condition	mean	min	max
0 h after light	19.154899999999998	18.9128	19.397
4 h after light	16.36725	16.0703	16.6642
8 h after light	13.1279	12.748	13.5078
4 h after dark	17.0734	16.6459	17.5009
8 h after dark	19.02365	18.3618	19.6855
12 h after dark	16.12135	15.2696	16.9731