2006 Salt Lake City, Utah - For DSO Observers - Approx. Number of Moonless Hours Between Astronomical Twilight and Midnight (Mountain Standard Time)

d	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1	5	3	4	1	1	0	1	1	1	1	0	0
2	4	1	2	1	0	0	1	1	1	0	0	0
3	3	1	1	0	0	0	1	1	0	0	0	0
4	1	0	1	0	0	0	0	0	0	0	0	0
5	1	0	0	0	0	0	0	0	0	0	0	0
6	0	0	0	0	0	0	0	0	0	0	0	0
7	0	0	0	0	0	0	0	0	0	0	0	1
8	0	0	0	0	0	0	0	0	0	0	1	2
9	0	0	0	0	0	0	0	0	0	0	2	3
10	0	0	0	0	0	0	0	0	0	1	3	4
11	0	0	0	0	0	0	0	0	0	1	5	5
12	0	0	0	0	0	0	0	0	1	2	6	6
13	0	0	0	0	0	0	1	0	2	4	6	6
14	0	0	0	0	0	1	1	1	3	5	6	6
15	0	1	0	1	1	1	1	1	4	5	6	6
16	0	2	0	2	2	2	2	2	4	5	6	6
17	1	3	1	3	3	2	2	3	4	5	6	6
18	2	4	2	4	3	2	3	3	4	5	6	6
19	3	5	3	4	3	2	3	3	4	5	6	6
20	4	5	4	4	3	2	3	4	4	5	6	6
21	5	5	4	4	3	2	3	4	5	5	6	6
22	5	5	4	4	3	2	3	4	5	5	6	5
23	5	5	4	4	3	2	3	4	5	5	5	4
24	5	5	4	4	3	2	3	4	5	5	4	3
25	5	5	4	3	3	2	3	4	5	5	3	1
26	5	5	4	3	3	2	3	4	4	4	2	1
27	5	5	4	3	3	2	3	4	4	3	1	0
28	5	5	4	3	2	2	3	3	3	2	1	0
29	5		4	2	2	2	3	3	2	1	0	0
30	5		4	1	1	1	2	2	1	1	0	0
31	4		2		1		2	2		0		0
Ave Min Mo Temp F	19	25	31	38	46	55	64	62	51	40	31	22
Mean Clear Days	5	5	7	7	9	14	17	16	17	14	9	6
Mean Partly Cldy Days	7	7	8	9	10	10	10	11	8	8	7	7
Mean Cldy Days	19	16	16	14	12	6	4	4	5	9	14	18
% Clear	16%	18%	23%	23%	29%	47%	55%	52%	57%	45%	30%	19%
% Partly Cldy	23%	25%	26%	30%	32%	33%	32%	35%	27%	26%	23%	23%
% Cldy	61%	57%	52%	47%	39%	20%	13%	13%	17%	29%	47%	58%