condition	mean	min	max
4 h after light	18.965010499999998	16.147993	21.782028
8 h after light	16.1531565	14.613269	17.693044
12 h after light	13.070286500000002	12.888331	13.252242
4 h after dark	14.5905265	13.03306	16.147993
8 h after dark	16.058208999999998	15.37284	16.743578
12 h after dark	19.035249	19.035249	19.035249