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
951
CDUS41 KLWX 100535
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
135 AM EDT THU OCT 10 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 9 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 72 3:36 PM 94 2007 70 2 65
MINIMUM 42 4:27 AM 26 2001 48 -6 40
AVERAGE 57 59 -2 53
PRECIPITATION (IN)
YESTERDAY 0.00 2.53 1976 0.12 -0.12 T
MONTH TO DATE 0.13 1.13 -1.00 0.18
SINCE SEP 1 3.40 5.07 -1.67 6.83
SINCE JAN 1 29.18 34.29 -5.11 26.05
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 T
SINCE JUL 1 0.0 0.0 0.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 7 1 12
MONTH TO DATE 18 51 -33 32
SINCE SEP 1 30 96 -66 48
SINCE JUL 1 32 97 -65 48
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 14 14 0 32
SINCE SEP 1 151 166 -15 248
SINCE JAN 1 1565 1222 343 1363
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 31 2:00 PM
AVERAGE 64
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 87 2017
MINIMUM TEMPERATURE (F) 48 31 1972
1978
SUNRISE AND SUNSET
OCTOBER 10 2024.......SUNRISE 7:15 AM EDT SUNSET 6:38 PM EDT
OCTOBER 11 2024.......SUNRISE 7:16 AM EDT SUNSET 6:36 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$