condition mean min max 0 h after light 16.8733 16.1925 17.5541 4 h after light 4.33847 3.36476 5.31218 8 h after light 2.60164 1.59229 3.61099 4 h after dark 4.96235 3.75533 6.16937 8 h after dark 5.8466249999999995 5.30641 6.38684 12 h after dark 12.89865 10.6967 15.1006