Weather Data - Hours available for evaporative cooling:


 Location:   Kansas City, MO      Elev:1090    Lat: 38/51N  Long:94/31W

Mean Frequency of occurrence of Dry Bulb Temperature with Mean Coincident Wet Bulb Temperature for each Dry Bulb Temperature Range:

                               ASHRAE  design Dry Bulb and Mean Coincident Wet Bulb:
                          
   1% Scale:    2.5% Scale:    5% Scale:            Design Wet Bulb:
                           Db       Wb       Db      Wb        Db      Wb           1%     2.5%     5%
                           99         75        96       74         93        74           78       77         76
  
Average number of hours within each temperature range and discharge temp. (see notes):

January - April Weather Data

Temp Range: Deg (f) January February March April Total
Low High Mean Hours Wb Tout Hours Wb Tout Hours Wb Tout Hours Wb Tout  
115 120 117.5                          
110 114 112                          
105 109 107                          
100 104 102                          
95 99 97                          
90 94 92                          
85 89 87                   2 65 66.1 2.0
80 84 82             1 60 61.1 9 64 64.9 10.0
75 79 77             6 59 59.9 25 62 62.8 31.0
70 74 72             13 57 57.8 45 60 60.6 58.0
65 69 67 2 56 56.6 3 53 54.0 21 54 54.7 75 57 57.5 101.0
60 64 62 5 55 55.4 5 50 50.6 33 52 52.5 93 54 54.4 136.0
55 59 57 11 51 51.3 12 49 49.4 44 48 48.5 113 47 47.9 180.0
50 54 52 17 46 46.3 30 45 45.4 56 44 44.4 103 46 46.3 206.0
45 49 47 33 41 41.3 45 41 41.3 81 41 41.3 99 42 42.3 258.0
40 44 42 59 37 37.3 74 38 38.2 93 37 37.3 80 38 38.2 306.0
35 39 37 86 33 33.2 103 33 33.2 120 33 33.2 45 34 34.2 354.0
30 34 32 110 29 29.2 118 29 29.2 124 29 29.2 24 30 30.1 376.0
Total hours Temp out over 40(f) 68   95   255   564 Total hours for this period 982.0

Note: 1.  Db = Dry Bulb(f) temperature, Wb = Mean coincident wet bulb temp (f).  Tout = Discharge Temperature (f).   Only hours where discharge temp is over 400(f) is included in total hours available for evaporative cooling.

May - August Weather Data

Temp Range: Deg (f) May June July August Total
Low High Mean Hours Wb Tout Hours Wb Tout Hours Wb Tout Hours Wb Tout  
115 120 117.5                          
110 114 112                          
105 109 107                          
100 104 102                   1 77 79.0 1.0
95 99 97             6 77 78.0 9 75 76.9 15.0
90 94 92 1 70 71.1 9 75 75.9 41 77 77.8 35 75 76.6 86.0
85 89 87 15 70 70.9 47 73 73.7 80 75 75.6 79 73 74.5 221.0
80 84 82 46 68 68.7 95 71 71.6 128 72 72.5 110 71 72.3 379.0
75 79 77 76 65 65.6 129 69 69.4 169 70 70.4 149 69 70.2 523.0
70 74 72 109 63 63.5 157 66 66.3 170 67 67.3 164 67 68.0 600.0
65 69 67 129 60 60.6 145 63 63.5 101 63 63.2 107 63 64.0 482.0
60 64 62 136 56 56.3 89 59 59.2 36 59 59.2 66 59 59.9 327.0
55 59 57 104 52 52.3 37 54 54.2 8 54 54.2 18 55 55.9 167.0
50 54 52 73 48 48.2 11 50 50.1 3 50 50.1 6 50 50.9 93.0
45 49 47 38 43 43.2 2 46 46.3             40.0
40 44 42 16 39 39.2                   16.0
35 39 37 3 34 34.4                   3.0
30 34 32                          
Total hours Temp out over 40(f) 727   721   742   744 Total hours for this period 2934.0

September - December Weather Data

Temp Range: Deg (f) September October November December Total
Low High Mean Hours Wb Tout Hours Wb Tout Hours Wb Tout Hours Wb Tout  
115 120 117.5                          
110 114 112                          
105 109 107                          
100 104 102                          
95 99 97                          
90 94 92 8 74 74.9 1 64 65.4             9.0
85 89 87 27 72 72.8 5 66 64.1             32.0
80 84 82 44 70 70.6 14 66 66.8             58.0
75 79 77 87 67 67.5 31 63 63.7 1 62 62.8       119.0
70 74 72 126 65 65.4 59 61 61.6 10 61 61.6       197.0
65 69 67 142 62 62.3 83 59 59.4 25 58 58.5 2 57 57.5 252.0
60 64 62 112 57 57.3 116 55 55.4 44 54 54.4 12 55 55.4 284.0
55 59 57 90 53 53.2 122 51 51.3 59 50 50.4 20 50 50.4 261.0
50 54 52 54 49 49.2 110 46 46.3 82 45 45.4 31 46 46.3 277.0
45 49 47 24 45 45.1 95 42 42.3 98 42 42.3 52 41 41.3 269.0
40 44 42 5 40 40.1 63 38 38.2 114 38 38.2 89 38 38.2

5.0

35 39 37 1 36 36.1 32 34 34.2 119 34 34.2 114 33 33.2  
30 34 32       12 30 30.1 85 29 29.2 135 29 29.2  
Total hours Temp out over 40(f) 719   636   319   117 Total hours for this period 1763.0
Total hours available for evaporative cooling  

Data published by Premier Industries, Inc., in part from data contained in EcoDyne's Weather Data Handbook no longer in print.  Premier Industries, Inc., provides these data for informational use only.  All reasonable precautions have been taken to maintain integrity in these data however  Premier Industries will not be responsible for it's accuracy.  Any responsibility for the use of this information shall be borne by the user.