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
214
CDUS41 KLWX 302128
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
528 PM EDT TUE APR 30 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 30 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 88R 2:41 PM 86 1974 72 16 65
2007
2017
MINIMUM 61 4:30 AM 29 1977 48 13 52
AVERAGE 75 60 15 59
PRECIPITATION (IN)
TODAY 0.00 3.99 2014 0.13 -0.13 1.03
MONTH TO DATE 1.60 3.47 -1.87 3.30
SINCE MAR 1 5.49 6.97 -1.48 4.87
SINCE JAN 1 12.94 12.52 0.42 8.50
SNOWFALL (IN)
TODAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE T 0.1 -0.1 0.0
SINCE MAR 1 T 4.0 -4.0 T
SINCE JUL 1 11.7 21.0 -9.3 0.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 6 -6 6
MONTH TO DATE 215 320 -105 213
SINCE MAR 1 679 967 -288 783
SINCE JUL 1 3643 4477 -834 3747
COOLING
TODAY 10 1 9 0
MONTH TO DATE 44 20 24 44
SINCE MAR 1 44 22 22 45
SINCE JAN 1 47 22 25 45
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 5:00 AM
LOWEST 36 3:00 PM
AVERAGE 53
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 2010
MINIMUM TEMPERATURE (F) 48 33 1996
SUNRISE AND SUNSET
APRIL 30 2024.........SUNRISE 6:12 AM EDT SUNSET 8:02 PM EDT
MAY 1 2024...........SUNRISE 6:11 AM EDT SUNSET 8:03 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$