Climatological Report (Monthly)
Issued by NWS Sterling, VA

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938 CXUS51 KLWX 041529 CLMBWI CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1029 AM EST THU JAN 04 2024 ................................... ...THE BALTIMORE MD CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 77 12/07/1998 12/06/1998 12/29/1984 LOW -3 12/30/1880 HIGHEST 61 12/10 65 -4 66 LOWEST 23 12/14 13 10 6 12/20 AVG. MAXIMUM 52.2 47.5 4.7 48.0 AVG. MINIMUM 35.3 29.6 5.7 27.1 MEAN 43.7 38.6 5.1 37.5 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 1.8 -1.8 2 DAYS MIN <= 32 13 20.6 -7.6 22 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 8.06 2009 MINIMUM 0.20 1955 TOTALS 7.16 3.71 3.45 4.80 DAILY AVG. 0.23 0.12 0.11 0.15 DAYS >= .01 11 10.3 0.7 8 DAYS >= .10 7 6.3 0.7 7 DAYS >= .50 5 3.0 2.0 2 DAYS >= 1.00 3 1.0 2.0 2 GREATEST 24 HR. TOTAL 2.69 12/17 TO 12/18 2.32 STORM TOTAL 2.01 2.07 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL 20.4 1966 TOTALS T 2.5 -2.5 T SINCE 7/1 T 2.6 -2.6 MM DAYS >= TRACE 3 1.5 1.5 2 DAYS >= 1.0 0 0.8 -0.8 0 GREATEST SNOW DEPTH 0 0 DEGREE DAYS HEATING TOTAL 652 820 -168 846 SINCE 7/1 1361 1660 -299 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 1469 1322 147 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 5.8 HIGHEST WIND SPEED/DIRECTION 32/300 HIGHEST GUST SPEED/DIRECTION 47/310 SKY COVER AVERAGE SKY COVER 0.66 AVERAGE RH (PERCENT) 70 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 6 LIGHT RAIN 13 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 3 SLEET 0 FOG 13 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. $$