condition mean min max 4 h after light 6.916909333333333 3.638743 10.38204 8 h after light 10.511175 9.290625 12.48378 12 h after light 7.483092666666667 4.549319000000001 10.90599 16 h after light 7.301869000000001 3.811185 13.632660000000001 4 h after dark 8.016834666666666 7.2444679999999995 9.502187 8 h after dark 4.061565333333333 3.4769940000000004 5.119757