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 |
|---|---|---|
| 2024 | 34958 | 8.90 |
| 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 |
|---|---|---|
| 2024-12-13 01:57 | 1224 | 8 miezi 25 siku |
| 2024-12-13 01:48 | 1721 | 3 miaka 7 miezi 17 siku |
| 2024-12-13 01:45 | 1519 | 5 miaka 8 miezi 5 siku |
| 2024-12-13 01:42 | 4220 | 4 miaka 2 miezi 1 siku |
| 2024-12-13 01:38 | 2219 | 5 miaka 6 miezi 16 siku |
| 2024-12-13 01:16 | 4118 | 6 miaka 2 miezi 5 siku |
| 2024-12-13 01:16 | 2117 | 7 miaka 6 miezi 21 siku |
| 2024-12-13 01:15 | 464 | 30 miaka 29 siku |
| 2024-12-13 01:14 | 1017 | 7 miaka 9 miezi 7 siku |
| 2024-12-13 01:11 | 4917 | 7 miaka 9 siku |
| 2024-12-13 00:49 | 5022 | 2 miaka 1 siku |
| 2024-12-13 00:36 | 2621 | 3 miaka 5 miezi 15 siku |
| 2024-12-13 00:33 | 3223 | 1 mwaka 4 miezi 6 siku |
| 2024-12-13 00:33 | 4611 | 13 miaka 29 siku |
| 2024-12-13 00:16 | 2324 | 6 miezi 10 siku |
| 2024-12-13 00:00 | 4814 | 10 miaka 19 siku |
| 2024-12-12 23:41 | 4017 | 7 miaka 2 miezi 10 siku |
| 2024-12-12 23:28 | 4015 | 9 miaka 2 miezi 14 siku |
| 2024-12-12 23:24 | 4019 | 5 miaka 2 miezi 12 siku |
| 2024-12-12 23:23 | 3323 | 1 mwaka 3 miezi 28 siku |