Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
452
CDUS41 KLWX 120624
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT SAT JUL 12 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JULY 11 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 91 2:34 PM 99 1936 90 1 95
1987
1988
MINIMUM 75 5:21 AM 54 1898 73 2 75
AVERAGE 83 81 2 85
PRECIPITATION (IN)
YESTERDAY 0.00 1.79 1906 0.14 -0.14 0.00
MONTH TO DATE 1.71 1.61 0.10 0.39
SINCE JUN 1 7.19 5.81 1.38 1.54
SINCE JAN 1 25.23 21.94 3.29 20.08
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 JUN 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 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 8 4 4 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 18 16 2 20
MONTH TO DATE 183 173 10 218
SINCE JUN 1 557 516 41 668
SINCE JAN 1 758 683 75 893
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 4:00 AM
LOWEST 52 1:00 PM
AVERAGE 73
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 99 1908
MINIMUM TEMPERATURE (F) 73 53 1895
SUNRISE AND SUNSET
JULY 12 2025..........SUNRISE 5:53 AM EDT SUNSET 8:34 PM EDT
JULY 13 2025..........SUNRISE 5:54 AM EDT SUNSET 8:33 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$