condition	mean	min	max
4 h after light	9.53553	6.24796	12.8231
8 h after light	15.3978	13.4376	17.358
12 h after light	17.070999999999998	11.3399	22.8021
4 h after dark	21.6646	19.7456	23.5836
8 h after dark	23.50155	18.291	28.7121
12 h after dark	17.7129	13.4415	21.9843