condition mean min max 4 h after light 1.1856265 0.997583 1.37367 8 h after light 2.058855 1.82799 2.28972 12 h after light 1.487215 1.0745 1.89993 4 h after dark 3.8880000000000003 3.34295 4.22595 8 h after dark 1.6220533333333333 1.06059 1.94974 12 h after dark 1.9461566666666668 1.85106 2.00369