condition mean min max 4 h after light 518.6726395000001 334.006407 703.338872 8 h after light 360.481267 330.192016 390.770518 12 h after light 327.4294 306.204476 348.654324 4 h after dark 138.7749695 67.592317 209.957622 8 h after dark 97.0078035 78.864976 115.150631 12 h after dark 229.924364 229.924364 229.924364