condition mean min max 4 h after light 1337.2236666666668 1214.96 1434.105 8 h after light 1543.0287666666666 821.8443 2202.2329999999997 12 h after light 2723.381 2190.095 3473.51 16 h after light 3411.0246666666667 3110.7490000000003 3904.248 4 h after dark 2393.384 2104.822 2648.837 8 h after dark 1804.6509999999998 1519.1789999999999 2079.319