WFO Monthly/Daily Climate Data Issued by NWS Sterling, VA
000
CXUS51 KLWX 030244
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: WASHINGTON NATIONAL DC
MONTH: APRIL
YEAR: 2020
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 57 42 50 -2 15 0 0.00 0.0 0 11.5 20 350 M M 9 24 340
2 63 42 53 1 12 0 0.00 0.0 0 15.9 30 320 M M 2 43 340
3 68 47 58 5 7 0 0.00 0.0 0 17.8 32 320 M M 4 41 340
4 60 50 55 2 10 0 T 0.0 0 7.1 16 350 M M 9 19 360
5 68 47 58 5 7 0 0.00 0.0 0 6.0 13 160 M M 8 16 210
6 71 54 63 9 2 0 T 0.0 0 7.1 15 340 M M 5 18 350
7 74 54 64 10 1 0 0.37 0.0 0 6.0 18 320 M M 8 13 23 320
8 78 56 67 13 0 2 0.03 0.0 0 8.2 24 340 M M 6 30 330
9 75 48 62 7 3 0 0.14 0.0 0 15.6 38 330 M M 5 13 51 330
10 53 42 48 -7 17 0 T 0.0 0 17.2 36 270 M M 4 48 290
11 64 39 52 -3 13 0 0.00 0.0 0 8.3 22 260 M M 4 34 310
12 74 46 60 4 5 0 0.21 0.0 0 8.5 22 170 M M 8 1 28 220
13 81 53 67 11 0 2 2.33 0.0 0 14.0 29 310 M M 7 13 36 320
14 60 40 50 -6 15 0 0.14 0.0 0 10.3 28 330 M M 7 1 37 320
15 54 38 46 -11 19 0 0.16 0.0 0 8.7 22 340 M M 6 1 25 350
16 55 42 49 -8 16 0 0.00 0.0 0 11.2 24 310 M M 3 30 320
17 58 38 48 -9 17 0 T 0.0 0 7.4 20 210 M M 7 23 180
18 56 43 50 -8 15 0 0.06 0.0 0 10.0 31 330 M M 6 1 43 340
19 66 37 52 -6 13 0 0.00 0.0 0 7.9 20 200 M M 5 25 210
20 64 52 58 0 7 0 T 0.0 0 7.1 18 30 M M 8 21 40
21 68 44 56 -3 9 0 0.02 0.0 0 14.3 37 250 M M 5 44 260
22 62 38 50 -9 15 0 0.00 0.0 0 9.7 24 300 M M 3 37 290
23 59 49 54 -5 11 0 0.74 0.0 0 4.8 12 100 M M 10 1 14 100
24 61 52 57 -3 8 0 0.61 0.0 0 8.9 18 10 M M 10 1 20 350
25 65 48 57 -3 8 0 0.05 0.0 0 5.0 16 180 M M 8 1 19 140
26 57 50 54 -6 11 0 0.23 0.0 0 7.5 16 50 M M 10 1 18 50
27 60 45 53 -7 12 0 0.09 0.0 0 12.4 25 340 M M 8 1 34 330
28 58 45 52 -9 13 0 0.02 0.0 0 4.6 13 210 M M 9 18 200
29 75 47 61 0 4 0 0.00 0.0 0 8.8 22 120 M M 7 27 110
30 67 57 62 1 3 0 1.10 0.0 0 11.8 25 160 M M 10 1 36 160
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SM 1931 1385 288 4 6.30 0.0 293.6 M 201
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AV 64.4 46.2 9.8 FASTST M M 7 MAX(MPH)
MISC ----> 38 330 51 330
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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: APRIL
YEAR: 2020
LATITUDE: 38 50 N
LONGITUDE: 77 2 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 55.3 TOTAL FOR MONTH: 6.30 1 = FOG OR MIST
DPTR FM NORMAL: -1.5 DPTR FM NORMAL: 3.24 2 = FOG REDUCING VISIBILITY
HIGHEST: 81 ON 13 GRTST 24HR 2.54 ON 12-13 TO 1/4 MILE OR LESS
LOWEST: 37 ON 19 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: 16
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 10
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 4
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 2
[HDD (BASE 65) ]
TOTAL THIS MO. 288 CLEAR (SCALE 0-3) 3
DPTR FM NORMAL 18 PTCLDY (SCALE 4-7) 17
TOTAL FM JUL 1 3301 CLOUDY (SCALE 8-10) 10
DPTR FM NORMAL -644
[CDD (BASE 65) ]
TOTAL THIS MO. 4
DPTR FM NORMAL -20 [PRESSURE DATA]
TOTAL FM JAN 1 9 HIGHEST SLP 30.36 ON 17
DPTR FM NORMAL -17 LOWEST SLP 29.28 ON 9
[REMARKS]
#FINAL-04-20#