condition	mean	min	max
4 h after light	3.66357	3.64677	3.68037
8 h after light	3.695075	3.6527	3.73745
12 h after light	3.40543	2.98646	3.8244
4 h after dark	4.214475	3.17226	5.25669
8 h after dark	4.170095	3.99026	4.34993
12 h after dark	5.1675	4.88214	5.45286