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ZERNEL / TERMINAL

Arctic sea ice extent

Monthly Arctic sea ice extent in million km squared (synthetic, placeholder for NSIDC).

163.38million-km2
Observation historymonthly · UTC
ZERNEL / CONNECT

Take this series with you.

arctic-sea-ice

Download the available history to a local JSON file. Run it once and keep the data.

curl -fsS 'https://zernel.de/zernel.py' -o zernel.py
python3 zernel.py clone 'https://zernel.de/series/arctic-sea-ice'

Python 3.9+ · No packages to install. Retraction markers remain in the file. Connection reference ↗

Use the REST API directly
GET https://zernel.de/v1/series/arctic-sea-ice/data?limit=1000
GET https://zernel.de/v1/series/arctic-sea-ice/changes?after=0&limit=1000

Paginate history with nextCursor → after. Poll changes using the commit cursor; persist it with your local data.

Unverified sourceAll time · 24 pts
163.38million-km2+42.39%

Not specified · Origin unknown

163.13147.45131.77116.08100.4Sep 24Mar 25Sep 25Mar 26Sep 26Sep 1, 2024 → Sep 1, 2026
High · loaded history163.38
Low · loaded history100.15
Chart observations24
Total observations24

Observation tape

Newest first · UTC
Observation timeValueRevisionEvidenceStatus
2026-09-01 21:39:40.077163.38r11canonical
2026-08-01 03:55:19.207134.74r13canonical
2026-06-30 10:10:58.338159.37r11canonical
2026-05-29 16:26:37.468143.7r11canonical
2026-04-27 22:42:16.599129.41r13canonical
2026-03-27 04:57:55.729130.82r11canonical
2026-02-23 11:13:34.860138.21r11canonical
2026-01-22 17:29:13.990150.16r13canonical
2025-12-21 23:44:53.120150.05r12canonical
2025-11-20 06:00:32.251147.24r13canonical
2025-10-19 12:16:11.381137.94r11canonical
2025-09-17 18:31:50.512117.83r13canonical