WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CXUS51 KLWX 160815
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
================================================================================
SM 1301 1042 0 200 2.28 0.0 104.3 M 90
================================================================================
AV 86.7 69.5 7.0 FASTST M M 6 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: 78.1 TOTAL FOR MONTH: 2.28 1 = FOG OR MIST
DPTR FM NORMAL: 3.1 DPTR FM NORMAL: 0.33 2 = FOG REDUCING VISIBILITY
HIGHEST: 98 ON 1 GRTST 24HR 1.25 ON 3- 3 TO 1/4 MILE OR LESS
LOWEST: 58 ON 15 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: 4
MAX 90 OR ABOVE: 5 0.10 INCH OR MORE: 3
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 1
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 12
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 200
DPTR FM NORMAL 48 [PRESSURE DATA]
TOTAL FM JAN 1 1809 HIGHEST SLP M ON M
DPTR FM NORMAL 205 LOWEST SLP 29.82 ON 5
[REMARKS]