condition mean min max 0 h after light 67.8218 66.8082 68.8354 4 h after light 118.38395 71.2139 165.554 8 h after light 32.22965 29.8594 34.5999 4 h after dark 34.255399999999995 27.1954 41.3154 8 h after dark 69.563 66.8078 72.3182 12 h after dark 59.80385 57.0619 62.5458