condition	mean	min	max
0 h after light	31.53365	31.0043	32.063
4 h after light	58.38665	49.593	67.1803
8 h after light	51.063500000000005	47.2396	54.8874
4 h after dark	39.304649999999995	34.4938	44.1155
8 h after dark	34.3031	32.1731	36.4331
12 h after dark	30.93735	30.5462	31.3285