condition mean min max 4 h after light 393.6942355 321.770518 465.617953 8 h after light 571.4564365 415.986557 726.926316 12 h after light 524.244914 414.700886 633.788942 4 h after dark 546.79437 514.730291 578.858449 8 h after dark 374.9414335 355.237023 394.645844 12 h after dark 337.988041 337.988041 337.988041