condition mean min max 4 h after light 17.313568500000002 16.632082 17.995055 8 h after light 17.041556 16.365694 17.717418 12 h after light 14.184063 12.340951 16.027175 4 h after dark 14.340808500000001 13.689298 14.992319 8 h after dark 15.273118499999999 14.963489 15.582748 12 h after dark 16.994318 16.994318 16.994318