Ill. Admin. Code tit. 77, pt. 300, subpt. U, tbl. D - Heat Index Table/Apparent Temperature
Air Temperature (degrees Fahrenheit)
|
(Relative Humidity Percent) |
70 |
75 |
80 |
85 |
90 |
95 |
100 |
105 |
110 |
115 |
120 |
125 |
130 |
135 |
|
5 |
64 |
69 |
74 |
79 |
84 |
88 |
93 |
97 |
102 |
107 |
111 |
116 |
122 |
128 |
|
10 |
65 |
70 |
75 |
80 |
85 |
90 |
95 |
100 |
105 |
111 |
116 |
123 |
131 |
|
|
15 |
65 |
71 |
76 |
81 |
86 |
91 |
97 |
102 |
108 |
115 |
123 |
131 |
||
|
20 |
66 |
72 |
77 |
82 |
87 |
93 |
99 |
105 |
112 |
120 |
130 |
141 |
||
|
25 |
66 |
72 |
77 |
83 |
88 |
94 |
101 |
109 |
117 |
127 |
139 |
|||
|
30 |
67 |
73 |
78 |
84 |
90 |
96 |
104 |
113 |
123 |
135 |
148 |
|||
|
35 |
67 |
73 |
79 |
85 |
91 |
98 |
107 |
118 |
130 |
143 |
||||
|
40 |
68 |
74 |
79 |
86 |
93 |
101 |
110 |
123 |
137 |
151 |
||||
|
45 |
68 |
74 |
80 |
87 |
95 |
104 |
115 |
129 |
143 |
|||||
|
50 |
69 |
75 |
81 |
88 |
96 |
107 |
120 |
135 |
150 |
|||||
|
55 |
69 |
75 |
81 |
89 |
98 |
110 |
126 |
142 |
||||||
|
60 |
70 |
76 |
82 |
90 |
100 |
114 |
132 |
149 |
||||||
|
65 |
70 |
76 |
83 |
91 |
102 |
119 |
138 |
|||||||
|
70 |
70 |
77 |
85 |
93 |
106 |
124 |
144 |
|||||||
|
75 |
70 |
77 |
86 |
95 |
109 |
130 |
||||||||
|
80 |
71 |
78 |
86 |
97 |
113 |
136 |
||||||||
|
85 |
71 |
78 |
87 |
99 |
117 |
|||||||||
|
90 |
71 |
79 |
88 |
102 |
122 |
|||||||||
|
95 |
71 |
79 |
89 |
105 |
(Table is from the National Oceanic and Atmospheric Administration)
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.