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	Total
Day	2002	2002	2002	2002	2002	2002	2002	2002	2002	2002	2002	2002	2002
1	46	33	39	27	9	0	0	0	0	0	31	39
2	42	36	30	21	16	1	0	0	0	0	29	38
3	43	35	49	27	18	0	0	0	0	0	29	50
4	39	43	55	31	11	0	0	0	0	2	26	46
5	33	39	37	32	2	7	0	0	0	8	27	43
6	34	34	23	29	1	7	0	0	0	8	26	43
7	42	31	23	21	9	2	0	0	0	18	19	32
8	36	28	13	12	11	0	0	0	0	13	9	40
9	21	20	24	21	8	0	0	0	0	9	7	42
10	25	28	41	16	10	0	0	0	0	7	9	34
11	29	34	33	4	14	0	0	0	0	4	22	31
12	31	29	22	5	12	2	0	0	1	7	26	33
13	31	36	16	10	16	3	0	0	0	22	19	30
14	25	29	14	3	13	3	0	0	0	20	18	32
15	33	26	20	0	7	0	0	0	1	16	29	29
16	35	29	27	0	8	3	0	0	0	23	33	37
17	39	34	26	0	21	0	0	0	0	25	32	33
18	43	27	25	0	22	0	0	0	0	17	28	19
19	39	22	24	5	22	0	0	0	0	20	21	22
20	34	19	28	16	21	0	0	1	0	23	17	31
21	31	33	40	22	18	0	0	0	0	20	26	33
22	22	34	39	26	10	0	0	0	10	21	31	35
23	21	28	26	19	2	0	0	0	9	21	27	36
24	30	19	29	7	10	0	0	0	10	23	30	38
25	27	25	38	18	10	0	0	0	5	22	34	37
26	19	40	37	22	7	0	0	0	2	20	38	43
27	18	44	34	18	5	0	0	0	1	21	42	41
28	17	44	29	16	0	0	0	0	0	19	37	37
29	25	0	24	16	0	0	0	0	0	25	26	32
30	31	0	21	11	0	0	0	0	0	23	37	21
31	32	0	27	0	0	0	0	0	0	24	0	28
Total	973	879	913	455	313	28	0	1	39	481	785	1,085	5,952
Normal	1,293	1,076	841	476	221	22	2	13	74	372	706	1,119	6,215
Deviation
From Normal	(320)	(197)	72	(21)	92	6	(2)	(12)	(35)	109	79	(34)	(263)