condition mean min max 4 h after light 176.7 176.7 176.7 8 h after light 109.80000000000001 89.8 129.8 12 h after light 117.65 115.3 120.0 4 h after dark 164.7 133.3 196.1 8 h after dark 148.60000000000002 134.3 162.9 12 h after dark 185.1 162.2 208.0