Climatological Report (Monthly)
Issued by NWS Sterling, VA

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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.

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