condition mean min max 2 h after light 0.1823925 0.0 0.565494 6 h after light 0.51527 0.101607 1.17845 10 h after light 1.4664821666666668 0.575986 2.84477 14 h after light 2.2863908333333334 0.318407 4.45921 18 h after light 1.3673763333333333 0.467015 3.82283 2 h after dark 0.18839499999999998 0.0 0.504203