WFO Monthly/Daily Climate Data
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
663
CXUS51 KLWX 130815
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON NATIONAL DC
MONTH: JULY
YEAR: 2025
LATITUDE: 38 50 N
LONGITUDE: 77 2 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 91 75 83 3 0 18 0.42 0.0 0 9.3 31 290 M M 8 138 43 280
2 87 72 80 0 0 15 0.03 0.0 0 5.9 12 220 M M 8 1 15 210
3 91 73 82 2 0 17 0.00 0.0 0 6.6 17 260 M M 3 23 260
4 87 71 79 -2 0 14 0.00 0.0 0 6.0 15 20 M M 3 8 22 20
5 88 69 79 -2 0 14 0.00 0.0 0 6.8 14 170 M M 3 18 19 170
6 89 70 80 -1 0 15 T 0.0 0 5.8 21 140 M M 6 27 140
7 92 77 85 4 0 20 0.04 0.0 0 5.8 10 200 M M 7 1 15 10
8 95 76 86 5 0 21 0.05 0.0 0 8.1 26 280 M M 6 3 39 290
9 91 73 82 1 0 17 1.16 0.0 0 7.6 37 260 M M 7 123 55 260
10 84 74 79 -2 0 14 0.01 0.0 0 6.0 12 180 M M 9 16 210
11 91 75 83 2 0 18 0.00 0.0 0 4.6 17 110 M M 5 3 21 100
12 91 77 84 3 0 19 0.00 0.0 M 6.4 16 140 M M 5 38 24 140
================================================================================
SM 1077 882 0 202 1.71 0.0 78.9 M 70
================================================================================
AV 89.8 73.5 6.6 FASTST M M 6 MAX(MPH)
MISC ----> 37 260 55 260
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: WASHINGTON NATIONAL DC
MONTH: JULY
YEAR: 2025
LATITUDE: 38 50 N
LONGITUDE: 77 2 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 81.6 TOTAL FOR MONTH: 1.71 1 = FOG OR MIST
DPTR FM NORMAL: 0.9 DPTR FM NORMAL: -0.04 2 = FOG REDUCING VISIBILITY
HIGHEST: 95 ON 8 GRTST 24HR 1.17 ON 9-10 TO 1/4 MILE OR LESS
LOWEST: 69 ON 5 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 0.0 INCH 5 = HAIL
GRTST 24HR 0.0 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 0 7 = DUSTSTORM OR SANDSTORM:
VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
[NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW
X = TORNADO
MAX 32 OR BELOW: 0 0.01 INCH OR MORE: 6
MAX 90 OR ABOVE: 7 0.10 INCH OR MORE: 2
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 0
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 10
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 202
DPTR FM NORMAL 13 [PRESSURE DATA]
TOTAL FM JAN 1 777 HIGHEST SLP M ON M
DPTR FM NORMAL 78 LOWEST SLP 29.79 ON 1
[REMARKS]