Ill. Admin. Code tit. 77, pt. 330, subpt. R, tbl. A

Current through Register Vol. 48, No. 49, December 6, 2024

Table A - 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)

Ill. Admin. Code tit. 77, pt. 330, subpt. R, tbl. A

Amended at 22 Ill. Reg. 7203, effective April 15, 1998

Emergency amendment to emergency rule at 46 Ill. Reg. 18268, effective 10/31/2022, for the remainder of the 150 days.