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
552
CDUS41 KLWX 170625
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
225 AM EDT TUE JUN 17 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 16 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 68 4:27 PM 96 1991 83 -15 86
1994
MINIMUM 63 9:11 AM 47 1978 62 1 56
AVERAGE 66 73 -7 71
PRECIPITATION (IN)
YESTERDAY 0.38 2.82 2016 0.14 0.24 0.00
MONTH TO DATE 5.12 2.35 2.77 0.28
SINCE JUN 1 5.12 2.35 2.77 0.28
SINCE JAN 1 19.04 19.59 -0.55 17.58
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 15.5 21.0 -5.5 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 15 11 4 0
SINCE JUN 1 15 11 4 0
SINCE JUL 1 4106 4603 -497 3691
COOLING
YESTERDAY 1 8 -7 6
MONTH TO DATE 110 101 9 125
SINCE JUN 1 110 101 9 125
SINCE JAN 1 228 207 21 308
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 90 12:00 PM
AVERAGE 94
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 96 2022
MINIMUM TEMPERATURE (F) 63 46 1980
SUNRISE AND SUNSET
JUNE 17 2025..........SUNRISE 5:44 AM EDT SUNSET 8:38 PM EDT
JUNE 18 2025..........SUNRISE 5:44 AM EDT SUNSET 8:38 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$