condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.181704 0.158299 0.205109 8 h after light 0.0832306 0.0830724 0.0833888 12 h after light 0.0 0.0 0.0 2 h after dark 0.0207822 0.0 0.0415644 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0646435 0.0 0.129287