Kitakwimu umri wa wastani wa matairi katika Marekani. Umri wa takwimu wa matairi katika miaka fulani huhesabiwa kwa msingi wa data iliyoingizwa na watumiaji wa tovuti ya CheckTire.com.
| Mwaka | idadi ya matumizi | Umri wa wastani wa matairi |
|---|---|---|
| 2026 | 1813 | 9.00 |
| 2025 | 22797 | 9.06 |
| 2024 | 36476 | 8.92 |
| 2023 | 20757 | 8.82 |
| 2022 | 17709 | 8.44 |
| 2021 | 31541 | 8.25 |
| 2020 | 26024 | 8.69 |
| 2019 | 6401 | 8.40 |
| 2018 | 1319 | 9.24 |
| 2017 | 62 | 9.86 |
| Tarehe/Saa UTC | DOT | Umri wa tairi |
|---|---|---|
| 2026-03-09 17:43 | 0815 | 11 miaka 21 siku |
| 2026-03-09 17:43 | 1418 | 7 miaka 11 miezi 7 siku |
| 2026-03-09 17:37 | 1121 | 4 miaka 11 miezi 22 siku |
| 2026-03-09 17:08 | 3325 | 6 miezi 26 siku |
| 2026-03-09 16:06 | 3225 | 7 miezi 5 siku |
| 2026-03-09 15:46 | 3924 | 1 mwaka 5 miezi 14 siku |
| 2026-03-09 15:44 | 4512 | 13 miaka 4 miezi 4 siku |
| 2026-03-09 14:32 | 2223 | 2 miaka 9 miezi 8 siku |
| 2026-03-09 13:02 | 0522 | 4 miaka 1 mwezi 6 siku |
| 2026-03-09 12:48 | 2319 | 6 miaka 9 miezi 6 siku |
| 2026-03-09 11:34 | 1124 | 1 mwaka 11 miezi 26 siku |
| 2026-03-09 03:46 | 5122 | 3 miaka 2 miezi 18 siku |
| 2026-03-09 03:45 | 4922 | 3 miaka 3 miezi 4 siku |
| 2026-03-08 22:29 | 1225 | 11 miezi 19 siku |
| 2026-03-08 21:55 | 2524 | 1 mwaka 8 miezi 19 siku |
| 2026-03-08 21:07 | 3225 | 7 miezi 4 siku |
| 2026-03-08 18:00 | 3520 | 5 miaka 6 miezi 12 siku |
| 2026-03-08 15:53 | 0411 | 15 miaka 1 mwezi 12 siku |
| 2026-03-08 11:04 | 0225 | 1 mwaka 2 miezi 2 siku |
| 2026-03-08 11:03 | 1216 | 9 miaka 11 miezi 15 siku |