Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 210632
CLIBWI
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
232 AM EDT SUN SEP 21 2025
...................................
...THE BALTIMORE MD CLIMATE SUMMARY FOR SEPTEMBER 20 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 3:20 PM 92 1983 78 -3 85
MINIMUM 67 11:59 PM 42 1956 57 10 61
1959
2020
AVERAGE 71 68 3 73
PRECIPITATION (IN)
YESTERDAY 0.00 1.75 1966 0.15 -0.15 0.00
MONTH TO DATE 2.57 2.93 -0.36 0.30
SINCE SEP 1 2.57 2.93 -0.36 0.30
SINCE JAN 1 29.70 32.71 -3.01 29.62
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 6 8 -2 7
SINCE SEP 1 6 8 -2 7
SINCE JUL 1 8 8 0 7
COOLING
YESTERDAY 6 4 2 8
MONTH TO DATE 92 132 -40 108
SINCE SEP 1 92 132 -40 108
SINCE JAN 1 1327 1266 61 1570
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 9.7
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 8:00 PM
LOWEST 54 4:00 AM
AVERAGE 68
..........................................................
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1895
1931
MINIMUM TEMPERATURE (F) 57 37 1956
1962
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 6:54 AM EDT SUNSET 7:05 PM EDT
SEPTEMBER 22 2025.....SUNRISE 6:55 AM EDT SUNSET 7:03 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$