condition mean min max 0 h after light 0.802359 0.754449 0.850269 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.10836255 0.0617471 0.154978 8 h after dark 0.03122085 0.0 0.0624417 12 h after dark 0.5306065 0.276384 0.784829