Annual report as of December 24, 2025
Note that (1) daily counts for e-Hysplit runs start from August 21, 2021. Run counts before this date
are unavailable; and (2) daily counts for HYSPLIT downloads start from July 26, 2022. Download counts before
this date are summed and entered as a single entry for January 1, 2021: this arbitrary
date is employed to keep the total number of downloads in our database.
| Date / Category | Meteorological tools | Public Online HYSPLIT | Registered Online HYSPLIT | NWS HYSPLIT | Locust | READY API | Email HYSPLIT | HYSPLIT Download |
|---|---|---|---|---|---|---|---|---|
| This year to date | 427,323 | 356,056 | 1,960 | 992 | 34 | 5,750 | 18,173 | 3,226 |
| FY2025 | 1,838,373 | 1,556,289 | 6,158 | 4,538 | 1,433 | 14,300 | 61,796 | 13,804 |
| FY2024 | 2,199,712 | 1,982,523 | 7,547 | 4,843 | 675 | 1,838 | 58,003 | 11,659 |
| FY2023 | 2,405,867 | 1,499,641 | 6,641 | 4,352 | 9,686 | 1,055 | 50,203 | 14,046 |
| FY2022 | 2,518,960 | 1,413,985 | 9,832 | 3,864 | 8,024 | 131 | 50,816 | 1,698 |
| FY2021 | 2,648,862 | 1,646,393 | 6,098 | 3,280 | 2,822 | 63 | 5,381 | 53,991 |
| FY2020 | 2,828,084 | 1,964,679 | 6,374 | 3,276 | 4,283 | |||
| FY2019 | 2,760,419 | 1,317,926 | 7,893 | 3,090 | ||||
| FY2018 | 3,557,479 | 1,171,328 | 5,625 | 3,254 | ||||
| FY2017 | 3,601,820 | 1,145,804 | 5,824 | 3,024 |