Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
214
CXUS51 KLWX 011016
CLMBWI
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
616 AM EDT WED OCT 01 2025
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...THE BALTIMORE MD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
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 101 09/07/1881
LOW 35 09/25/1963
HIGHEST 91 09/06 92 -1 89
LOWEST 49 09/08 43 6 46
AVG. MAXIMUM 79.5 79.7 -0.2 78.4
AVG. MINIMUM 60.4 58.8 1.6 60.4
MEAN 70.0 69.2 0.8 69.4
DAYS MAX >= 90 1 2.8 -1.8 0
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 3.15 4.44 -1.29 2.03
DAILY AVG. 0.11 0.15 -0.04 0.07
DAYS >= .01 12 9.1 2.9 13
DAYS >= .10 8 5.7 2.3 8
DAYS >= .50 2 2.7 -0.7 0
DAYS >= 1.00 0 1.1 -1.1 0
GREATEST
24 HR. TOTAL 1.27 09/06 TO 09/07 0.52
STORM TOTAL 0.74 0.45
(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 6 36 -30 9
SINCE 7/1 8 33 -25 MM
COOLING TOTAL 160 163 -3 146
SINCE 1/1 1395 1297 98 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.2
HIGHEST WIND SPEED/DIRECTION 21/090
21/130
HIGHEST GUST SPEED/DIRECTION 30/230
SKY COVER
AVERAGE SKY COVER 0.59
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 4
LIGHT RAIN 13 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 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$