condition mean min max 0 h after light 60.1122 57.6018 62.6226 4 h after light 20.86275 18.7156 23.0099 8 h after light 14.3144 12.3043 16.3245 4 h after dark 24.481 22.5003 26.4617 8 h after dark 18.450400000000002 18.373 18.5278 12 h after dark 38.7445 28.1357 49.3533