condition mean min max 4 h after light 115.3 115.3 115.3 8 h after light 162.55 160.5 164.6 12 h after light 109.45 75.0 143.9 4 h after dark 97.55000000000001 91.7 103.4 8 h after dark 113.0 82.4 143.6 12 h after dark 61.5 59.0 64.0