condition mean min max 4 h after light 460.2 460.2 460.2 8 h after light 301.5 275.3 327.7 12 h after light 168.8 127.0 210.6 4 h after dark 91.55000000000001 85.9 97.2 8 h after dark 105.35000000000001 73.4 137.3 12 h after dark 162.55 103.9 221.2