condition mean min max 3 h after light 1.8121189166666667 0.314604 3.33115 7 h after light 2.5724163333333334 0.467788 5.48111 11 h after light 2.0444188333333333 0.562746 3.17525 2 h after dark 1.53368525 0.280943 2.70332 6 h after dark 1.81041025 0.313162 4.13947 10 h after dark 1.60312775 0.0 3.84079