


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
536 CDUS41 KLWX 220623 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 223 AM EDT TUE APR 22 2025 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 21 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 76 3:51 PM 89 1985 69 7 54 MINIMUM 56 5:31 AM 29 1983 45 11 44 AVERAGE 66 57 9 49 PRECIPITATION (IN) YESTERDAY T 2.20 1992 0.12 -0.12 0.00 MONTH TO DATE 1.37 2.33 -0.96 1.45 SINCE MAR 1 2.79 5.83 -3.04 5.34 SINCE JAN 1 7.21 11.38 -4.17 12.79 SNOWFALL (IN) YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0 MONTH TO DATE 0.0 0.1 -0.1 T SINCE MAR 1 0.0 4.0 -4.0 T SINCE JUL 1 15.5 21.0 -5.5 11.7 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 9 -9 16 MONTH TO DATE 217 253 -36 161 SINCE MAR 1 667 900 -233 625 SINCE JUL 1 3989 4410 -421 3589 COOLING YESTERDAY 1 1 0 0 MONTH TO DATE 15 10 5 19 SINCE MAR 1 32 12 20 19 SINCE JAN 1 32 12 20 22 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (150) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 7.9 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 10:00 PM LOWEST 51 3:00 PM AVERAGE 68 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 69 92 1985 MINIMUM TEMPERATURE (F) 45 27 1975 SUNRISE AND SUNSET APRIL 22 2025.........SUNRISE 6:23 AM EDT SUNSET 7:54 PM EDT APRIL 23 2025.........SUNRISE 6:22 AM EDT SUNSET 7:55 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$