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 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 3.40908 0.0 6.81816 4 h after dark 3.30301 0.0 6.60602 8 h after dark 3.59175 0.0 7.1835 12 h after dark 1.76734 0.0 3.53468