condition mean min max 0 h after light 0.0339078 0.0 0.0678156 4 h after light 0.134603 0.068976 0.20023 8 h after light 0.23827900000000002 0.200921 0.275637 4 h after dark 0.23322299999999999 0.199455 0.266991 8 h after dark 0.3008625 0.201699 0.400026 12 h after dark 0.0 0.0 0.0