condition	mean	min	max
4 h after light	17.348399999999998	15.7975	18.8993
8 h after light	11.573550000000001	11.4436	11.7035
12 h after light	10.50131	9.08012	11.9225
4 h after dark	12.014	11.6049	12.4231
8 h after dark	13.741700000000002	12.8853	14.5981
12 h after dark	19.226300000000002	18.939	19.5136