condition mean min max 3 h after light 6.281536666666667 5.70816 7.39843 6 h after light 18.033733333333334 15.7972 21.9121 9 h after light 58.4518 39.1356 72.2428 12 h after light 39.713575 8.9276 58.7743 3 h after dark 112.458 97.912 126.103 6 h after dark 81.69630000000001 68.6757 90.7265 9 h after dark 24.81 18.585 29.3999 12 h after dark 10.468350000000001 10.414 10.5227