condition mean min max 0 h after light 147.365 147.229 147.501 4 h after light 111.52855 91.6381 131.419 8 h after light 91.62915000000001 88.2492 95.0091 4 h after dark 113.7165 110.359 117.074 8 h after dark 102.11205 95.7251 108.499 12 h after dark 133.816 121.003 146.629