condition mean min max 4 h after light 1.785255 1.04439 2.52612 8 h after light 1.9381650000000001 1.53499 2.34134 12 h after light 6.432275000000001 2.97024 9.89431 4 h after dark 8.199075 7.24937 9.14878 8 h after dark 6.2966999999999995 5.17776 7.41564 12 h after dark 3.7509550000000003 3.68277 3.81914