condition mean min max 4 h after light 20.30544 16.51652 24.922929999999997 8 h after light 20.020953 7.492949 29.64943 12 h after light 24.937833333333334 20.04402 28.33515 16 h after light 38.62318666666667 23.61502 58.03151 4 h after dark 33.9354 32.641870000000004 35.899229999999996 8 h after dark 17.864473333333333 15.919929999999999 19.75824