condition mean min max 0 h after light 16.8303 16.0196 17.641 2 h after light 14.397549999999999 13.7051 15.09 4 h after light 11.738900000000001 11.5281 11.9497 8 h after light 14.2196 11.1541 17.2851 12 h after light 19.17085 16.1643 22.1774 2 h after dark 22.037149999999997 19.6117 24.4626 4 h after dark 19.284750000000003 18.3394 20.2301 8 h after dark 22.23145 20.4365 24.0264 12 h after dark 18.780900000000003 18.6029 18.9589