Table 2.

Distribution of the start time of marijuana use episodes during the day (n=129).

Clock time (hours)	Number of events
0-1	7
1-2	8
2-3	2
3-4	0
4-5	0
5-6	0
6-7	0
7-8	1
8-9	0
9-10	5
10-11	8
11-12	2
12-13	6
13-14	6
14-15	5
15-16	4
16-17	3
17-18	4
18-19	5
19-20	6
20-21	7
21-22	10
22-23	24
23-0	16