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
675 CDUS41 KLWX 200535 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 135 AM EDT FRI SEP 20 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 19 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 82 2:22 PM 93 1977 78 4 77 1978 MINIMUM 66 11:59 PM 36 1984 57 9 54 AVERAGE 74 68 6 66 PRECIPITATION (IN) YESTERDAY 0.00 1.26 2000 0.14 -0.14 0.00 MONTH TO DATE 0.61 2.47 -1.86 3.61 SINCE SEP 1 0.61 2.47 -1.86 3.61 SINCE JAN 1 26.39 31.69 -5.30 22.83 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 T 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 0 2 -2 0 MONTH TO DATE 11 12 -1 1 SINCE SEP 1 11 12 -1 1 SINCE JUL 1 13 13 0 1 COOLING YESTERDAY 9 4 5 1 MONTH TO DATE 76 120 -44 205 SINCE SEP 1 76 120 -44 205 SINCE JAN 1 1490 1176 314 1320 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350) AVERAGE WIND SPEED 5.0 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 12:00 AM LOWEST 56 1:00 PM AVERAGE 70 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 91 1965 MINIMUM TEMPERATURE (F) 56 40 1979 SUNRISE AND SUNSET SEPTEMBER 20 2024.....SUNRISE 6:56 AM EDT SUNSET 7:09 PM EDT SEPTEMBER 21 2024.....SUNRISE 6:57 AM EDT SUNSET 7:08 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$