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
163 CDUS41 KLWX 160529 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 129 AM EDT MON SEP 16 2024 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 15 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 3:54 PM 95 1993 80 2 78 1998 MINIMUM 55 5:34 AM 38 1985 58 -3 54 AVERAGE 69 69 0 66 PRECIPITATION (IN) YESTERDAY 0.00 1.06 1981 0.14 -0.14 0.00 MONTH TO DATE T 1.89 -1.89 3.50 SINCE SEP 1 T 1.89 -1.89 3.50 SINCE JAN 1 25.78 31.11 -5.33 22.72 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 1 -1 0 MONTH TO DATE 11 6 5 0 SINCE SEP 1 11 6 5 0 SINCE JUL 1 13 7 6 0 COOLING YESTERDAY 4 5 -1 1 MONTH TO DATE 49 102 -53 197 SINCE SEP 1 49 102 -53 197 SINCE JAN 1 1463 1158 305 1312 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100) AVERAGE WIND SPEED 5.8 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 6:00 AM LOWEST 42 4:00 PM AVERAGE 66 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 97 1991 MINIMUM TEMPERATURE (F) 58 37 1984 SUNRISE AND SUNSET SEPTEMBER 16 2024.....SUNRISE 6:53 AM EDT SUNSET 7:16 PM EDT SEPTEMBER 17 2024.....SUNRISE 6:53 AM EDT SUNSET 7:14 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$