condition mean min max 1 h after light 2.8630109125 2.733937255 2.99208457 3 h after light 4.696424406666667 4.033522025 5.464891705 5 h after light 6.820042278 4.19202432 10.83244164 7 h after light 15.685444553333333 10.21900105 25.6013533 9 h after light 19.888159433333335 12.15554974 27.72147761 11 h after light 19.88708082 15.71713881 25.37678934 13 h after light 30.214069303333332 24.79724274 35.34420193 15 h after light 30.985245526666667 26.57953828 34.25993713 1 h after dark 33.62886154666667 30.9567034 36.59830741 3 h after dark 32.4430508 19.04120577 49.05624728 5 h after dark 15.90487671 12.35785271 22.54759174 7 h after dark 10.453949291666667 8.267959333 13.67212519