condition mean min max 4 h after light 9314.549666666668 9225.089 9460.203000000001 8 h after light 5440.682 3418.492 6452.983 12 h after light 4453.132 3355.138 6280.746 16 h after light 10174.247 7828.08 12963.32 4 h after dark 7747.384333333333 5977.378000000001 9306.599 8 h after dark 6919.907333333334 5629.0019999999995 8233.818000000001