WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CXUS51 KLWX 280815
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON NATIONAL DC
MONTH: JULY
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 75 87 7 0 22 0.00 0.0 0 9.2 14 180 M M 3 19 230
2 102 80 91 11 0 26 0.00 0.0 0 5.9 14 260 M M 2 18 22 270
3 102 84 93 13 0 28 0.00 0.0 0 7.4 15 270 M M 1 21 230
4 103 77 90 9 0 25 0.08 0.0 0 8.9 37 220 M M 5 38 49 220
5 96 75 86 5 0 21 T 0.0 0 6.4 23 230 M M 8 138 35 220
6 90 76 83 2 0 18 0.13 0.0 0 6.1 24 130 M M 9 13 30 130
7 84 73 79 -2 0 14 0.14 0.0 0 6.1 14 50 M M 10 18 19 50
8 85 72 79 -2 0 14 T 0.0 0 7.5 13 170 M M 9 17 50
9 89 74 82 1 0 17 0.65 0.0 0 8.5 21 340 M M 8 13 27 340
10 89 73 81 0 0 16 0.67 0.0 0 4.7 18 210 M M 7 38 24 180
11 90 72 81 0 0 16 T 0.0 0 7.5 21 60 M M 8 25 60
12 85 73 79 -2 0 14 T 0.0 M 9.5 17 90 M M 9 25 110
13 87 69 78 -3 0 13 0.00 0.0 M 7.1 13 180 M M 4 18 110
14 91 69 80 -1 0 15 0.00 0.0 M 7.2 14 170 M M 4 21 220
15 97 73 85 4 0 20 0.00 0.0 M 7.4 17 240 M M 5 25 260
16 98 81 90 9 0 25 0.00 0.0 0 9.0 17 260 M M 8 8 27 270
17 93 76 85 4 0 20 0.00 0.0 0 5.9 14 20 M M 10 8 18 20
18 95 76 86 5 0 21 0.61 0.0 0 9.6 30 320 M M 10 38 38 310
19 89 75 82 1 0 17 0.00 0.0 0 9.2 21 320 M M 6 8 26 340
20 87 70 79 -2 0 14 0.00 0.0 0 7.6 16 170 M M 5 20 180
21 92 73 83 2 0 18 0.95 0.0 0 10.6 31 210 M M 10 13 42 210
22 92 72 82 1 0 17 T 0.0 0 8.9 21 350 M M 7 8 27 340
23 83 67 75 -6 0 10 0.00 0.0 0 8.2 18 360 M M 4 23 360
24 82 66 74 -7 0 9 0.00 0.0 0 6.4 15 90 M M 5 8 23 120
25 82 67 75 -6 0 10 0.01 0.0 0 6.0 15 220 M M 6 18 220
26 85 69 77 -4 0 12 T 0.0 0 6.1 13 170 M M 7 19 240
27 90 72 81 0 0 16 0.00 0.0 0 7.2 14 180 M M 7 17 170
================================================================================
SM 2456 1979 0 468 3.24 0.0 204.1 M 177
================================================================================
AV 91.0 73.3 7.6 FASTST M M 7 MAX(MPH)
MISC ----> 37 220 49 220
================================================================================
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: 2026
LATITUDE: 38 50 N
LONGITUDE: 77 2 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 82.1 TOTAL FOR MONTH: 3.24 1 = FOG OR MIST
DPTR FM NORMAL: 1.2 DPTR FM NORMAL: -0.58 2 = FOG REDUCING VISIBILITY
HIGHEST: 103 ON 4 GRTST 24HR 0.95 ON 21-21 TO 1/4 MILE OR LESS
LOWEST: 66 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: 8
MAX 90 OR ABOVE: 15 0.10 INCH OR MORE: 6
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 4
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 2
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 17
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 8
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 468
DPTR FM NORMAL 39 [PRESSURE DATA]
TOTAL FM JAN 1 1079 HIGHEST SLP M ON M
DPTR FM NORMAL 140 LOWEST SLP 29.69 ON 21
[REMARKS]