condition	mean	min	max
4 h after light	9.124713333333332	8.94465	9.3409
8 h after light	9.465233333333332	9.29172	9.746089999999999
12 h after light	8.93638	8.73577	9.21533
4 h after dark	8.95548	8.811739999999999	9.1757
8 h after dark	8.482176666666668	8.33946	8.62992
12 h after dark	7.389813333333334	6.9417800000000005	7.64