condition mean min max 4 h after light 343.3039565 131.446937 555.160976 8 h after light 361.2829835 332.616672 389.949295 12 h after light 711.174937 360.044338 1062.305536 4 h after dark 2529.4721329999998 1022.884938 4036.059328 8 h after dark 2618.623028 1829.667845 3407.578211 12 h after dark 1539.347349 1539.347349 1539.347349