condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.04871966666666667 0.0 0.146159 12 h after light 0.0159953 0.0 0.0479859 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0