condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 1.2008633333333334 0.0 2.45058 12 h after light 0.0 0.0 0.0 4 h after dark 1.00089 0.0 3.00267 8 h after dark 0.0 0.0 0.0 12 h after dark 0.8415666666666667 0.0 2.5247