condition mean min max 4 h after light 1583.89 1407.6570000000002 1833.099 8 h after light 1454.9213333333332 941.86 2140.738 12 h after light 2476.7703333333334 2312.474 2752.469 16 h after light 1932.4999999999998 1825.3239999999998 2056.3579999999997 4 h after dark 4284.383666666667 4027.3 4655.522 8 h after dark 1621.1299999999999 1249.943 2123.939