condition mean min max 4 h after light 42.056110000000004 34.222216 49.890004 8 h after light 47.217291 34.783521 59.651061 12 h after light 311.865085 75.108567 548.621603 4 h after dark 71.037226 58.019285 84.055167 8 h after dark 245.83662550000003 237.91345 253.759801 12 h after dark 75.108567 75.108567 75.108567