condition	mean	min	max
0 h after light	3.27334	2.93473	3.61195
4 h after light	7.06879	6.44832	7.68926
8 h after light	10.84995	10.5838	11.1161
4 h after dark	6.51612	5.29127	7.74097
8 h after dark	5.265475	5.16318	5.36777
12 h after dark	3.22834	3.09826	3.35842