PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: GRAND FORKS UNIV. (NWS) MONTH: DECEMBER YEAR: 2007 LATITUDE: 47 55 N LONGITUDE: 97 6 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 19 9 14 -4 51 0 0.26 5.3 7 M M M 1 M M 1 M M 2 14 -9 3 -14 62 0 0.01 0.8 7 M M M M M M M M 3 15 -9 3 -14 62 0 0.00 0.0 6 M M M 0 M M M M 4 16 4 10 -6 55 0 0.34 8.1 8 M M M 0 M M M M 5 4 -13 -4 -20 69 0 T T 10 M M M 515 M M M M 6 15 -4 6 -9 59 0 0.09 1.2 9 M M M 0 M M M M 7 5 -12 -3 -17 68 0 0.00 0.0 10 M M M 446 M M M M 8 -4 -21 -12 -26 77 0 0.00 0.0 10 M M M 479 M M M M 9 1 -16 -7 -20 72 0 0.00 0.0 9 M M M 476 M M M M 10 6 -1 3 -10 62 0 0.00 0.0 9 M M M 467 M M M M 11 13 -1 6 -6 59 0 0.00 0.0 9 M M M 466 M M M M 12 25 2 14 2 51 0 0.02 0.4 9 M M M 441 M M M M 13 34 -10 12 1 53 0 0.01 0.5 7 M M M 423 M M M M 14 3 -12 -4 -15 69 0 0.00 0.0 9 M M M 409 M M M M 15 18 -1 9 -2 56 0 T T 7 M M M 401 M M M M 16 14 -7 4 -6 61 0 T 0.2 7 M M M 370 M M M M 17 20 4 12 2 53 0 0.00 0.0 7 M M M 449 M M M M 18 20 2 11 1 54 0 0.00 0.0 7 M M M 421 M M M M 19 26 -1 13 4 52 0 0.00 0.0 6 M M M 380 M M M M 20 26 3 15 6 50 0 T 0.0 6 M M M 373 M M 128 M M 21 23 16 20 11 45 0 T 0.2 7 M M M 334 M M M M 22 19 1 10 2 55 0 0.05 0.8 7 M M M 411 M M M M 23 9 2 6 -2 59 0 T 0.5 7 M M M 410 M M M M 24 22 15 19 11 46 0 T 0.1 7 M M M 423 M M M M 25 28 17 23 16 42 0 T T 6 M M M 368 M M M M 26 17 12 15 8 50 0 0.01 0.1 6 M M M 315 M M M M 27 19 12 16 9 49 0 T 0.2 6 M M M 176 M M M M 28 19 13 16 9 49 0 T 0.1 6 M M M 152 M M M M 29 17 12 15 8 50 0 T T 6 M M M 3 M M M M 30 19 14 17 10 48 0 T T 6 M M M M M M M M 31 16 -1 8 2 57 0 T T 6 M M M 348 M M M M ================================================================================ SM 498 20 1745 0 0.79 18.5 M 9457 M ================================================================================ AV 16.1 0.6 M FASTST PSBL % 5 MAX(MPH) MISC ----> M M M M ================================================================================ 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 UNIV. (NWS) MONTH: DECEMBER YEAR: 2007 LATITUDE: 47 55 N LONGITUDE: 97 6 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 8.4 TOTAL FOR MONTH: 0.79 1 = FOG OR MIST DPTR FM NORMAL: -2.2 DPTR FM NORMAL: 0.23 2 = FOG REDUCING VISIBILITY HIGHEST: 34 ON 13 GRTST 24HR 0.34 ON 4- 4 TO 1/4 MILE OR LESS LOWEST: -21 ON 8 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 18.5 INCHES 5 = HAIL GRTST 24HR 8.1 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 10 ON 8, 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: 30 0.01 INCH OR MORE: 8 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 2 MIN 32 OR BELOW: 31 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 15 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 1745 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL 64 PTCLDY (SCALE 4-7) 0 TOTAL FM JUL 1 3677 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL 2 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 499 HIGHEST SLP M ON M DPTR FM NORMAL -50 LOWEST SLP M ON M [REMARKS] #FINAL-12-07#