condition	mean	min	max
0 h after light	8.397955	8.07284	8.72307
4 h after light	9.878865000000001	9.09193	10.6658
8 h after light	14.7843	12.7397	16.8289
4 h after dark	9.68736	9.50208	9.87264
8 h after dark	8.21066	6.84833	9.57299
12 h after dark	6.360234999999999	6.24918	6.47129