condition mean min max 4 h after light 16119.0 14727.53 17040.68 8 h after light 10271.821333333333 5558.714 15131.11 12 h after light 8744.837666666666 7078.454000000001 10827.92 16 h after light 11984.233333333334 10063.47 15216.59 4 h after dark 14818.560000000001 14157.45 15228.11 8 h after dark 13545.056666666665 11146.47 17337.48