condition	mean	min	max
4 h after light	3.12573	2.761	3.49046
8 h after light	4.479925	4.46909	4.49076
12 h after light	5.9589300000000005	5.44412	6.47374
4 h after dark	7.853280000000001	7.6576	8.20363
8 h after dark	6.3912466666666665	6.04449	6.61312
12 h after dark	4.582976666666666	4.0229	5.00354