condition	mean	min	max
4 h after light	22.033250000000002	20.2897	23.7768
8 h after light	30.732	29.4858	31.9782
12 h after light	49.963750000000005	49.0411	50.8864
4 h after dark	45.79575	44.8817	46.7098
8 h after dark	36.5884	35.3713	37.8055
12 h after dark	30.14985	28.9937	31.306