CXUS51 KLWX 012102 CLMIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 402 PM EST SUN NOV 01 2026 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2026 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 96 10/02/2019 LOW 15 10/24/1969 HIGHEST 89 10/02 83 6 84 10/14 LOWEST 36 10/19 27 9 30 10/22 10/24 AVG. MAXIMUM 71.8 67.8 4.0 69.3 AVG. MINIMUM 48.2 45.3 2.9 44.8 MEAN 60.0 56.6 3.4 57.0 DAYS MAX >= 90 0 0.2 -0.2 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 2.4 -2.4 1 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 9.22 2005 MINIMUM T 1963 TOTALS 3.61 3.65 -0.04 2.13 DAILY AVG. 0.12 0.12 0.00 0.07 DAYS >= .01 8 8.1 -0.1 11 DAYS >= .10 5 5.1 -0.1 6 DAYS >= .50 2 2.4 -0.4 2 DAYS >= 1.00 1 1.2 -0.2 0 GREATEST 24 HR. TOTAL 2.60 10/11 TO 10/12 1.16 STORM TOTAL 1.91 0.58 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL 1.3 1979 TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 MM DAYS >= TRACE 0 0.0 0.0 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 DEGREE DAYS HEATING TOTAL 189 284 -95 251 SINCE 7/1 210 329 -119 MM COOLING TOTAL 44 22 22 12 SINCE 1/1 1548 1230 318 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 5.3 HIGHEST WIND SPEED/DIRECTION 29/320 HIGHEST GUST SPEED/DIRECTION 41/320 SKY COVER AVERAGE SKY COVER 0.39 AVERAGE RH (PERCENT) 69 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 2 RAIN3 LIGHT RAIN 10 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 14 FOG W/VIS <= 1/4 MILE 1 HAZE 7 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$