condition	mean	min	max
4 h after light	6.50924	6.17306	6.84542
8 h after light	7.281275000000001	7.24565	7.3169
12 h after light	7.274585	7.12222	7.42695
4 h after dark	12.3707	12.2545	12.4869
8 h after dark	10.218620000000001	9.84534	10.5919
12 h after dark	9.17894	9.10178	9.2561