condition mean min max 0 h after light 4.09403 3.92399 4.26407 4 h after light 2.13314 1.91978 2.3465 8 h after light 3.57442 3.0283 4.12054 4 h after dark 4.830055 4.64441 5.0157 8 h after dark 3.7016549999999997 3.54556 3.85775 12 h after dark 2.8906799999999997 2.76091 3.02045