PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: GRAND FORKS UNIV. (NWS) MONTH: APRIL 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 37 32 35 2 30 0 0.26 1.0 0 M M M 0 M M M M 2 34 21 28 -6 37 0 T T 0 M M M 0 M M M M 3 22 14 18 -16 47 0 0.13 2.7 T M M M 0 M M M M 4 24 12 18 -17 47 0 T 0.2 2 M M M 86 M M M M 5 23 11 17 -19 48 0 T T T M M M 287 M M M M 6 21 12 17 -19 48 0 0.00 0.0 T M M M 579 M M M M 7 30 13 22 -15 43 0 0.00 0.0 0 M M M 709 M M M M 8 33 13 23 -15 42 0 0.00 0.0 0 M M M 653 M M M M 9 37 16 27 -11 38 0 0.00 0.0 0 M M M 646 M M M M 10 43 26 35 -4 30 0 0.00 0.0 0 M M M 578 M M M M 11 43 30 37 -3 28 0 0.00 0.0 0 M M M 564 M M M M 12 48 26 37 -3 28 0 0.00 0.0 0 M M M 632 M M M M 13 52 27 40 -1 25 0 0.01 0.0 0 M M M 758 M M M M 14 55 28 42 1 23 0 0.00 0.0 0 M M M 786 M M M M 15 66 28 47 5 18 0 0.00 0.0 0 M M M 780 M M M M 16 59 36 48 6 17 0 0.01 0.0 0 M M M 770 M M M M 17 61 26 44 1 21 0 0.00 0.0 0 M M M 797 M M M M 18 63 32 48 5 17 0 0.00 0.0 0 M M M 801 M M M M 19 66 36 51 7 14 0 0.05 0.0 0 M M M 771 M M M M 20 70 45 58 14 7 0 0.06 0.0 0 M M M 797 M M M M 21 63 50 57 12 8 0 0.00 0.0 0 M M M 604 M M M M 22 68 44 56 11 9 0 0.00 0.0 0 M M M 775 M M M M 23 59 35 47 1 18 0 0.00 0.0 0 M M M 806 M M M M 24 66 39 53 6 12 0 0.02 0.0 0 M M M 680 M M M M 25 71 34 53 6 12 0 0.00 0.0 0 M M M 811 M M M M 26 78 44 61 13 4 0 0.00 0.0 0 M M M 785 M M M M 27 67 45 56 8 9 0 0.00 0.0 0 M M M 807 M M M M 28 80 40 60 12 5 0 0.00 0.0 0 M M M 791 M M M M 29 70 51 61 12 4 0 0.00 0.0 0 M M M 833 M M M M 30 73 46 60 11 5 0 0.04 0.0 0 M M M 658 M M M M ================================================================================ SM 1582 912 694 0 0.58 3.9 M 18544 M ================================================================================ AV 52.7 30.4 M FASTST PSBL % 3 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: APRIL YEAR: 2007 LATITUDE: 47 55 N LONGITUDE: 97 6 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 41.6 TOTAL FOR MONTH: 0.58 1 = FOG OR MIST DPTR FM NORMAL: -0.4 DPTR FM NORMAL: -0.65 2 = FOG REDUCING VISIBILITY HIGHEST: 80 ON 28 GRTST 24HR 0.26 ON 1- 1 TO 1/4 MILE OR LESS LOWEST: 11 ON 5 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 3.9 INCHES 5 = HAIL GRTST 24HR 2.7 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 2 ON 4 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: 5 0.01 INCH OR MORE: 8 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 2 MIN 32 OR BELOW: 17 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 694 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL 10 PTCLDY (SCALE 4-7) 0 TOTAL FM JUL 1 8636 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL -293 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL -2 [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP M ON M DPTR FM NORMAL 0 LOWEST SLP M ON M [REMARKS] #FINAL-04-07#