condition mean min max 0 h after light 2.337205 2.14323 2.53118 2 h after light 0.24268749182000002 2.98364e-06 0.485372 4 h after light 2.32399 1.12279 3.52519 8 h after light 0.947501553695 3.10739e-06 1.895 12 h after light 2.91543 1.1363 4.69456 2 h after dark 3.542065 3.36784 3.71629 4 h after dark 2.17485 1.78935 2.56035 8 h after dark 1.1805993052 4.86104e-05 2.36115 12 h after dark 3.418285 2.64322 4.19335