![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
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
092 CDUS41 KLWX 172126 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 526 PM EDT SAT AUG 17 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 17 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 87 2:35 PM 101 1988 87 0 91 MINIMUM 71 5:21 AM 44 1979 65 6 65 AVERAGE 79 76 3 78 PRECIPITATION (IN) TODAY 0.00 3.32 1997 0.11 -0.11 0.00 MONTH TO DATE 1.97 1.95 0.02 1.84 SINCE JUN 1 5.32 10.40 -5.08 9.23 SINCE JAN 1 22.62 27.64 -5.02 19.21 SNOWFALL (IN) TODAY 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 0 DEGREE DAYS HEATING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 0 13 -13 5 SINCE JUL 1 0 0 0 0 COOLING TODAY 14 11 3 13 MONTH TO DATE 246 197 49 212 SINCE JUN 1 1099 813 286 867 SINCE JAN 1 1282 919 363 941 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 8.5 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. THUNDERSTORM RELATIVE HUMIDITY (PERCENT) HIGHEST 84 5:00 AM LOWEST 62 12:00 AM AVERAGE 73 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 98 2009 MINIMUM TEMPERATURE (F) 65 45 1981 SUNRISE AND SUNSET AUGUST 17 2024........SUNRISE 6:26 AM EDT SUNSET 8:01 PM EDT AUGUST 18 2024........SUNRISE 6:27 AM EDT SUNSET 8:00 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$