condition mean min max 4 h after light 288.6735875 242.355171 334.992004 8 h after light 314.120238 304.58594 323.654536 12 h after light 344.762118 343.753718 345.770518 4 h after dark 411.28128449999997 368.883381 453.679188 8 h after dark 471.27904149999995 470.848309 471.709774 12 h after dark 319.864545 319.864545 319.864545