condition mean min max 0 h after light 7.9994 7.61965 8.37915 2 h after light 7.752875 5.66333 9.84242 4 h after light 16.8022 16.7049 16.8995 8 h after light 17.14385 17.092 17.1957 12 h after light 9.99122 8.79124 11.1912 2 h after dark 8.56997 8.51934 8.6206 4 h after dark 6.27844 5.31216 7.24472 8 h after dark 3.5858999999999996 2.9327 4.2391 12 h after dark 4.292555 4.03731 4.5478