condition mean min max 4 h after light 356.514464 318.927631 394.101297 8 h after light 409.905745 358.002241 461.809249 12 h after light 380.684724 376.827963 384.541485 4 h after dark 640.3087935 515.506728 765.110859 8 h after dark 625.2115255 529.27304 721.150011 12 h after dark 294.887628 294.887628 294.887628