condition	mean	min	max
4 h after light	40.510395	28.696495	52.324295
8 h after light	27.0287425	22.671042	31.386443
12 h after light	21.0942515	18.676748	23.511755
4 h after dark	27.8594785	21.674393	34.044564
8 h after dark	28.1768945	25.737937	30.615852
12 h after dark	29.98342	29.98342	29.98342