condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.058201166666666665 0.0 0.349207 14 h after light 0.13464933333333334 0.0 0.442972 18 h after light 0.0 0.0 0.0 2 h after dark 0.0584545 0.0 0.350727