condition mean min max 4 h after light 1.270351 0.963232 1.57747 8 h after light 13.6816 12.1575 15.2057 12 h after light 25.19015 23.7045 26.6758 4 h after dark 31.604100000000003 30.307 32.9012 8 h after dark 8.60392 8.48489 8.72295 12 h after dark 4.295705 4.15942 4.43199