condition mean min max 2 h after light 0.40078383333333334 0.237279 0.50361 6 h after light 0.39803616666666664 0.226219 0.813232 10 h after light 0.8234545 0.186283 1.63082 14 h after light 0.6371423333333334 0.131919 1.1579 18 h after light 0.21890199999999999 0.151587 0.325961 2 h after dark 0.375201 0.149675 0.923945