


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
373 CDUS41 KLWX 050628 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 228 AM EDT SAT APR 05 2025 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 4 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 73 4:25 AM 85 2011 62 11 56 MINIMUM 57 11:52 PM 22 1965 39 18 34 2013 AVERAGE 65 51 14 45 PRECIPITATION (IN) YESTERDAY 0.11 1.47 1987 0.10 0.01 0.06 MONTH TO DATE 0.14 0.44 -0.30 1.28 SINCE MAR 1 1.56 3.94 -2.38 5.17 SINCE JAN 1 5.98 9.49 -3.51 12.62 SNOWFALL (IN) YESTERDAY 0.0 0.2 1990 0.0 0.0 T MONTH TO DATE 0.0 0.0 0.0 T SINCE MAR 1 0.0 3.9 -3.9 T SINCE JUL 1 15.5 20.9 -5.4 11.7 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 14 -14 20 MONTH TO DATE 37 60 -23 59 SINCE MAR 1 487 707 -220 523 SINCE JUL 1 3809 4217 -408 3487 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 17 2 15 0 SINCE JAN 1 17 2 15 3 ................................................................... WIND (MPH) HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 6.0 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 7:00 AM LOWEST 59 4:00 PM AVERAGE 78 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 63 88 2023 MINIMUM TEMPERATURE (F) 40 22 1965 SUNRISE AND SUNSET APRIL 5 2025.........SUNRISE 6:48 AM EDT SUNSET 7:38 PM EDT APRIL 6 2025.........SUNRISE 6:46 AM EDT SUNSET 7:39 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$