condition mean min max 0 h after light 0.1192365 0.0 0.238473 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.2071605 0.0 0.414321 12 h after light 0.2914325 0.250888 0.331977 2 h after dark 0.1172905 0.0 0.234581 4 h after dark 0.0 0.0 0.0 8 h after dark 0.136755 0.0 0.27351 12 h after dark 0.0 0.0 0.0