condition mean min max 3 h after light 439.89475 324.096 589.031 7 h after light 556.76575 410.854 729.27 11 h after light 549.06225 420.114 661.075 2 h after dark 468.3355 342.782 597.037 6 h after dark 467.315 373.74 571.518 10 h after dark 376.84591666666665 287.684 513.488