condition mean min max 4 h after light 2494.235555333333 2328.393333 2603.663333 8 h after light 2883.1827780000003 2049.176667 3460.656667 12 h after light 3097.3955556666665 2248.786667 3664.523333 1.5 h after dark 3238.4055556666667 2593.713333 3762.356667 5.5 h after dark 3370.6922223333336 3039.03 3695.33 9.5 h after dark 2548.6244443333335 2316.303333 2859.026667