condition mean min max 3 h after light 61.40346666666667 57.3632 63.6249 6 h after light 48.7537 42.6143 54.2467 9 h after light 42.97756666666667 41.5046 45.7007 12 h after light 65.9025 50.4321 84.0481 3 h after dark 81.38446666666667 79.6702 82.8198 6 h after dark 106.591 101.216 113.014 9 h after dark 102.4252 87.3596 111.004 12 h after dark 88.9511 84.4327 93.4695