condition mean min max 0 h after light 5.619515 5.30001 5.93902 2 h after light 3.723125 3.62278 3.82347 4 h after light 3.092085 2.97598 3.20819 8 h after light 4.675565 4.31786 5.03327 12 h after light 4.814555 4.54548 5.08363 2 h after dark 5.078925 4.87595 5.2819 4 h after dark 5.082715 4.83552 5.32991 8 h after dark 7.38111 7.11307 7.64915 12 h after dark 5.060090000000001 4.29633 5.82385