417
CDUS41 KLWX 130540
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
140 AM EDT WED SEP 13 2023
...............................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 12 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 88 3:48 PM 98 2019 82 6 84
MINIMUM 71 5:01 AM 41 1917 66 5 73
AVERAGE 80 74 6 79
PRECIPITATION (IN)
YESTERDAY T 4.02 1934 0.13 -0.13 0.11
MONTH TO DATE 1.30 1.54 -0.24 1.90
SINCE SEP 1 1.30 1.54 -0.24 1.90
SINCE JAN 1 23.79 29.45 -5.66 33.85
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 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 15 9 6 14
MONTH TO DATE 197 127 70 157
SINCE SEP 1 197 127 70 157
SINCE JAN 1 1563 1579 -16 1665
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 3:00 AM
LOWEST 50 4:00 PM
AVERAGE 69
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 94 1915
1925
MINIMUM TEMPERATURE (F) 65 44 1917
SUNRISE AND SUNSET
SEPTEMBER 13 2023.....SUNRISE 6:48 AM EDT SUNSET 7:20 PM EDT
SEPTEMBER 14 2023.....SUNRISE 6:48 AM EDT SUNSET 7:18 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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