condition mean min max 0 h after light 0.0281046 0.0 0.0562092 4 h after light 0.2253845 0.221677 0.229092 8 h after light 0.23929679999999998 0.0834156 0.395178 4 h after dark 0.17502595 0.0828069 0.267245 8 h after dark 0.09734485 0.0830387 0.111651 12 h after dark 0.166873 0.137278 0.196468