condition mean min max 4 h after light 11.40213 7.01159 14.9148 8 h after light 6.580076666666667 1.49319 11.5183 12 h after light 6.529373333333333 4.16132 9.5937 4 h after dark 9.00996 6.68964 11.2172 8 h after dark 7.187250000000001 3.71395 10.9449 12 h after dark 21.798933333333334 18.4911 23.8227