condition mean min max 4 h after light 437.3207895 144.120034 730.521545 8 h after light 329.0517045 310.155134 347.948275 12 h after light 498.05390050000005 280.972637 715.135164 4 h after dark 1151.6610045 734.751317 1568.570692 8 h after dark 1183.1294045 994.155134 1372.103675 12 h after dark 1385.93654 1385.93654 1385.93654