PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: INTERNATIONAL FALLS MN MONTH: APRIL YEAR: 2011 LATITUDE: 48 34 N LONGITUDE: 93 23 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 38 32 35 3 30 0 0.07 0.5 3 4.1 10 280 M M 10 1 13 290 2 49 33 41 9 24 0 0.00 0.0 3 5.6 12 270 M M 6 15 280 3 38 33 36 3 29 0 0.52 1.6 1 9.9 18 70 M M 10 12 26 60 4 38 27 33 0 32 0 0.11 0.5 2 13.9 26 310 M M 6 1 32 300 5 46 20 33 -1 32 0 0.00 0.0 0 5.3 13 230 M M 2 18 220 6 50 22 36 2 29 0 0.00 0.0 0 2.5 12 230 M M 5 12 16 240 7 47 31 39 4 26 0 0.04 0.0 0 5.4 13 50 M M 5 20 60 8 54 36 45 10 20 0 T 0.0 0 6.7 13 50 M M 6 16 70 9 59 39 49 13 16 0 0.04 0.0 0 4.2 14 200 M M 7 1 18 210 10 44 38 41 5 24 0 1.21 0.0 0 8.5 21 360 M M 9 13 28 350 11 59 34 47 10 18 0 0.00 0.0 0 10.4 21 310 M M 2 25 310 12 70 31 51 14 14 0 0.00 0.0 0 9.6 24 270 M M 3 31 260 13 44 26 35 -3 30 0 0.00 0.0 0 10.8 21 330 M M 1 26 330 14 42 21 32 -7 33 0 0.00 0.0 0 9.5 17 90 M M 0 23 90 15 46 26 36 -3 29 0 0.06 T 0 14.2 20 110 M M 4 1 30 100 16 32 23 28 -12 37 0 0.47 6.2 3 10.7 20 340 M M 10 128 24 330 17 33 23 28 -12 37 0 0.02 1.2 4 8.7 18 340 M M 9 18 22 340 18 40 18 29 -12 36 0 0.01 T 1 0.9 7 210 M M 8 9 230 19 44 18 31 -10 34 0 0.00 0.0 0 4.6 15 30 M M 4 22 130 20 45 29 37 -5 28 0 0.01 T 0 5.1 17 280 M M 7 18 21 290 21 53 25 39 -3 26 0 0.00 0.0 0 5.9 16 220 M M 1 21 210 22 51 37 44 1 21 0 0.09 0.0 0 8.8 16 120 M M 10 1 21 200 23 53 31 42 -1 23 0 0.16 0.0 0 7.0 18 300 M M 7 1 24 290 24 62 32 47 3 18 0 T 0.0 0 10.4 28 290 M M 4 39 270 25 64 31 48 4 17 0 0.00 0.0 0 6.6 12 80 M M 0 16 80 26 57 39 48 3 17 0 0.00 0.0 0 9.6 20 70 M M 0 28 70 27 46 35 41 -4 24 0 0.18 0.0 0 10.5 20 20 M M 4 1 26 40 28 60 29 45 -1 20 0 0.00 0.0 0 4.1 12 20 M M 1 15 30 29 68 27 48 2 17 0 0.00 0.0 0 9.0 21 140 M M 0 29 130 30 50 41 46 -1 19 0 0.75 0.0 0 10.6 20 140 M M 6 18 28 230 ================================================================================ SM 1482 887 760 0 3.74 10.0 233.1 M 147 ================================================================================ AV 49.4 29.6 7.8 FASTST M M 5 MAX(MPH) MISC ----> # 28 290 # 39 270 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: INTERNATIONAL FALLS MN MONTH: APRIL YEAR: 2011 LATITUDE: 48 34 N LONGITUDE: 93 23 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 39.5 TOTAL FOR MONTH: 3.74 1 = FOG OR MIST DPTR FM NORMAL: 0.2 DPTR FM NORMAL: 2.36 2 = FOG REDUCING VISIBILITY HIGHEST: 70 ON 12 GRTST 24HR 1.21 ON 10-10 TO 1/4 MILE OR LESS LOWEST: 18 ON 19,18 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 10.0 INCHES 5 = HAIL GRTST 24HR 6.2 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 4 ON 17 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: 1 0.01 INCH OR MORE: 15 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7 MIN 32 OR BELOW: 20 0.50 INCH OR MORE: 3 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 760 CLEAR (SCALE 0-3) 10 DPTR FM NORMAL -15 PTCLDY (SCALE 4-7) 14 TOTAL FM JUL 1 9674 CLOUDY (SCALE 8-10) 6 DPTR FM NORMAL -77 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL -1 [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP 30.52 ON 14 DPTR FM NORMAL -1 LOWEST SLP 29.25 ON 10 [REMARKS] #FINAL-04-11#