|
Heat Index
Heat Index
Temperature vs. Humidity
How to read the chart: find the temperature on the left hand side, then move
to the right until you find the column for the approximate relative humidity.
That number will be the temperature that it will "feel" like. Example: A temperature
of 95 and relative humidity of 50% will "feel" like 107 degrees.
|
0% |
5% |
10% |
15% |
20% |
25% |
30% |
35% |
40% |
45% |
50% |
55% |
60% |
65% |
70% |
75% |
80% |
115 |
103 |
107 |
111 |
115 |
120 |
127 |
135 |
143 |
151 |
|
|
|
|
|
|
|
|
110 |
99 |
102 |
105 |
108 |
112 |
117 |
123 |
130 |
137 |
143 |
151 |
|
|
|
|
|
|
105 |
95 |
97 |
100 |
102 |
105 |
109 |
113 |
118 |
123 |
129 |
135 |
142 |
149 |
|
|
|
|
100 |
91 |
93 |
95 |
97 |
99 |
101 |
104 |
107 |
110 |
115 |
120 |
126 |
132 |
136 |
144 |
|
|
95 |
87 |
88 |
90 |
91 |
93 |
94 |
96 |
98 |
101 |
104 |
107 |
110 |
114 |
119 |
124 |
130 |
136 |
90 |
83 |
84 |
85 |
86 |
87 |
88 |
90 |
91 |
93 |
95 |
96 |
98 |
100 |
102 |
106 |
109 |
113 |
85 |
78 |
79 |
80 |
81 |
82 |
83 |
84 |
85 |
86 |
87 |
88 |
89 |
90 |
91 |
93 |
95 |
97 |
80 |
73 |
74 |
75 |
76 |
77 |
77 |
78 |
79 |
79 |
80 |
81 |
81 |
82 |
83 |
85 |
86 |
86 |
75 |
69 |
69 |
70 |
71 |
72 |
72 |
73 |
73 |
74 |
74 |
75 |
75 |
76 |
76 |
77 |
77 |
78 |
70 |
64 |
64 |
65 |
65 |
66 |
66 |
67 |
67 |
68 |
68 |
69 |
69 |
70 |
70 |
70 |
70 |
71 |
IMPORTANT: Heat index values were devised for shaddy, light wind conditions. Exposure
to full sunshine can increase values by up to 15 degrees! Also, strong winds, particularly with
very hot, dry air, can be extremely hazardous.
Or, if you know the temperature and the dewpoint, figure out the heat index and relative humidity (RH)
using this calculator.
|
|
|
|
Webmaster
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Los Angeles/Oxnard Weather Forecast Office
520 North Elevar Street
Oxnard, CA 93030
Tel: (805) 988-6610
|
Disclaimer
Information Quality
Credits
Glossary |
Privacy Policy
Freedom of Information Act
About Us
Career Opportunities
|
National Weather Service Mission: "The
National Weather Service (NWS) provides weather,
hydrologic, and climate forecasts and warnings for
the United States, its territories, adjacent waters
and ocean areas, for the protection of life and
property and the enhancement of the national economy.
NWS data and products form a national information
database and infrastructure which can be used by
other governmental agencies, the private sector,
the public, and the global community." |
|
|