PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: GRAND FORKS UNIV. (NWS) ND MONTH: DECEMBER YEAR: 2011 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 23 10 17 -1 48 0 0.00 0.0 0 M M M M M M M M 2 38 18 28 10 37 0 0.00 0.0 0 M M M M M M M M 3 31 21 26 9 39 0 T T 0 M M M M M M M M 4 21 9 15 -2 50 0 T T 0 M M M M M M M M 5 10 -2 4 -12 61 0 T T 0 M M M M M M M M 6 26 1 14 -2 51 0 0.00 0.0 0 M M M M M M M M 7 35 14 25 10 40 0 T T 0 M M M M M M M M 8 19 5 12 -3 53 0 0.00 0.0 0 M M M M M M M M 9 17 -1 8 -6 57 0 0.00 0.0 0 M M M M M M M M 10 37 10 24 10 41 0 0.00 0.0 0 M M M M M M M M 11 39 16 28 14 37 0 0.00 0.0 0 M M M M M M M M 12 23 13 18 5 47 0 0.00 0.0 0 M M M M M M M M 13 30 16 23 10 42 0 0.00 0.0 0 M M M M M M M M 14 32 25 29 17 36 0 T T 0 M M M M M M M M 15 30 11 21 9 44 0 T T 0 M M M M M M M M 16 20 10 15 3 50 0 T 0.1 T M M M M M M M M 17 34 13 24 13 41 0 0.00 0.0 T M M M M M M M M 18 50 20 35 24 30 0 0.00 0.0 0 M M M M M M M M 19 28 15 22 11 43 0 0.00 0.0 0 M M M M M M M M 20 41 15 28 18 37 0 0.00 0.0 0 M M M M M M M M 21 32 22 27 17 38 0 T T 0 M M M M M M M M 22 30 15 23 13 42 0 T T 0 M M M M M M M M 23 31 13 22 12 43 0 0.00 0.0 0 M M M M M M M M 24 40 9 25 16 40 0 0.00 0.0 0 M M M M M M M M 25 42 26 34 25 31 0 0.00 0.0 0 M M M M M M M M 26 49 21 35 26 30 0 0.00 0.0 0 M M M M M M M M 27 21 3 12 3 53 0 T T 0 M M M M M M M M 28 34 12 23 15 42 0 0.11 1.4 T M M M M M M 1 M M 29 29 9 19 11 46 0 T T 1 M M M M M M M M 30 24 21 23 15 42 0 0.31 4.4 4 M M M M M M M M 31 34 23 29 21 36 0 0.12 0.8 6 M M M M M M 1 M M ================================================================================ SM 950 413 1327 0 0.54 6.7 M M M ================================================================================ AV 30.6 13.3 M FASTST M M 4 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: 2011 LATITUDE: 47 55 N LONGITUDE: 97 6 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 22.0 TOTAL FOR MONTH: 0.54 1 = FOG OR MIST DPTR FM NORMAL: 9.8 DPTR FM NORMAL: -0.11 2 = FOG REDUCING VISIBILITY HIGHEST: 50 ON 18 GRTST 24HR 0.31 ON 30-30 TO 1/4 MILE OR LESS LOWEST: -2 ON 5 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 6.7 INCHES 5 = HAIL GRTST 24HR 4.4 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 6 ON 31 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: 19 0.01 INCH OR MORE: 3 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 3 MIN 32 OR BELOW: 31 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 2 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 1327 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL -310 PTCLDY (SCALE 4-7) 0 TOTAL FM JUL 1 3035 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL -696 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 470 HIGHEST SLP M ON M DPTR FM NORMAL 7 LOWEST SLP M ON M [REMARKS] #FINAL-12-11#