condition mean min max 4 h after light 55.779115000000004 53.709173 57.849057 8 h after light 80.52285599999999 64.967483 96.078229 12 h after light 98.0508735 82.302412 113.799335 4 h after dark 113.42436649999999 102.847445 124.001288 8 h after dark 178.993772 156.612346 201.375198 12 h after dark 96.784681 96.784681 96.784681