condition mean min max 0 h after light 0.607589 0.405541 0.809637 4 h after light 1.82278 1.64992 1.99564 8 h after light 1.2073055000000001 0.412081 2.00253 4 h after dark 2.1926 1.39154 2.99366 8 h after dark 3.31024 1.59478 5.0257 12 h after dark 1.4984199999999999 1.41496 1.58188