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Climatological Report (Monthly)
Issued by NWS Sterling, VA

000
CXUS51 KLWX 030002
CLMBWI

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
802 PM EDT MON OCT 02 2023

...................................

...THE BALTIMORE MD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            101   09/07/1881
 LOW              35   09/25/1963
HIGHEST          100   09/06         92       8       91
LOWEST            52   09/20         43       9       47
AVG. MAXIMUM    81.4               79.7     1.7     80.8
AVG. MINIMUM    62.3               58.8     3.5     60.4
MEAN            71.9               69.2     2.7     70.6
DAYS MAX >= 90     6                2.8     3.2        2
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       13.32   2011
 MINIMUM        0.09   1884
TOTALS          6.27               4.44    1.83     3.35
DAILY AVG.      0.21               0.15    0.06     0.11
DAYS >= .01       12                9.1     2.9        8
DAYS >= .10        6                5.7     0.3        6
DAYS >= .50        5                2.7     2.3        2
DAYS >= 1.00       4                1.1     2.9        2
GREATEST
 24 HR. TOTAL   1.69   09/08 TO 09/09               1.47
 STORM TOTAL    1.60                                1.38
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
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     13                 36     -23       24
 SINCE 7/1        13                 33     -20       MM
COOLING TOTAL    225                163      62      200
 SINCE 1/1      1412               1297     115       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    26/060
HIGHEST GUST SPEED/DIRECTION    40/070

SKY COVER
AVERAGE SKY COVER           0.58

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               14     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      0
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

AFTER RECORD HEAT TO BEGIN THE MONTH, SEPTEMBER WOUND UP JUST OVER 2.5
DEGREES ABOVE NORMAL. THUNDERSTORMS JUST AFTER THE EARLY MONTH HEAT
BROKE, AND THE REMNANTS OF TROPICAL STORM OPHELIA LATE IN THE MONTH
HELPED PUSH MONTHLY PRECIPITATION ABOVE NORMAL.

$$

DHOF