Climatological Report (Monthly)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
268 CXUS56 KPQR 011630 CLMPDX CLIMATE REPORT NATIONAL WEATHER SERVICE PORTLAND OREGON 830 AM PST MON JAN 01 2024 ................................... ...THE PORTLAND OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1940 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) HIGHEST 67R 55 12/27 12/30 LOWEST 30 20 12/22 12/23 AVG. MAXIMUM 51.4 46.9 4.5 43.8 AVG. MINIMUM 40.9 36.2 4.7 34.1 MEAN 46.1 41.6 4.5 39.0 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.6 -0.6 2 DAYS MIN <= 32 3 8.4 -5.4 10 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 15.24 2015 MINIMUM 1.38 1976 TOTALS 8.73 5.77 2.96 7.76 DAYS >= .01 20 19.2 0.8 16 DAYS >= .10 13 13.0 0.0 13 DAYS >= .50 7 3.8 3.2 7 DAYS >= 1.00 2 0.9 1.1 2 GREATEST 24 HR. TOTAL 2.14 12/05 TO 12/06 SNOWFALL (INCHES) TOTALS 0.0 SINCE 7/1 0.0 DEGREE DAYS HEATING TOTAL 578 727 -149 798 SINCE 7/1 1364 1638 -274 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 898 508 390 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.1 RESULTANT WIND SPEED/DIRECTION 6/130 HIGHEST WIND SPEED/DIRECTION 30/100 DATE 12/27 HIGHEST GUST SPEED/DIRECTION 38/200 DATE 12/02 38/100 12/27 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.82 NUMBER OF DAYS FAIR 1 NUMBER OF DAYS PC 7 NUMBER OF DAYS CLOUDY 23 AVERAGE RH (PERCENT) 77 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 9 LIGHT RAIN 22 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 23 FOG W/VIS <= 1/4 MILE 7 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$