condition mean min max 4 h after light 1.76199 1.63179 1.89219 8 h after light 2.8799650000000003 2.80444 2.95549 12 h after light 16.63315 16.2608 17.0055 4 h after dark 27.369333333333334 23.6956 29.3215 8 h after dark 8.57299 7.25408 11.1751 12 h after dark 4.01659 3.15215 4.68219