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	2009	2009	2009	2009	2009	2009	2009	2009	2009	2009	2009	2009	Total
1	37	38	48	17	15	2	4						160
2	42	46	49	14	10	5	0						167
3	33	50	40	27	7	11	0						169
4	38	55	26	23	6	8	1						157
5	43	51	8	27	6	0	0						135
6	37	26	12	31	6	0	0						113
7	45	22	18	28	2	0	0						115
8	49	33	23	22	3	0	1						131
9	40	19	24	17	16	4	0						119
10	42	12	19	24	14	0	0						111
11	44	23	39	26	15	3	0						150
12	40	32	42	20	6	0	0						139
13	57	34	34	25	2	2	0						155
14	59	37	26	24	6	0	0						153
15	76	39	18	19	5	0	0						157
16	66	37	15	15	15	0	0						149
17	45	27	6	10	16	2	2						109
18	52	37	19	3	7	0	2						121
19	53	47	34	16	1	0	3						153
20	51	43	29	22	0	0	0						145
21	42	42	20	25	0	0	0						130
22	36	46	18	19	0	0	0						119
23	41	45	19	4	0	0	0						110
24	58	33	7	0	1	0	0						99
25	57	24	19	3	0	0	0						104
26	50	21	20	0	0	0	0						91
27	47	40	26	3	0	0	0						116
28	49	41	23	15	10	0	0						139
29	46		32	11	6	0	0						94
30	56		20	4	3	1	0						85
31	35		20		1		0						56
Total	1,468	1,002	751	496	179	39	13	0	0	0	0	0	3,948
Normal	1,273	1,033	833	470	201	35	0						3,845
									.
Deviation From Normal	195	(31)	(82)	26	(22)	4	13	0	0	0	0	0	103