condition mean min max 2 h after light 0.093542 0.0 0.331897 6 h after light 0.07864366666666667 0.0 0.368721 10 h after light 0.0997805 0.0 0.215087 14 h after light 0.24680033333333332 0.0 0.716278 18 h after light 0.21716 0.0 0.663229 2 h after dark 0.17286915 0.0 0.270793