condition	mean	min	max
4 h after light	21.51345	20.3188	22.7081
8 h after light	30.4661	29.7698	31.1624
12 h after light	24.141199999999998	18.4473	29.8351
4 h after dark	48.404333333333334	43.854	55.2461
8 h after dark	21.07453333333333	20.1247	21.6028
12 h after dark	26.689566666666668	25.4048	28.8649