condition	mean	min	max
4 h after light	18.230666499999998	14.018201	22.443132
8 h after light	15.579965000000001	14.018201	17.141729
12 h after light	14.489187999999999	14.390797	14.587579
4 h after dark	12.6600255	10.443176	14.876875
8 h after dark	11.7808575	10.844845	12.71687
12 h after dark	14.917016	14.917016	14.917016