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