condition mean min max 4 h after light 336.3901535 324.35265 348.427657 8 h after light 270.973886 248.318223 293.629549 12 h after light 324.4896275 313.78566 335.193595 4 h after dark 410.8983425 343.078211 478.718474 8 h after dark 512.0528005 461.71053 562.395071 12 h after dark 370.242003 370.242003 370.242003