condition mean min max 0 h after light 868.5285 749.72 987.337 2 h after light 675.881 660.443 691.319 4 h after light 486.325 467.863 504.787 8 h after light 379.467 329.159 429.775 12 h after light 452.8535 432.07 473.637 2 h after dark 544.651 481.497 607.805 4 h after dark 622.419 608.459 636.379 8 h after dark 1029.8509999999999 964.862 1094.84 12 h after dark 1043.19 945.72 1140.66