condition	mean	min	max
4 h after light	19.6441885	17.942277	21.3461
8 h after light	21.9180315	19.253637	24.582426
12 h after light	20.4847805	19.623461	21.3461
4 h after dark	22.470888000000002	22.324487	22.617289
8 h after dark	19.6950385	18.082876	21.307201
12 h after dark	18.802994	18.802994	18.802994