condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.011738333333333335 0.0 0.035215 12 h after light 0.0171246 0.0 0.0513738 3 h after dark 0.0189032 0.0 0.0567096 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.02111413333333333 0.0 0.0633424