WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CXUS51 KLWX 260815
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON NATIONAL DC
MONTH: SEPTEMBER
YEAR: 2026
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 98 77 88 11 0 23 0.00 0.0 0 7.3 15 270 M M 8 24 290
2 91 74 83 6 0 18 0.33 0.0 0 5.0 36 40 M M 6 13 47 40
3 91 71 81 5 0 16 1.25 0.0 M 8.5 43 300 M M 8 38 64 300
4 90 72 81 5 0 16 T 0.0 M 6.3 18 250 M M 7 3 24 260
5 85 72 79 3 0 14 0.00 0.0 M 6.5 14 30 M M 7 17 30
6 85 66 76 0 0 11 0.00 0.0 0 6.7 15 60 M M 3 28 50
7 84 64 74 -1 0 9 0.00 0.0 0 5.3 13 340 M M 3 16 340
8 86 64 75 0 0 10 0.00 0.0 0 6.3 14 170 M M 6 19 210
9 89 70 80 5 0 15 0.00 0.0 0 11.4 20 180 M M 4 28 180
10 91 74 83 9 0 18 0.00 0.0 0 7.6 16 200 M M 8 21 300
11 82 70 76 2 0 11 0.68 0.0 0 5.2 18 360 M M 9 1 22 360
12 81 71 76 2 0 11 T 0.0 0 6.6 15 140 M M 9 18 150
13 89 74 82 8 0 17 0.02 0.0 0 4.6 13 210 M M 7 17 160
14 81 65 73 0 0 8 0.00 0.0 0 10.7 21 360 M M 3 27 340
15 78 58 68 -5 0 3 0.00 0.0 0 6.3 13 60 M M 2 15 60
16 83 64 74 2 0 9 0.00 0.0 0 7.5 13 170 M M 2 17 170
17 87 70 79 7 0 14 0.00 0.0 0 6.9 14 220 M M 7 20 220
18 88 73 81 9 0 16 T 0.0 0 8.6 16 360 M M 7 21 340
19 81 67 74 3 0 9 0.00 0.0 0 7.6 18 40 M M 8 23 30
20 84 73 79 8 0 14 T 0.0 0 9.5 18 360 M M 9 25 220
21 74 65 70 -1 0 5 0.43 0.0 0 10.2 17 10 M M 9 1 21 20
22 65 59 62 -8 3 0 0.81 0.0 0 13.4 20 50 M M 10 1 28 50
23 66 56 61 -9 4 0 0.40 0.0 0 14.0 23 70 M M 9 1 31 80
24 67 53 60 -9 5 0 0.00 0.0 0 12.3 21 30 M M 8 26 10
25 76 54 65 -4 0 0 0.00 0.0 0 15.0 24 330 M M 6 35 350
================================================================================
SM 2072 1676 12 267 3.92 0.0 209.3 M 165
================================================================================
AV 82.9 67.0 8.4 FASTST M M 7 MAX(MPH)
MISC ----> 43 300 64 300
================================================================================
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: SEPTEMBER
YEAR: 2026
LATITUDE: 38 50 N
LONGITUDE: 77 2 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 75.0 TOTAL FOR MONTH: 3.92 1 = FOG OR MIST
DPTR FM NORMAL: 1.7 DPTR FM NORMAL: 0.65 2 = FOG REDUCING VISIBILITY
HIGHEST: 98 ON 1 GRTST 24HR 1.25 ON 3- 3 TO 1/4 MILE OR LESS
LOWEST: 53 ON 24 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: 7
MAX 90 OR ABOVE: 5 0.10 INCH OR MORE: 6
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 12 CLEAR (SCALE 0-3) 2
DPTR FM NORMAL 6 PTCLDY (SCALE 4-7) 16
TOTAL FM JUL 1 12 CLOUDY (SCALE 8-10) 7
DPTR FM NORMAL 6
[CDD (BASE 65) ]
TOTAL THIS MO. 267
DPTR FM NORMAL 51 [PRESSURE DATA]
TOTAL FM JAN 1 1876 HIGHEST SLP M ON M
DPTR FM NORMAL 208 LOWEST SLP 29.82 ON 5
[REMARKS]