condition mean min max 0 h after light 322.645 321.386 323.904 4 h after light 250.9955 210.262 291.729 8 h after light 271.445 269.615 273.275 4 h after dark 261.94 254.094 269.786 8 h after dark 290.6775 287.167 294.188 12 h after dark 288.0215 264.981 311.062