condition mean min max 4 h after light 355.858066 334.693595 377.022537 8 h after light 391.8581145 373.155134 410.561095 12 h after light 442.1624925 421.064615 463.26037 4 h after dark 527.4451245 474.247312 580.642937 8 h after dark 543.0517130000001 534.506969 551.596457 12 h after dark 412.594151 412.594151 412.594151