condition mean min max 4 h after light 3586.472333333333 3228.094 3794.615 8 h after light 3184.171 2161.23 3884.5 12 h after light 2867.736 2159.468 3848.719 16 h after light 4154.071 3409.4 5468.455 4 h after dark 4041.9573333333333 3986.0209999999997 4097.141 8 h after dark 2807.869 2244.867 3382.095