condition mean min max 4 h after light 169.71577200000002 137.826529 201.605015 8 h after light 176.455984 166.833757 186.078211 12 h after light 190.97952099999998 185.34237 196.616672 4 h after dark 172.20667 152.488976 191.924364 8 h after dark 201.86589700000002 201.761051 201.970743 12 h after dark 177.284019 177.284019 177.284019