condition mean min max 4 h after light 1740.62 1663.6 1817.64 8 h after light 1053.99 1034.01 1073.97 12 h after light 696.511 673.828 719.194 4 h after dark 1015.5230000000001 953.166 1077.88 8 h after dark 1665.375 1646.63 1684.12 12 h after dark 1995.925 1946.34 2045.51