condition	mean	min	max
4 h after light	2095.3	2095.3	2095.3
8 h after light	1826.45	1506.0	2146.9
12 h after light	1396.95	1257.9	1536.0
4 h after dark	1250.95	1180.0	1321.9
8 h after dark	1451.9	1151.2	1752.6
12 h after dark	1445.25	1154.9	1735.6