Catalog https://www.ncdc.noaa.gov/thredds/catalog/lightning/catalog.html

Dataset	Size	Last Modified
`Lightning Products (Prototype, USE WITH CAUTION!)`		`--`
`countByHourPOR/`		`--`
`countByHourPOR-PositivePolarity/`		`--`
`countByHourPerMonth/`		`--`
`countByHourPerMonth-PositivePolarity/`		`--`
`countByHourPerMonth_Aggregation.ncml`	`9.758 Kbytes`	`2013-02-22 02:35:42Z`
`countByHourPerMonth_PositivePolarity_Aggregation.ncml`	`10.35 Kbytes`	`2013-02-22 02:42:44Z`
`countByHourPerYear/`		`--`
`countByHourPerYear-PositivePolarity/`		`--`
`countByHourPerYear_Aggregation.ncml`	`9.686 Kbytes`	`2013-01-04 06:33:52Z`
`countByHourPerYear_PositivePolarity_Aggregation.ncml`	`10.28 Kbytes`	`2013-01-04 15:42:09Z`
`countPerDay/`		`--`
`countPerDay-PositivePolarity/`		`--`
`countPerDay_Aggregation.ncml`	`423.0 bytes`	`2013-01-02 22:00:41Z`
`countPerDay_PositivePolarity_Aggregation.ncml`	`440.0 bytes`	`2013-01-02 22:04:25Z`
`countPerMonth/`		`--`
`countPerMonth-PositivePolarity/`		`--`
`countPerMonth_Aggregation.ncml`	`421.0 bytes`	`2013-01-01 07:31:02Z`
`countPerMonth_PositivePolarity_Aggregation.ncml`	`438.0 bytes`	`2013-01-02 22:02:47Z`
`countPerYear/`		`--`
`countPerYear-PositivePolarity/`		`--`
`countPerYear_Aggregation.ncml`	`416.0 bytes`	`2013-01-01 07:42:13Z`
`countPerYear_PositivePolarity_Aggregation.ncml`	`433.0 bytes`	`2013-01-02 22:04:05Z`