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 | 4361 | 8.52 |
| 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 |
|---|---|---|
| 2026-07-10 18:56 | 1020 | 6 miaka 4 miezi 8 siku |
| 2026-07-10 14:10 | 1724 | 2 miaka 2 miezi 18 siku |
| 2026-07-10 14:08 | 2316 | 10 miaka 1 mwezi 4 siku |
| 2026-07-10 06:06 | 3316 | 9 miaka 10 miezi 25 siku |
| 2026-07-10 06:06 | 2124 | 2 miaka 1 mwezi 20 siku |
| 2026-07-10 06:06 | 2824 | 2 miaka 2 siku |
| 2026-07-10 06:05 | 0521 | 5 miaka 5 miezi 9 siku |
| 2026-07-10 06:05 | 0321 | 5 miaka 5 miezi 22 siku |
| 2026-07-10 06:05 | 1921 | 5 miaka 2 miezi |
| 2026-07-10 06:05 | 2321 | 5 miaka 1 mwezi 3 siku |
| 2026-07-10 06:04 | 2622 | 4 miaka 13 siku |
| 2026-07-10 06:04 | 0822 | 4 miaka 4 miezi 19 siku |
| 2026-07-10 06:04 | 0623 | 3 miaka 5 miezi 4 siku |
| 2026-07-10 06:04 | 4020 | 5 miaka 9 miezi 12 siku |
| 2026-07-10 06:03 | 1626 | 2 miezi 27 siku |
| 2026-07-10 06:03 | 1026 | 4 miezi 8 siku |
| 2026-07-09 23:43 | 0819 | 7 miaka 4 miezi 21 siku |
| 2026-07-09 22:01 | 2424 | 2 miaka 29 siku |
| 2026-07-09 22:00 | 2504 | 22 miaka 25 siku |
| 2026-07-09 21:36 | 3621 | 4 miaka 10 miezi 3 siku |