condition mean min max 4 h after light 163.861 159.624 168.098 8 h after light 154.80200000000002 134.073 175.531 12 h after light 216.81400000000002 213.578 220.05 4 h after dark 306.587 280.19 342.341 8 h after dark 292.65933333333334 264.476 309.386 12 h after dark 240.911 209.38 262.011