condition	mean	min	max
0 h after light	20.95645	19.4627	22.4502
4 h after light	7.17301	5.108	9.23802
8 h after light	16.02005	15.3818	16.6583
4 h after dark	36.75635	33.4975	40.0152
8 h after dark	36.503699999999995	35.5894	37.418
12 h after dark	22.8367	20.6664	25.007