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	0	0	0	0	0	0	0	0	135.3333
3	47	34	33	20	0	0	0	0	0	0	0	0	134
4	33	24	40	26	0	0	0	0	0	0	0	0	122
5	24	30	35	15	0	0	0	0	0	0	0	0	104.3333
6	9	34	37	11	0	0	0	0	0	0	0	0	91
7	7	36	43	15	0	0	0	0	0	0	0	0	101
8	19	31	43	11	0	0	0	0	0	0	0	0	104.3333
9	30	41	35	23	0	0	0	0	0	0	0	0	129
10	26	62	36	15	0	0	0	0	0	0	0	0	138.6667
11	33	53	30	15	0	0	0	0	0	0	0	0	131
12	30	49	25	28	0	0	0	0	0	0	0	0	132.3333
13	35	47	19	30	0	0	0	0	0	0	0	0	130.6667
14	43	36	22	26	0	0	0	0	0	0	0	0	127.6667
15	45	48	31	15	0	0	0	0	0	0	0	0	139
16	34	33	33	6	0	0	0	0	0	0	0	0	105.3333
17	42	27	27	2	0	0	0	0	0	0	0	0	98.33333
18	47	50	23	1	0	0	0	0	0	0	0	0	120.6667
19	62	51	31	12	0	0	0	0	0	0	0	0	155.3333
20	56	50	29	8	0	0	0	0	0	0	0	0	144
21	39	45	34	3	0	0	0	0	0	0	0	0	120.3333
22	51	43	35	0	0	0	0	0	0	0	0	0	129.3333
23	51	42	34	1	0	0	0	0	0	0	0	0	128.3333
24	61	35	30	0	0	0	0	0	0	0	0	0	125.3333
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	120.3333
27	39	48	31	17	0	0	0	0	0	0	0	0	135
28	23	42	35	25	0	0	0	0	0	0	0	0	124.3333
29	41	33	28	26	0	0	0	0	0	0	0	0	128
30	53	0	18	12	0	0	0	0	0	0	0	0	82.33333
31	42	0	12	0	0	0	0	0	0	0	0	0	54.00033
Total	1,214	1,173	922	436	0	0	0	0	0	0	0	0	3,746
Normal	1,273	1,067	833	470	0	0	0	0	0	0	0	0	3643
									.
Deviation From Normal	(59)	106	89	(34)	0	0	0	0	0	0	0	0	103