Weather Data - Hours available for evaporative cooling:


 Location:  Miami, FL      Elev: 7    Lat: 25/29N  Long:80/24W

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%
                           91        77         90       77         89        77           79        79         78
  
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             5 73 74.0 1 76 77.1 6.0
85 89 87       2 74 74.7 60 72 72.8 21 74 74.9 83.0
80 84 82 22 71 71.6 39 72 72.5 144 69 69.7 101 72 72.8 306.0
75 79 77 93 69 69.4 104 69 69.4 232 66 66.6 241 70 70.6 670.0
70 74 72 184 66 66.3 162 67 67.3 151 62 62.5 233 67 67.5 794.0
65 69 67 188 63 63.2 135 62 62.3 78 57 57.5 85 63 63.5 486.0
60 64 62 110 58 58.2 101 58 58.2 42 52 52.5 28 58 58.5 281.0
55 59 57 72 53 53.2 68 53 53.2 24 47 47.5 9 54 54.4 173.0
50 54 52 43 48 48.2 37 48 48.2 8 44 44.4 1 49 49.4 89.0
45 49 47 20 43 43.2 18 43 43.2 1 39 39.4       38.0
40 44 42 12 38 38.2 5 39 39.2             17.0
35 39 37 3 34 34.2 1 34 34.2             4.0
30 34 32                          
Total hours Temp out over 40(f)               Total hours for this period  

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                          
95 99 97 1 74 75.2 7 78 79.0 9 78 79.0 19 78 79.0 36.0
90 94 92 40 75 75.9 107 77 77.8 214 77 77.8 207 78 78.7 568.0
85 89 87 199 73 73.7 249 75 75.6 275 75 75.6 267 76 76.6 990.0
80 84 82 298 71 71.6 271 73 73.5 227 73 73.5 229 74 74.4 1025.0
75 79 77 162 69 69.4 85 71 71.3 18 71 71.3 22 72 72.3 287.0
70 74 72 35 64 64.4 1 66 66.3             36.0
65 69 67 8 59 59.4                   8.0
60 64 62 1 55 55.4                   1.0
55 59 57                          
50 54 52                          
45 49 47                          
40 44 42                          
35 39 37                          
30 34 32                          
Total hours Temp out over 40(f) 597   504   245   251 Total hours for this period 2951.0

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 11 78 78.7                   11.0
85 89 87 152 77 77.5 59 76 76.6 4 75 75.3       215.0
80 84 82 261 76 76.3 217 74 74.4 74 72 72.5 24 72 72.5 576.0
75 79 77 255 74 74.2 269 72 72.3 207 70 70.4 118 69 69.4 849.0
70 74 72 41 71 71.1 141 69 69.2 227 67 67.3 209 66 66.3 618.0
65 69 67       44 63 63.2 119 63 63.2 163 62 62.3 326.0
60 64 62       11 59 59.2 53 58 58.2 100 58 58.2 164.0
55 59 57       2 55 55.1 22 52 52.3 65 53 53.2 89.0
50 54 52             11 47 47.3 40 48 48.2 51.0
45 49 47             3 43 43.2 16 43 43.2 19.0
40 44 42             1 37 37.3 6 39 39.2 7.0
35 39 37                   2 37 37.0 2.0
30 34 32                          
Total hours Temp out over 40(f) 557   684   716   735 Total hours for this period 2918.0
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.