condition mean min max 4 h after light 258.920881 220.48934 297.352422 8 h after light 119.86743100000001 105.402836 134.332026 12 h after light 615.6653535 586.232057 645.09865 4 h after dark 175.797621 127.297362 224.29788 8 h after dark 648.4344155 347.992075 948.876756 12 h after dark 188.337133 188.337133 188.337133