condition mean min max 0 h after light 0.9968155 0.706251 1.28738 4 h after light 1.305625 1.29951 1.31174 8 h after light 1.8436249999999998 1.7161 1.97115 4 h after dark 2.05118 2.01697 2.08539 8 h after dark 1.81956 1.66035 1.97877 12 h after dark 1.16384 1.01015 1.31753