condition	mean	min	max
4 h after light	8.64992	8.46813	8.891589999999999
8 h after light	9.14297	8.942689999999999	9.53191
12 h after light	9.090116666666667	8.82733	9.512780000000001
4 h after dark	8.33517	8.118039999999999	8.57388
8 h after dark	8.100703333333334	8.0834	8.11997
12 h after dark	7.89403	7.68162	8.044319999999999