NORTHERN INDIANA PUBLIC SERVICE COMPANY
Daily Heating Degree Days VALPARAISO Weather Zone
ZONE 1
	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	53	38	33	31	0	0	0	0	0	0	0	0	155
2	59	36	16	26	0	0	0	0	0	0	0	0	137
3	48	35	36	20	0	0	0	0	0	0	0	0	139
4	33	25	39	26	0	0	0	0	0	0	0	0	123
5	24	31	33	14	0	0	0	0	0	0	0	0	102
6	8	35	36	10	0	0	0	0	0	0	0	0	89
7	7	37	43	16	0	0	0	0	0	0	0	0	103
8	21	31	44	15	0	0	0	0	0	0	0	0	111
9	30	43	35	23	0	0	0	0	0	0	0	0	131
10	27	64	38	14	0	0	0	0	0	0	0	0	143
11	34	53	29	17	0	0	0	0	0	0	0	0	133
12	30	48	24	29	0	0	0	0	0	0	0	0	131
13	36	46	19	30	0	0	0	0	0	0	0	0	131
14	46	37	21	27	0	0	0	0	0	0	0	0	131
15	44	49	32	15	0	0	0	0	0	0	0	0	140
16	33	32	34	6	0	0	0	0	0	0	0	0	105
17	44	28	28	2	0	0	0	0	0	0	0	0	102
18	49	53	25	1	0	0	0	0	0	0	0	0	128
19	64	51	31	13	0	0	0	0	0	0	0	0	159
20	56	51	29	9	0	0	0	0	0	0	0	0	145
21	39	46	33	4	0	0	0	0	0	0	0	0	122
22	53	43	35	0	0	0	0	0	0	0	0	0	131
23	54	41	34	1	0	0	0	0	0	0	0	0	130
24	64	34	29	0	0	0	0	0	0	0	0	0	127
25	48	34	21	3	0	0	0	0	0	0	0	0	106
26	44	41	21	17	0	0	0	0	0	0	0	0	123
27	39	48	31	20	0	0	0	0	0	0	0	0	138
28	24	41	36	27	0	0	0	0	0	0	0	0	128
29	44	34	27	27	0	0	0	0	0	0	0	0	132
30	54	0	19	12	0	0	0	0	0	0	0	0	85
31	44	0	12	0	0	0	0	0	0	0	0	0	56
Total	1,253	1,185	923	455	0	0	0	0	0	0	0	0	3,816
Normal	1,274	1,068	833	475	0	0	0	0	0	0	0	0	3650
Deviation From Normal	(21)	117	90	(20)	0	0	0	0	0	0	0	0	166
Zone 1 = Hammond, Gary, Crown Point, Hobart, Valparaiso, Monticello