condition mean min max 2 h after light 18.190008333333335 0.0 38.398 6 h after light 16.583941666666668 6.42073 34.8272 10 h after light 17.947426666666665 0.0 54.919 14 h after light 8.885905 0.0 23.8023 18 h after light 23.027328333333333 0.0 53.4346 2 h after dark 27.954549999999998 17.9163 41.3291