 0 0.1 -0.1 0 GREATEST 24 HR. TOTAL 1.06 09/24 TO 09/25 DEGREE DAYS HEATING TOTAL 109 124 -15 42 SINCE 7/1 121 196 -75 MM COOLING TOTAL 38 33 5 62 SINCE 1/1 511 274 237 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 4.3 RESULTANT WIND SPEED/DIRECTION 1/300 HIGHEST WIND SPEED/DIRECTION 31/140 DATE 09/27 HIGHEST GUST SPEED/DIRECTION 37/130 DATE 09/27 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.42 AVERAGE RH (PERCENT) 69 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 3 LIGHT RAIN 10 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 7 FOG W/VIS <= 1/4 MILE 1 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$