condition mean min max 0 h after light 1.635815 1.47858 1.79305 4 h after light 4.207375 3.96463 4.45012 8 h after light 4.831284999999999 4.11923 5.54334 4 h after dark 4.404485 3.82145 4.98752 8 h after dark 5.042395 4.75186 5.33293 12 h after dark 2.415025 1.86517 2.96488