ATTACHMENT A
HEAT INDEX
Locate the actual temperature and read down to the relative humidity to find the perceived temperature.
75 80 85 90 95 100 105 110 115 120 125 Actual Temperature (F)
Relative
Humidity
0% 69 73 78 83 87 91 95 99 103 107 111
10% 70 75 80 85 90 95 100 105 111 116 128
20% 72 77 82 87 93 99 105 112 120 130 145
30% 73 78 84 90 96 104 113 123 135 148
40% 74 79 86 93 101 110 123 137 151
50% 75 81 88 96 107 120 135 150
60% 76 82 90 100 114 132 149
70% 77 85 93 106 124 144
80% 78 86 97 113 136
90% 79 88 102 122 138
100% 80 91 108 136