condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.06076366666666667 0.0 0.182291 9 h after light 0.064738 0.0 0.194214 12 h after light 0.0945705 0.0 0.202186 3 h after dark 0.0247859 0.0 0.0743577 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0