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 0.0 0.0 0.0 12 h after light 8.52615e-08 0.0 3.41046e-07 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.044172666666666666 0.0 0.132518 12 h after dark 0.144101 0.0 0.288202