Climatological Report (Monthly)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
457 CXUS56 KPQR 011605 CLMPDX CLIMATE REPORT NATIONAL WEATHER SERVICE PORTLAND OREGON 805 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 51.6 46.9 4.7 43.8 AVG. MINIMUM 41.0 36.2 4.8 34.1 MEAN 46.3 41.6 4.7 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 555 727 -172 798 SINCE 7/1 1341 1638 -297 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 898 508 390 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.3 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 0.81 NUMBER OF DAYS FAIR 1 NUMBER OF DAYS PC 7 NUMBER OF DAYS CLOUDY 22 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 22 FOG W/VIS <= 1/4 MILE 6 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$