condition mean min max 1 h after light 6.747889848 6.179316345 7.316463351 3 h after light 7.125445526666667 6.600624032000001 7.631868449 5 h after light 7.046505596666667 5.588421267999999 7.797213657 7 h after light 7.807876034333334 6.942372847000001 9.247526739 9 h after light 7.850983581 6.591645239 9.214232613 11 h after light 8.443510931 6.42061799 9.756027084 1 h after dark 7.291689447333334 6.696087602 8.138035127 3 h after dark 7.0815224893333335 6.496087746000001 8.11536203 5 h after dark 7.140057683 6.864689737000001 7.394808456 7 h after dark 4.889913072333333 3.9937332619999997 5.6213831139999995 9 h after dark 5.851286893 4.718170624 6.793115025 11 h after dark 6.257531166666666 6.228108918999999 6.29243539