condition mean min max 4 h after light 187.9683085 181.306632 194.629985 8 h after light 190.24311799999998 155.561872 224.924364 12 h after light 202.688202 195.528963 209.847441 4 h after dark 222.08340049999998 194.857821 249.30898 8 h after dark 156.116672 143.462826 168.770518 12 h after dark 191.149109 191.149109 191.149109