NORTHERN INDIANA PUBLIC SERVICE COMPANY
Daily Heating Degree Days Average All Weather Zones
Total Company
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day	2008	2008	2008	2008	2008	2008	2008	2008	2008	2008	2008	2008	Total
1	49	37	33	31	0	0	0	0	0	0	0	0	150.6667
2	57	35	17	26	3	0	0	0	0	0	0	0	138
3	47	34	33	20	17	0	0	0	0	0	0	0	151.3333
4	33	24	40	26	10	0	0	0	0	0	0	0	132
5	24	30	35	15	4	0	0	0	0	0	0	0	108.6667
6	9	34	37	11	0	0	0	0	0	0	0	0	91
7	7	36	43	15	8	0	0	0	0	0	0	0	109
8	19	31	43	11	14	0	0	0	0	0	0	0	118.3333
9	30	41	35	23	14	0	0	0	0	0	0	0	143.3333
10	26	62	36	15	7	0	0	0	0	0	0	0	145.3333
11	33	53	30	15	18	0	0	0	0	0	0	0	148.6667
12	30	49	25	28	15	0	0	0	0	0	0	0	147
13	35	47	19	30	4	0	0	0	0	0	0	0	134.3333
14	43	36	22	26	15	0	0	0	0	0	0	0	143
15	45	48	31	15	13	0	0	0	0	0	0	0	152.3333
16	34	33	33	6	3	3	0	0	0	0	0	0	111.6667
17	42	27	27	2	7	1	0	0	0	0	0	0	107
18	47	50	23	1	16	3	0	0	0	0	0	0	139.6667
19	62	51	31	12	13	0	0	0	0	0	0	0	168
20	56	50	29	8	13	0	0	0	0	0	0	0	157.3333
21	39	45	34	3	13	0	0	0	0	0	0	0	133.3333
22	51	43	35	0	12	2	0	0	0	0	0	0	143
23	51	42	34	1	11	2	0	0	0	0	0	0	141
24	61	35	30	0	7	0	0	0	0	0	0	0	132
25	47	34	22	1	0	0	0	0	0	0	0	0	104
26	41	43	21	16	0	0	0	0	0	0	0	0	120.6667
27	39	48	31	17	15	0	0	0	0	0	0	0	150
28	23	42	35	25	13	0	0	0	0	0	0	0	137
29	41	33	28	26	0	0	0	0	0	0	0	0	128.3333
30	53	0	18	12	0	1	0	0	0	0	0	0	83.66667
31	42	0	12	0	0	0	0	0	0	0	0	0	54.00033
Total	1,214	1,173	922	436	265	12	0	0	0	0	0	0	4,024
Normal	1,273	1,067	833	470	201	35	0	0	0	0	0	0	3879
									.
Deviation From Normal	(59)	106	89	(34)	64	(23)	0	0	0	0	0	0	145