condition mean min max 4 h after light 2241.204 2191.476 2304.36 8 h after light 1886.6673333333333 1460.484 2235.667 12 h after light 1082.1382666666666 964.0998 1198.5639999999999 16 h after light 2296.159333333333 2042.372 2777.495 4 h after dark 3089.0933333333332 2643.114 3321.448 8 h after dark 2022.0040000000001 1434.129 2742.4970000000003