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
927
CDUS41 KLWX 310526
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1226 AM EST FRI JAN 31 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 30 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 54 3:01 PM 77 2002 45 9 44
MINIMUM 33 6:43 AM -6 1873 30 3 39
AVERAGE 44 38 6 42
PRECIPITATION (IN)
YESTERDAY T 0.97 1939 0.09 -0.09 0.00
MONTH TO DATE 1.18 2.77 -1.59 5.88
SINCE DEC 1 4.06 6.18 -2.12 12.31
SINCE JAN 1 1.18 2.77 -1.59 5.88
SNOWFALL (IN)
YESTERDAY 0.0 11.5 1930 0.2 -0.2 0.0
MONTH TO DATE 8.3 4.7 3.6 7.8
SINCE DEC 1 8.4 6.4 2.0 7.9
SINCE JUL 1 8.4 6.5 1.9 7.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 21 28 -7 23
MONTH TO DATE 929 830 99 751
SINCE DEC 1 1637 1554 83 1348
SINCE JUL 1 2060 2200 -140 1937
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE DEC 1 0 0 0 1
SINCE JAN 1 0 0 0 1
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 7:00 AM
LOWEST 25 3:00 PM
AVERAGE 46
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 71 1916
MINIMUM TEMPERATURE (F) 30 -2 1905
SUNRISE AND SUNSET
JANUARY 31 2025.......SUNRISE 7:15 AM EST SUNSET 5:29 PM EST
FEBRUARY 1 2025......SUNRISE 7:14 AM EST SUNSET 5:30 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$