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
740
CDUS41 KLWX 160624
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT WED JUL 16 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JULY 15 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 90 3:55 PM 102 2024 90 0 102
MINIMUM 75 6:05 AM 56 1895 73 2 81
AVERAGE 83 81 2 92
PRECIPITATION (IN)
YESTERDAY 0.00 1.82 1921 0.15 -0.15 0.00
MONTH TO DATE 2.08 2.19 -0.11 0.59
SINCE JUN 1 7.56 6.39 1.17 1.74
SINCE JAN 1 25.60 22.52 3.08 20.28
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 MM
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 27
MONTH TO DATE 254 237 17 306
SINCE JUN 1 628 580 48 756
SINCE JAN 1 829 747 82 981
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 3:00 AM
LOWEST 54 4:00 PM
AVERAGE 74
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 104 1988
2024
MINIMUM TEMPERATURE (F) 73 56 1929
1930
SUNRISE AND SUNSET
JULY 16 2025..........SUNRISE 5:56 AM EDT SUNSET 8:32 PM EDT
JULY 17 2025..........SUNRISE 5:57 AM EDT SUNSET 8:31 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$