condition mean min max 2 h after light 136.70768333333334 93.4991 180.677 6 h after light 118.52326666666667 81.9445 160.896 10 h after light 117.57735 88.2401 143.185 14 h after light 149.83576666666667 99.5076 223.129 18 h after light 158.942 106.518 231.92 2 h after dark 116.5956 86.1523 148.354