Climatological Report (Monthly)
Issued by NWS
Issued by NWS
721 CXUS56 KPDT 011517 CLMHRI CLIMATE REPORT NATIONAL WEATHER SERVICE PENDLETON, OR 717 AM PST MON JAN 01 2024 ................................... ...THE HERMISTON OR CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1906 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 72 12/08/2015 LOW -34 12/12/1919 HIGHEST 60 12/05 61 12/27 LOWEST 19 12/01 2 12/22 AVG. MAXIMUM 44.6 42.1 2.5 35.8 AVG. MINIMUM 34.2 28.2 6.0 21.9 MEAN 39.4 35.2 4.2 28.9 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 6.1 -6.1 14 DAYS MIN <= 32 11 23.3 -12.3 29 DAYS MIN <= 0 0 0.8 -0.8 0 PRECIPITATION (INCHES) RECORD MAXIMUM 3.53 1964 MINIMUM 0.07 1990 TOTALS 1.36 1.12 0.24 1.38 DAILY AVG. 0.04 0.04 0.00 0.04 DAYS >= .01 15 10.5 4.5 13 DAYS >= .10 4 3.9 0.1 5 DAYS >= .50 0 0.3 -0.3 0 DAYS >= 1.00 0 0.0 0.0 0 GREATEST 24 HR. TOTAL 0.27 12/06 TO 12/06 0.35 12/30 TO 12/30 DEGREE DAYS HEATING TOTAL 786 925 -139 1112 SINCE 7/1 1477 2097 -620 COOLING TOTAL 0 0 0 0 SINCE 1/1 1101 842 259 ................................................................ WIND (MPH) AVERAGE WIND SPEED 4.4 RESULTANT WIND SPEED/DIRECTION 1/200 HIGHEST WIND SPEED/DIRECTION 28/230 DATE 12/02 HIGHEST GUST SPEED/DIRECTION 37/250 DATE 12/07 37/250 12/22 AVERAGE RH (PERCENT) 85 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 4 LIGHT RAIN 16 FREEZING RAIN 1 LT FREEZING RAIN 1 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 1 SLEET 0 FOG 20 FOG W/VIS <= 1/4 MILE 5 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$