condition mean min max 4 h after light 11.50527 5.02151 18.0967 8 h after light 5.72813 1.74189 9.64174 12 h after light 7.51555 4.10578 12.417 4 h after dark 9.593656666666668 6.23007 11.6936 8 h after dark 14.35239 6.68807 20.2038 12 h after dark 35.057066666666664 29.4684 44.2098