condition	mean	min	max
1 h after light	17.90493154	16.45646514	19.35339794
3 h after light	19.36042196	17.74094854	21.54122361
5 h after light	18.82430415	16.94359155	21.09112236
7 h after light	17.12661942	16.88305461	17.29369409
9 h after light	21.87268303	18.32494936	24.80736001
11 h after light	21.17208914	19.88559333	22.48640156
13 h after light	17.803926133333334	16.01062139	19.82878993
15 h after light	18.597135356666666	16.39979294	21.0309478
1 h after dark	18.320868883333333	16.79805125	19.19585975
3 h after dark	19.9524471	18.32667351	22.67080683
5 h after dark	17.780852616666667	16.81180086	19.47298002
7 h after dark	20.33114965	19.1924809	22.29706398