condition	mean	min	max
4 h after light	8.840265	7.32683	10.3537
8 h after light	8.176945	8.11972	8.23417
12 h after light	9.29062	8.26674	10.3145
4 h after dark	11.840733333333333	11.5358	12.3789
8 h after dark	10.3899	10.0723	10.6961
12 h after dark	9.407106666666667	8.93527	9.87545