condition mean min max 3 h after light 3.5647200000000003 1.64977 5.3272 6 h after light 1.6903166666666667 1.16991 1.9616 9 h after light 3.0293099999999997 1.15228 5.84347 12 h after light 4.0636133333333335 2.88456 5.18875 3 h after dark 7.129313333333333 4.70308 9.77073 6 h after dark 4.376989999999999 3.35885 5.48943 9 h after dark 6.960236666666667 5.41973 9.29556 12 h after dark 4.34199 2.38148 5.64493