condition mean min max 0 h after light 166.875 166.765 166.985 4 h after light 301.288 286.297 316.279 8 h after light 427.411 412.504 442.318 4 h after dark 197.91199999999998 192.434 203.39 8 h after dark 264.0275 250.052 278.003 12 h after dark 199.3045 179.926 218.683