condition	mean	min	max
4 h after light	42.322050000000004	41.9162	42.7279
8 h after light	19.41665	19.088	19.7453
12 h after light	8.09662	8.04598	8.14726
4 h after dark	9.44276	8.69662	10.1889
8 h after dark	20.04975	19.798	20.3015
12 h after dark	29.16185	28.8664	29.4573