condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.0146953 0.0 0.0293906 8 h after dark 0.0146784 0.0 0.0293568 12 h after dark 0.058562550000000005 0.0297676 0.0873575