condition	mean	min	max
0 h after light	17.167099999999998	17.1242	17.21
4 h after light	16.29465	13.9872	18.6021
8 h after light	12.974499999999999	11.3895	14.5595
4 h after dark	16.8767	15.9373	17.8161
8 h after dark	16.38645	15.9377	16.8352
12 h after dark	17.47935	15.4493	19.5094