condition mean min max 4 h after light 0.13618505 0.0820601 0.19031 8 h after light 0.11698249999999999 0.103917 0.130048 12 h after light 0.29466800000000004 0.134685 0.454651 4 h after dark 0.2025 0.0 0.427842 8 h after dark 0.23241966666666666 0.0 0.47521 12 h after dark 0.556864 0.130543 1.31857