condition mean min max 4 h after light 4.865035 4.60969 5.12038 8 h after light 3.806895 3.78345 3.83034 12 h after light 3.416665 3.09229 3.74104 4 h after dark 4.2129666666666665 3.92596 4.56205 8 h after dark 5.95547 5.30485 6.48156 12 h after dark 4.556353333333334 3.9923 4.96813