condition mean min max 0 h after light 2.253615 2.07287 2.43436 2 h after light 1.871525 1.76946 1.97359 4 h after light 1.19727 1.15868 1.23586 8 h after light 1.518255 1.3269 1.70961 12 h after light 2.53573 2.0991 2.97236 2 h after dark 2.30538 2.09878 2.51198 4 h after dark 1.81949 1.81133 1.82765 8 h after dark 2.66846 2.62004 2.71688 12 h after dark 2.5474050000000004 2.15782 2.93699