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	14	13	39	217.3333
2	57	35	17	26	3	0	0	0	0	10	6	35	189.3333
3	47	34	33	20	17	0	1	0	0	18	6	34	211.3333
4	33	24	40	26	10	0	0	0	0	17	8	47	203
5	24	30	35	15	4	0	0	0	3	9	6	46	172.6667
6	9	34	37	11	0	0	0	0	0	7	7	43	148
7	7	36	43	15	8	0	0	0	2	2	21	44	178.6667
8	19	31	43	11	14	0	0	0	5	13	28	29	192.6667
9	30	41	35	23	14	0	0	0	9	12	33	30	226.6667
10	26	62	36	15	7	0	0	1	4	6	36	40	232.3333
11	33	53	30	15	18	0	0	0	0	0	27	37	213.6667
12	30	49	25	28	15	0	0	0	0	0	17	45	209
13	35	47	19	30	4	0	0	0	0	0	14	28	176.6667
14	43	36	22	26	15	0	0	0	3	6	20	26	198.3333
15	45	48	31	15	13	0	0	0	5	7	29	51	244
16	34	33	33	6	3	3	0	0	5	15	32	45	208.6667
17	42	27	27	2	7	1	0	0	0	14	37	49	207.3333
18	47	50	23	1	16	3	0	0	3	18	38	41	240.3333
19	62	51	31	12	13	0	0	0	1	15	29	39	251.3333
20	56	50	29	8	13	0	0	0	0	15	38	49	260
21	39	45	34	3	13	0	0	0	0	23	44	65	266
22	51	43	35	0	12	2	0	0	0	23	44	55	265
23	51	42	34	1	11	2	0	0	0	14	31	34	219.6667
24	61	35	30	0	7	0	0	0	0	18	31	45	226
25	47	34	22	1	0	0	0	0	0	18	33	42	197.6667
26	41	43	21	16	0	0	0	0	1	21	35	19	196.3333
27	39	48	31	17	15	0	0	0	2	28	29	18	227.3333
28	23	42	35	25	13	0	0	0	2	29	34	35	237
29	41	33	28	26	0	0	0	0	4	28	30	31	221.6667
30	53	0	18	12	0	1	0	0	10	17	33	34	177.3333
31	42	0	12	0	0	0	0	0	0	10	0	46	109.667
Total	1,214	1,173	922	436	265	12	1	1	59	428	789	1,222	6,525
Normal	1,273	1,067	833	470	201	35	0	7	103	398	715	1,106	6208
									.
Deviation From Normal	(59)	106	89	(34)	64	(23)	1	(6)	(44)	30	74	116	317