WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CXUS51 KLWX 200815
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON NATIONAL DC
MONTH: MAY
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 67 44 56 -7 9 0 0.01 0.0 0 8.1 18 180 M M 5 25 200
2 63 49 56 -8 9 0 0.00 0.0 0 11.8 22 330 M M 7 28 330
3 64 44 54 -10 11 0 0.00 0.0 0 11.0 23 330 M M 3 37 340
4 77 51 64 0 1 0 0.00 0.0 0 10.4 23 200 M M 6 33 220
5 86 61 74 10 0 9 0.00 0.0 0 14.9 31 210 M M 5 40 210
6 71 59 65 0 0 0 0.24 0.0 0 14.0 28 200 M M 9 18 37 200
7 63 51 57 -8 8 0 0.02 0.0 0 9.2 17 170 M M 7 18 23 20
8 74 48 61 -4 4 0 0.00 0.0 0 8.4 22 230 M M 3 35 220
9 76 59 68 3 0 3 T 0.0 0 10.0 18 210 M M 7 8 28 210
10 82 55 69 3 0 4 0.03 0.0 0 6.6 23 320 M M 4 18 30 330
11 64 49 57 -9 8 0 0.18 0.0 0 6.6 20 360 M M 7 25 20
12 71 46 59 -7 6 0 0.00 0.0 0 7.4 16 190 M M 3 22 210
13 77 57 67 1 0 2 0.45 0.0 0 14.1 28 200 M M 6 138 40 200
14 63 52 58 -9 7 0 T 0.0 0 11.2 22 340 M M 9 32 300
15 73 52 63 -4 2 0 0.00 0.0 0 9.4 22 340 M M 6 30 350
16 85 54 70 3 0 5 0.00 0.0 0 7.5 17 200 M M 4 25 220
17 89 64 77 10 0 12 T 0.0 0 5.5 14 290 M M 5 21 350
18 93 67 80 12 0 15 0.00 0.0 0 7.2 13 170 M M 4 15 180
19 97 72 85 17 0 20 0.01 0.0 0 9.1 29 290 M M 5 40 280
================================================================================
SM 1435 1034 65 70 0.94 0.0 182.4 M 105
================================================================================
AV 75.5 54.4 9.6 FASTST M M 6 MAX(MPH)
MISC ----> 31 210 # 40 210
================================================================================
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: MAY
YEAR: 2026
LATITUDE: 38 50 N
LONGITUDE: 77 2 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 65.0 TOTAL FOR MONTH: 0.94 1 = FOG OR MIST
DPTR FM NORMAL: -0.7 DPTR FM NORMAL: -1.46 2 = FOG REDUCING VISIBILITY
HIGHEST: 97 ON 19 GRTST 24HR 0.45 ON 13-13 TO 1/4 MILE OR LESS
LOWEST: 44 ON 3, 1 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: 2 0.10 INCH OR MORE: 3
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 65 CLEAR (SCALE 0-3) 3
DPTR FM NORMAL 16 PTCLDY (SCALE 4-7) 14
TOTAL FM JUL 1 3844 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL 92
[CDD (BASE 65) ]
TOTAL THIS MO. 70
DPTR FM NORMAL 10 [PRESSURE DATA]
TOTAL FM JAN 1 172 HIGHEST SLP M ON M
DPTR FM NORMAL 77 LOWEST SLP 29.75 ON 6
[REMARKS]