condition mean min max 2 h after light 137.82171666666667 99.0373 170.431 6 h after light 106.5342 78.3637 146.889 10 h after light 124.98955 81.6583 196.904 14 h after light 127.85788333333333 72.1771 182.738 18 h after light 116.25265 79.6104 170.592 2 h after dark 160.0285 129.065 199.7