condition mean min max 1 h after light 17.80035784 17.14586702 18.45484866 3 h after light 17.23870609 15.89306522 19.4186005 5 h after light 17.397687780000002 14.88204497 19.35205575 7 h after light 18.360389593333334 16.40462633 19.88273465 9 h after light 20.746676063333332 20.4084918 21.03156037 11 h after light 23.679737666666668 22.36006579 26.12360296 1 h after dark 25.17104729 24.50293097 25.71921318 3 h after dark 26.49212191333333 23.83071059 28.06007676 5 h after dark 24.76490485 22.51402198 27.33080851 7 h after dark 23.48811495 21.37201855 25.28348362 9 h after dark 23.524014773333334 22.07372529 25.28816286 11 h after dark 21.52431626 19.9280597 23.84188248