condition mean min max 4 h after light 642.7848666666666 637.3625 646.5436 8 h after light 501.7123666666667 339.7106 635.4169 12 h after light 429.3742 350.7109 521.6464 16 h after light 715.4607 588.3208 896.0136 4 h after dark 772.2096 744.6356 804.7636 8 h after dark 474.46160000000003 368.319 571.6416