PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: GRAND FORKS INTL AP ND
MONTH: DECEMBER
YEAR: 2012
LATITUDE: 47 57 N
LONGITUDE: 97 11 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 36 25 31 14 34 0 0.00 0.0 1 10.0 22 160 M M 10 18 28 160
2 42 25 34 17 31 0 0.00 0.0 1 9.7 20 180 M M 10 12 25 180
3 44 17 31 15 34 0 0.09 0.0 0 17.0 32 290 M M 6 1 47 280
4 20 11 16 0 49 0 0.00 0.0 0 10.2 22 300 M M 3 18 29 310
5 35 14 25 10 40 0 0.00 0.0 0 15.9 25 160 M M 9 32 160
6 39 18 29 14 36 0 0.00 0.0 0 13.0 29 290 M M 7 36 300
7 19 6 13 -1 52 0 0.00 0.0 0 5.8 10 20 M M 4 14 30
8 21 8 15 1 50 0 0.10 1.6 0 11.0 21 350 M M 10 1 25 350
9 8 -11 -1 -15 66 0 T 0.2 2 14.9 25 350 M M 5 189 30 350
10 15 -13 1 -12 64 0 T 0.1 2 10.2 22 180 M M 5 18 26 180
11 9 -2 4 -9 61 0 T 0.1 2 8.7 17 360 M M 7 8 21 340
12 18 5 12 0 53 0 T T 2 11.1 17 350 M M 10 8 20 340
13 19 4 12 0 53 0 0.01 0.1 2 7.5 17 350 M M 9 1 21 350
14 28 9 19 7 46 0 T T 2 8.4 15 160 M M 5 128 17 160
15 23 9 16 5 49 0 T T 2 8.9 28 350 M M 8 12 35 350
16 23 17 20 9 45 0 T 0.1 2 9.5 20 340 M M 10 1 25 340
17 19 16 18 7 47 0 0.01 0.3 2 5.8 10 140 M M 10 18 13 150
18 26 18 22 12 43 0 0.06 0.8 2 4.8 8 150 M M 10 18 13 110
19 27 16 22 12 43 0 T T 3 9.1 20 240 M M 10 1 23 240
20 16 0 8 -2 57 0 T 0.2 3 8.0 14 330 M M 8 1 16 320
21 9 4 7 -3 58 0 T 0.1 3 7.9 15 190 M M 7 18 16 180
22 14 2 8 -1 57 0 T 0.3 3 13.6 25 350 M M 6 189 31 350
23 3 -4 0 -9 65 0 T 0.1 3 11.6 20 360 M M 9 18 22 360
24 -1 -11 -6 -15 71 0 0.00 0.0 3 9.9 18 360 M M 5 8 22 360
25 0 -11 -5 -14 70 0 0.00 0.0 3 5.9 13 320 M M 2 15 320
26 9 -1 4 -4 61 0 0.02 0.2 3 3.6 8 140 M M 9 18 9 140
27 15 8 12 4 53 0 0.01 0.2 3 3.9 9 140 M M 10 18 10 150
28 15 0 8 0 57 0 0.01 0.4 4 5.8 9 190 M M 9 18 12 220
29 12 -8 2 -6 63 0 T 0.2 4 7.1 16 280 M M 6 18 20 280
30 24 0 12 4 53 0 T 0.3 4 12.5 25 360 M M 7 18 30 10
31 3 -11 -4 -12 69 0 0.00 0.0 4 5.1 10 200 M M 0 12 340
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SM 590 160 1630 0 0.31 5.3 286.4 M 226
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AV 19.0 5.2 9.2 FASTST M M 7 MAX(MPH)
MISC ----> 32 M 47 M
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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: GRAND FORKS INTL AP ND
MONTH: DECEMBER
YEAR: 2012
LATITUDE: 47 57 N
LONGITUDE: 97 11 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 12.1 TOTAL FOR MONTH: 0.31 1 = FOG OR MIST
DPTR FM NORMAL: 0.6 DPTR FM NORMAL: -0.30 2 = FOG REDUCING VISIBILITY
HIGHEST: 44 ON 3 GRTST 24HR 0.10 ON 8- 8 TO 1/4 MILE OR LESS
LOWEST: -13 ON 10 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 5.3 INCHES 5 = HAIL
GRTST 24HR 1.6 ON M 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 4 ON 31,30 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: 26 0.01 INCH OR MORE: 8
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1
MIN 32 OR BELOW: 31 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 12 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 1630 CLEAR (SCALE 0-3) 3
DPTR FM NORMAL -30 PTCLDY (SCALE 4-7) 14
TOTAL FM JUL 1 3758 CLOUDY (SCALE 8-10) 14
DPTR FM NORMAL -101
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 572 HIGHEST SLP M ON M
DPTR FM NORMAL 193 LOWEST SLP 29.36 ON 2
[REMARKS]
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