Preliminary Local Climatological Data (WS Form F-6) Station: TWIN CITIES INTERNATIONAL Month: APR Year: 2002 Temperature in F : :Pcpn :Snow: Wind :Sunshine: Sky :Pk Wnd Columns 1 2 3 4 5 6a 6b 7 8 9 10 11 12 13 14 15 16 17 18 Dy Max Min Avg Dep HDD CDD Wtr Snw Dpth Avg Spd Dir Min Psbl S-S Wx Spd Dr 1 29 22 26 -14 39 0 0.31 M M 9.1 17 110 M M M 1,2 21 120 2 36 23 30 -10 35 0 0.40 M M 11.9 24 320 M M M 30 320 3 30 20 25 -16 40 0 T M M 10.9 21 320 M M M 24 310 4 32 23 28 -13 37 0 T M M 4.7 13 290 M M M 20 280 5 38 17 28 -14 37 0 0.00 M M 4.0 15 320 M M M 1,8 25 20 6 47 24 36 -6 29 0 0.00 M M 13.5 28 160 M M M 1,8 33 150 7 54 43 49 6 16 0 0.00 M M 8.6 17 230 M M M 1 21 240 8 52 36 44 1 21 0 0.00 M M 9.8 21 330 M M M 1,2,8 25 330 9 54 29 42 -2 23 0 T M M 7.2 13 110 M M M 16 340 10 59 44 52 8 13 0 0.52 M M 9.7 22 340 M M M 1,8,3 25 10 11 51 42 47 2 18 0 0.50 M M 6.2 15 330 M M M 1 24 20 12 63 42 53 8 12 0 0.00 M M 4.5 9 210 M M M 1 12 210 13 65 44 55 10 10 0 0.16 M M 8.6 21 180 M M M 1,3,8 24 180 14 76 53 65 19 0 0 0.06 M M 10.4 30 170 M M M 3,1,8 36 180 15 91 55 73 27 0 8 0.00 M M 13.3 23 200 M M M 30 220 16 84 62 73 26 0 8 0.11 M M 19.0 31 210 M M M 3,1 43 200 17 67 50 59 12 6 0 0.04 M M 11.4 24 280 M M M 35 280 18 87 47 67 19 0 2 0.15 M M 16.7 29 100 M M M 3,5 35 100 19 53 39 46 -2 19 0 0.00 M M 13.2 22 340 M M M 26 40 20 52 34 43 -6 22 0 0.00 M M 12.8 22 70 M M M 26 60 21 42 31 37 -12 28 0 0.30 M M 9.7 21 60 M M M 1,2 25 80 22 42 32 37 -13 28 0 T M M 6.9 15 140 M M M 18 160 23 67 36 52 2 13 0 0.00 M M 15.8 25 150 M M M 31 160 24 64 38 51 0 14 0 T M M 19.6 36 290 M M M 41 300 25 44 31 38 -13 27 0 0.00 M M 18.0 36 300 M M M 47 310 26 51 30 41 -10 24 0 0.00 M M 6.6 21 80 M M M 24 80 27 45 33 39 -13 26 0 0.67 M M 19.9 31 90 M M M 1 39 90 28 43 34 39 -13 26 0 0.01 M M 10.4 20 10 M M M 24 10 29 65 42 54 1 11 0 T M M 14.8 32 300 M M M 44 290 30 63 39 51 -2 14 0 T M M 6.4 18 320 M M M 24 320 Sm 1646 1095 588 18 3.23 M 333.6 M M Av 54.9 36.5 11.1 Fastst Psbl % M Max(mph) Misc ----> 36 300 47 310 Notes: # Last of several occurrences Column 17 Peak Wind in MPH Preliminary Local Climatological Data (WS Form F-6), Page 2 Station: TWIN CITIES INTERNATIONAL Month: APR Year: 2002 [Temperature Data] [Precipitation Data] SYMBOLS USED IN COLUMN 16 Average Monthly: 45.7 Total for month: 3.23 1 FOG Dptr fm normal: -0.9 Dptr fm normal: 0.92 2 FOG REDUCING VISIBILITY Highest: 91 on 15 Grtst 24 hr 0.68 on 27-28 TO 1/4 MILE OR LESS Lowest: 17 on 5 3 THUNDER SNOW, ICE PELLETS, HAIL 4 ICE PELLETS Total for month M In 5 HAIL Grtst 24 hr -2.0 on30# 6 GLAZE OR RIME Grtst depth: M on - 7 BLOWING DUST OR SAND: 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: 3 0.01 inch or more: 12 Max 90 or above: 1 0.10 inch or more: 9 Min 32 or below: 11 0.50 inch or more: 3 Min 0 or below: 0 1.00 inch or more: 0 [HDD (Base 65)] Total this Mo. 588 Clear (scale 0-3): M Dptr fm normal 30 PtCldy (scale 4-7): M Seasonal total 6466 Cloudy (scale 8-10): M Dptr fm normal -1230 [CDD (Base 65)] Total this Mo. 18 Dptr fm normal 14 [Pressure Data] Seasonal total 18 Highest SLP: 30.54 on 4 Dptr fm normal 14 Lowest SLP: 29.46 on 16 # LAST OF SEVERAL OCCURRENCES