condition mean min max 0 h after light 2.014175 2.01238 2.01597 4 h after light 2.078995 1.77707 2.38092 8 h after light 3.112235 1.99094 4.23353 4 h after dark 3.036495 3.03051 3.04248 8 h after dark 2.72147 2.37834 3.0646 12 h after dark 1.3994810000000002 0.655302 2.14366