Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
482
CXUS51 KLWX 082335
CLMBWI
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
635 PM EST WED JAN 08 2025
...................................
...THE BALTIMORE MD CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
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 65 12/29 65 0 61
LOWEST 16 12/22 13 3 23
AVG. MAXIMUM 47.1 47.5 -0.4 52.2
AVG. MINIMUM 30.1 29.6 0.5 35.3
MEAN 38.6 38.6 -0.0 43.7
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 1 1.8 -0.8 0
DAYS MIN <= 32 22 20.6 1.4 13
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.06 2009
MINIMUM 0.20 1955
TOTALS 2.84 3.71 -0.87 7.16
DAILY AVG. 0.09 0.12 -0.03 0.23
DAYS >= .01 11 10.3 0.7 11
DAYS >= .10 7 6.3 0.7 7
DAYS >= .50 2 3.0 -1.0 5
DAYS >= 1.00 0 1.0 -1.0 3
GREATEST
24 HR. TOTAL 0.91 12/10 TO 12/11 2.69
STORM TOTAL 0.88 2.01
(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 5 1.5 3.5 3
DAYS >= 1.0 0 0.8 -0.8 0
GREATEST
SNOW DEPTH 0 0
DEGREE DAYS
HEATING TOTAL 810 820 -10 652
SINCE 7/1 1518 1660 -142 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 1622 1322 300 MM
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 6.3
HIGHEST WIND SPEED/DIRECTION 35/290
HIGHEST GUST SPEED/DIRECTION 49/260
SKY COVER
AVERAGE SKY COVER 0.65
AVERAGE RH (PERCENT) 65
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 2
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 4 SLEET 3
FOG 14 FOG W/VIS <= 1/4 MILE 3
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$