condition mean min max 0 h after light 8.47298 7.67234 9.27362 2 h after light 8.207545 6.96757 9.44752 4 h after light 6.8581900000000005 6.64937 7.06701 8 h after light 6.32665 5.40933 7.24397 12 h after light 9.834154999999999 9.57271 10.0956 2 h after dark 10.492135000000001 9.22687 11.7574 4 h after dark 9.21487 8.66556 9.76418 8 h after dark 9.259979999999999 8.47556 10.0444 12 h after dark 9.713175 9.34395 10.0824