condition	mean	min	max
0 h after light	30.330550000000002	29.7479	30.9132
4 h after light	17.7077	17.4164	17.999
8 h after light	7.488985	7.38231	7.59566
4 h after dark	9.29401	7.77712	10.8109
8 h after dark	18.226399999999998	17.5475	18.9053
12 h after dark	20.015900000000002	18.8931	21.1387