condition mean min max 2 h after light 69.06911666666667 51.3384 82.694 6 h after light 67.20125 54.9784 82.4793 10 h after light 54.45348333333333 37.7878 72.1297 14 h after light 60.08475 36.7755 71.0238 18 h after light 72.6155 58.4108 84.2058 2 h after dark 168.80188333333334 93.9403 222.243