condition mean min max 4 h after light 0.770462 0.560186 0.980738 8 h after light 1.210091 0.886742 1.53344 12 h after light 0.967001 0.856332 1.07767 4 h after dark 1.4169366666666665 0.89939 2.08579 8 h after dark 0.6947296666666667 0.0 1.13541 12 h after dark 0.754807 0.0 1.44753