PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: JAMESTOWN MONTH: DECEMBER YEAR: 2007 LATITUDE: 46 55 N LONGITUDE: 98 40 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 AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 18 9 14 -5 51 0 0.15 M 1 10.5 18 350 M M 10 1 24 100 2 9 -9 0 -19 65 0 T M M 11.8 22 310 M M 5 18 28 320 3 15 -7 4 -14 61 0 0.00 M M 7.5 17 170 M M 2 21 180 4 18 13 16 -2 49 0 T M M 11.6 22 30 M M 10 189 29 40 5 M M M M M M T M M 7.2 17 180 M M 5 18 21 180 6 19 4 12 -5 53 0 T M M 11.7 23 310 M M 6 18 30 310 7 11 -6 3 -14 62 0 0.00 M 4 11.8 22 300 M M 0 29 300 8 6 -14 -4 -20 69 0 0.00 M 4 5.1 12 310 M M 0 14 300 9 17 -16 1 -15 64 0 0.00 M 4 6.8 13 180 M M 0 15 180 10 22 -2 10 -6 55 0 0.00 M M 8.4 14 300 M M 1 16 300 11 23 4 14 -1 51 0 0.00 M M 10.1 21 320 M M 4 28 320 12 32 2 17 2 48 0 0.00 M 4 11.8 24 250 M M 2 32 240 13 34 -4 15 0 50 0 T M 0 19.1 33 320 M M 3 41 330 14 9 -9 0 -14 65 0 0.00 M M 7.9 20 190 M M 4 24 190 15 23 10 17 3 48 0 0.00 M M 4.7 13 220 M M 8 1 16 230 16 26 11 19 5 46 0 0.00 M M 8.7 16 170 M M 6 128 18 190 17 30 10 20 7 45 0 0.00 M M 5.9 15 250 M M 0 17 250 18 34 7 21 8 44 0 0.00 M M 4.1 14 90 M M 2 1 16 80 19 30 5 18 5 47 0 0.00 M M 5.3 13 150 M M 1 12 15 140 20 36 10 23 11 42 0 0.00 M M 6.5 13 170 M M 3 28 16 180 21 26 8 17 5 48 0 T M M 10.1 33 320 M M 5 1289 39 320 22 11 -2 5 -7 60 0 T M M 18.6 31 320 M M 7 189 38 320 23 17 3 10 -1 55 0 T M M 21.2 30 320 M M 10 19 37 310 24 29 2 16 5 49 0 T M 1 10.0 20 180 M M 7 18 23 180 25 32 16 24 13 41 0 0.01 M 1 9.4 21 310 M M 6 1 25 320 26 22 12 17 6 48 0 0.07 M 2 4.3 10 100 M M 9 1 13 100 27 16 5 11 1 54 0 T M 3 3.8 9 170 M M 9 18 13 170 28 17 -2 8 -2 57 0 0.02 M 4 1.7 7 120 M M 9 128 8 110 29 21 -1 10 0 55 0 0.00 M 5 9.6 18 170 M M 10 18 22 170 30 17 -1 8 -2 57 0 0.00 M 4 6.0 14 170 M M 4 1 16 170 31 10 0 5 -4 60 0 T M M 14.4 29 320 M M 8 189 36 330 ================================================================================ SM 630 58 1599 0 0.25 M 285.6 M 156 ================================================================================ AV 21.0 1.9 9.2 FASTST PSBL % 5 MAX(MPH) MISC ----> # 33 320 # 41 330 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: JAMESTOWN MONTH: DECEMBER YEAR: 2007 LATITUDE: 46 55 N LONGITUDE: 98 40 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 11.5 TOTAL FOR MONTH: 0.25 1 = FOG OR MIST DPTR FM NORMAL: -2.3 DPTR FM NORMAL: -0.19 2 = FOG REDUCING VISIBILITY HIGHEST: 36 ON 20 GRTST 24HR 0.15 ON 1- 1 TO 1/4 MILE OR LESS LOWEST: -16 ON 9 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: M 5 = HAIL GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 5 ON 29 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: 27 0.01 INCH OR MORE: 4 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1 MIN 32 OR BELOW: 30 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 13 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 1599 CLEAR (SCALE 0-3) 10 DPTR FM NORMAL 11 PTCLDY (SCALE 4-7) 14 TOTAL FM JUL 1 3534 CLOUDY (SCALE 8-10) 7 DPTR FM NORMAL -132 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 515 HIGHEST SLP 30.62 ON 8 DPTR FM NORMAL -40 LOWEST SLP 29.64 ON 20 [REMARKS]