PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: GRAND FORKS UNIV. (NWS) ND MONTH: DECEMBER YEAR: 2009 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 12Z AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 34 27 31 13 34 0 0.05 1.3 0 M M M M M M M M 2 27 16 22 5 43 0 0.04 3.5 1 M M M M M M M M 3 16 10 13 -4 52 0 T 0.4 4 M M M M M M 1 M M 4 12 2 7 -9 58 0 T T 4 M M M M M M M M 5 11 -3 4 -12 61 0 T 0.1 4 M M M M M M M M 6 16 9 13 -2 52 0 T 0.6 5 M M M M M M M M 7 11 -10 1 -13 64 0 T T 5 M M M M M M M M 8 -5 -12 -8 -22 73 0 0.00 0.0 5 M M M M M M M M 9 -6 -17 -11 -24 76 0 0.00 0.0 5 M M M M M M M M 10 1 -16 -7 -20 72 0 0.00 0.0 5 M M M M M M M M 11 10 -14 -2 -14 67 0 0.00 0.0 4 M M M M M M M M 12 5 -12 -3 -15 68 0 0.00 0.0 4 M M M M M M M M 13 -4 -15 -9 -20 74 0 0.01 0.2 4 M M M M M M M M 14 1 -12 -5 -16 70 0 T T 5 M M M M M M M M 15 0 -14 -7 -18 72 0 T 0.1 4 M M M M M M M M 16 11 -1 5 -5 60 0 T T 4 M M M M M M M M 17 20 5 13 3 52 0 T T 4 M M M M M M M M 18 16 5 11 1 54 0 T T 4 M M M M M M M M 19 18 16 17 8 48 0 T T 4 M M M M M M M M 20 21 9 15 6 50 0 0.02 0.4 4 M M M M M M M M 21 14 -1 7 -2 58 0 0.00 0.0 4 M M M M M M M M 22 22 0 11 3 54 0 0.00 0.0 4 M M M M M M M M 23 28 20 24 16 41 0 0.09 1.6 4 M M M M M M 1 M M 24 26 15 21 13 44 0 0.27 3.3 8 M M M M M M 1 M M 25 27 21 24 17 41 0 0.50 15.7 10 M M M M M M 19 M M 26 26 16 21 14 44 0 0.12 4.5 16 M M M M M M 19 M M 27 25 13 19 12 46 0 T T 15 M M M M M M 19 M M 28 18 -10 4 -3 61 0 T T 14 M M M M M M 189 M M 29 7 -11 -2 -9 67 0 0.00 0.0 13 M M M M M M M M 30 14 1 8 1 57 0 T 0.1 13 M M M M M M M M 31 7 -5 1 -5 64 0 T T 13 M M M M M M M M ================================================================================ SM 429 32 1777 0 1.10 31.8 M M M ================================================================================ AV 13.8 1.0 M FASTST M M 6 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) ND MONTH: DECEMBER YEAR: 2009 LATITUDE: 47 55 N LONGITUDE: 97 6 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 7.4 TOTAL FOR MONTH: 1.10 1 = FOG OR MIST DPTR FM NORMAL: -4.3 DPTR FM NORMAL: 0.52 2 = FOG REDUCING VISIBILITY HIGHEST: 34 ON 1 GRTST 24HR 0.50 ON 25-25 TO 1/4 MILE OR LESS LOWEST: -17 ON 9 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 31.8 INCHES 5 = HAIL GRTST 24HR 15.7 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 16 ON 26 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: 3 MIN 32 OR BELOW: 31 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 16 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 1777 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL 203 PTCLDY (SCALE 4-7) 0 TOTAL FM JUL 1 3596 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL -15 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 251 HIGHEST SLP M ON M DPTR FM NORMAL -278 LOWEST SLP M ON M [REMARKS] #FINAL-12-09#