condition	mean	min	max
4 h after light	7.18203	7.13203	7.209980000000001
8 h after light	7.3163	7.23715	7.3837
12 h after light	7.412183333333333	7.358439999999999	7.5083899999999995
4 h after dark	7.704866666666667	7.6033800000000005	7.8329
8 h after dark	7.727806666666667	7.59477	7.948060000000001
12 h after dark	7.73943	7.660539999999999	7.78985