condition mean min max 4 h after light 222.1805 219.085 225.276 8 h after light 163.30450000000002 161.079 165.53 12 h after light 174.608 173.411 175.805 4 h after dark 284.072 282.683 285.461 8 h after dark 287.291 283.142 291.44 12 h after dark 272.8315 266.165 279.498