condition	mean	min	max
4 h after light	16.440549999999998	14.9492	17.9319
8 h after light	16.0546	16.0118	16.0974
12 h after light	20.6097	20.4863	20.7331
4 h after dark	20.8268	20.0148	21.6388
8 h after dark	23.6505	22.9276	24.3734
12 h after dark	19.863100000000003	19.7299	19.9963