condition	mean	min	max
4 h after light	5.565424999999999	5.39539	5.73546
8 h after light	7.022045	6.6082	7.43589
12 h after light	7.73729	7.70217	7.77241
4 h after dark	10.057780000000001	9.95316	10.1624
8 h after dark	9.436245	8.76779	10.1047
12 h after dark	8.00527	7.49268	8.51786