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 0.0371982 0.0 0.0743964 8 h after light 0.0261271 0.0 0.0522542 12 h after light 0.0144392 0.0 0.0288784 2 h after dark 0.0 0.0 0.0 4 h after dark 0.02431555 0.0 0.0486311 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0