condition mean min max 4 h after light 297.283794 206.265197 388.302391 8 h after light 418.92184799999995 382.842408 455.001288 12 h after light 473.033581 443.331409 502.735753 4 h after dark 292.1936065 197.095371 387.291842 8 h after dark 189.29663349999998 138.892126 239.701141 12 h after dark 228.899908 228.899908 228.899908