WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
745
CXUS51 KLWX 310915
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON NATIONAL DC
MONTH: JANUARY
YEAR: 2025
LATITUDE: 38 50 N
LONGITUDE: 77 2 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
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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
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1 52 40 46 8 19 0 0.00 0.0 0 13.2 35 280 M M 7 1 54 290
2 45 37 41 3 24 0 0.00 0.0 0 11.5 30 290 M M 6 48 290
3 46 31 39 1 26 0 0.04 T 0 10.2 31 330 M M 7 40 340
4 34 26 30 -8 35 0 0.00 0.0 0 15.9 28 280 M M 4 52 290
5 37 24 31 -7 34 0 0.00 0.0 0 7.0 21 250 M M 6 28 240
6 34 28 31 -7 34 0 0.81 7.2 5 9.5 17 330 M M 10 12468 24 310
7 35 22 29 -9 36 0 0.00 0.0 6 16.1 26 300 M M 4 37 300
8 34 25 30 -8 35 0 0.00 0.0 5 13.4 25 320 M M 8 38 300
9 34 23 29 -9 36 0 0.00 0.0 4 15.5 32 330 M M 1 45 290
10 36 25 31 -7 34 0 T T 3 9.0 20 320 M M 6 28 340
11 39 29 34 -3 31 0 0.07 0.7 4 10.7 24 330 M M 7 1 39 300
12 44 28 36 -1 29 0 0.00 0.0 3 5.2 13 330 M M 3 18 330
13 51 28 40 3 25 0 0.00 0.0 2 5.6 16 250 M M 5 22 230
14 39 28 34 -3 31 0 0.00 0.0 1 13.4 28 340 M M 3 35 340
15 34 23 29 -8 36 0 0.00 0.0 1 12.3 23 330 M M 1 37 290
16 37 20 29 -8 36 0 0.01 0.1 1 7.3 15 210 M M 7 24 220
17 46 30 38 1 27 0 0.00 0.0 T 6.3 14 180 M M 5 18 170
18 46 34 40 3 25 0 0.02 0.0 T 6.1 13 200 M M 7 18 200
19 41 28 35 -2 30 0 0.23 0.3 T 9.9 25 340 M M 9 148 36 340
20 29 17 23 -14 42 0 T T T 11.8 21 330 M M 3 30 300
21 24 16 20 -17 45 0 0.00 0.0 T 6.8 17 330 M M 9 24 330
22 25 15 20 -17 45 0 0.00 0.0 0 7.3 18 350 M M 6 23 340
23 31 15 23 -14 42 0 0.00 0.0 0 5.0 13 220 M M 5 17 220
24 41 20 31 -6 34 0 0.00 0.0 0 5.4 15 280 M M 6 22 290
25 42 22 32 -5 33 0 0.00 0.0 0 6.6 17 210 M M 3 23 220
26 51 31 41 4 24 0 0.00 0.0 0 4.3 10 330 M M 6 14 320
27 51 27 39 2 26 0 0.00 0.0 0 6.0 15 200 M M 3 20 200
28 54 33 44 7 21 0 0.00 0.0 0 7.9 23 320 M M 4 34 330
29 64 39 52 15 13 0 0.00 0.0 0 12.0 26 340 M M 1 43 330
30 54 33 44 6 21 0 T 0.0 0 6.3 17 170 M M 5 21 170
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SM 1230 797 929 0 1.18 8.3 277.5 M 157
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AV 41.0 26.6 9.2 FASTST M M 5 MAX(MPH)
MISC ----> 35 280 54 290
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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: JANUARY
YEAR: 2025
LATITUDE: 38 50 N
LONGITUDE: 77 2 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 33.8 TOTAL FOR MONTH: 1.18 1 = FOG OR MIST
DPTR FM NORMAL: -3.6 DPTR FM NORMAL: -1.59 2 = FOG REDUCING VISIBILITY
HIGHEST: 64 ON 29 GRTST 24HR 0.81 ON 6- 6 TO 1/4 MILE OR LESS
LOWEST: 15 ON 23,22 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 8.3 INCHES 5 = HAIL
GRTST 24HR 7.2 ON 6- 6 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 6 ON 7 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: 4 0.01 INCH OR MORE: 6
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 2
MIN 32 OR BELOW: 24 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 929 CLEAR (SCALE 0-3) 7
DPTR FM NORMAL 99 PTCLDY (SCALE 4-7) 20
TOTAL FM JUL 1 2060 CLOUDY (SCALE 8-10) 3
DPTR FM NORMAL -140
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 0 HIGHEST SLP M ON M
DPTR FM NORMAL 0 LOWEST SLP 29.54 ON 1
[REMARKS]