condition	mean	min	max
4 h after light	5.303983333333333	5.13819	5.39422
8 h after light	5.3471400000000004	5.23059	5.4614
12 h after light	5.33169	5.25433	5.47489
4 h after dark	5.431783333333333	5.26853	5.692069999999999
8 h after dark	5.408886666666667	5.17739	5.5349699999999995
12 h after dark	5.381486666666667	5.317830000000001	5.431430000000001