condition	mean	min	max
4 h after light	16.452199999999998	14.8188	18.0856
8 h after light	20.4392	20.0681	20.8103
12 h after light	28.460700000000003	26.0042	30.9172
4 h after dark	29.936500000000002	28.5699	31.7508
8 h after dark	34.62356666666667	30.6005	37.3098
12 h after dark	19.819233333333333	18.6424	21.7284