Preliminary Local Climatological Data (WS Form F-6) Station: TWIN CITIES INTERNATIONAL Month: APR Year: 2001 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 44 24 34 -5 31 0 0.00 M M 6.3 16 240 M M M 20 240 2 45 32 39 -1 26 0 0.23 M M 7.0 18 30 M M M 1 32 40 3 48 31 40 0 25 0 0.00 M M 10.3 18 90 M M M 24 100 4 54 35 45 4 20 0 0.00 M M 11.1 20 140 M M M 24 140 5 48 39 44 3 21 0 0.13 M M 8.2 18 120 M M M 8,1 21 130 6 52 39 46 4 19 0 1.50 M M 11.5 29 90 M M M 1,8,3 33 100 7 60 39 50 7 15 0 0.25 M M 24.6 44 200 M M M 1,3,8 52 200 8 54 37 46 3 19 0 0.00 M M 11.1 23 280 M M M 29 300 9 50 36 43 -1 22 0 0.00 M M 10.4 17 70 M M M 21 70 10 58 39 49 5 16 0 0.26 M M 9.6 18 70 M M M 1 23 80 11 52 45 49 5 16 0 0.95 M M 12.8 23 80 M M M 1 29 100 12 50 39 45 0 20 0 0.01 M M 15.6 30 290 M M M 1 38 300 13 56 31 44 -1 21 0 0.01 M M 10.1 23 200 M M M 28 200 14 63 35 49 3 16 0 0.02 M M 9.3 18 200 M M M 23 240 15 52 28 40 -6 25 0 0.28 M M 17.0 29 290 M M M 1 36 290 16 36 25 31 -16 34 0 T M M 19.4 32 290 M M M 39 330 17 49 30 40 -7 25 0 0.00 M M 8.5 16 10 M M M 25 20 18 57 30 44 -4 21 0 0.00 M M 6.8 15 230 M M M 8 18 200 19 64 43 54 6 11 0 0.25 M M 13.2 29 130 M M M 1 33 130 20 71 52 62 13 3 0 0.03 M M 11.8 24 120 M M M 1,8 28 110 21 59 43 51 2 14 0 0.66 M M 12.0 23 330 M M M 8,1 30 350 22 50 37 44 -6 21 0 2.21 M M 12.2 23 10 M M M 1,3 29 300 23 45 37 41 -9 24 0 0.07 M M 12.6 29 330 M M M 1,2 37 330 24 63 33 48 -2 17 0 0.03 M M 7.6 22 290 M M M 3,8 26 300 25 70 39 55 4 10 0 0.00 M M 9.2 22 230 M M M 1,8 24 240 26 77 55 66 15 0 1 0.00 M M 11.2 24 330 M M M 30 290 27 74 46 60 8 5 0 0.00 M M 5.7 15 90 M M M 20 90 28 74 55 65 13 0 0 0.00 M M 17.1 26 140 M M M 32 140 29 84 60 72 20 0 7 0.00 M M 19.7 35 200 M M M 41 200 30 73 56 65 12 0 0 0.11 M M 12.3 25 220 M M M 8,1 31 220 =============================================================================== Sm 1732 1170 497 8 7.00 M 354.2 M M =============================================================================== Av 57.7 39.0 11.8 Fastst Psbl % M Max(mph) Misc ----> 44 200 52 200 =============================================================================== 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: 2001 [Temperature Data] [Precipitation Data] SYMBOLS USED IN COLUMN 16 Average Monthly: 48.4 Total for month: 7.00 1 = FOG Dptr fm normal: 2.0 Dptr fm normal: 4.58 2 = FOG REDUCING VISIBILITY Highest: 84 on 29 Grtst 24 hr 2.22 on 22-23 TO 1/4 MILE OR LESS Lowest: 24 on 1 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: 0 0.01 inch or more: 17 Max 90 or above: 0 0.10 inch or more: 11 Min 32 or below: 8 0.50 inch or more: 4 Min 0 or below: 0 1.00 inch or more: 2 [HDD (Base 65)] Total this Mo. 497 Clear (scale 0-3): M Dptr fm normal -61 PtCldy (scale 4-7): M Seasonal total 7826 Cloudy (scale 8-10): M Dptr fm normal 130 [CDD (Base 65)] Total this Mo. 8 Dptr fm normal 8 [Pressure Data] Seasonal total 8 Highest SLP: 30.58 on 17 Dptr fm normal 8 Lowest SLP: 29.00 on 7 =============================================================================== # = LAST OF SEVERAL OCCURRENCES