condition mean min max 0 h after light 0.3451675 0.0 0.690335 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 0.71071 0.0 1.42142 4 h after dark 0.331751 0.0 0.663502 8 h after dark 0.0 0.0 0.0 12 h after dark 0.354347 0.0 0.708694