condition mean min max 4 h after light 173.6 173.6 173.6 8 h after light 245.10000000000002 233.4 256.8 12 h after light 277.2 224.9 329.5 4 h after dark 262.35 219.9 304.8 8 h after dark 435.85 324.3 547.4 12 h after dark 428.65 305.9 551.4