ENGINEERING TRACK TESTING
Weather & Rail Temperature Monitoring
Weather station ARBOR
Ann Arbor Passenger Sta.
Measurement History
  |
Conditions for past 24 hours (since 09/17/2025 10:30 AM)
| Time | Track 1 N rail | Track 1 N rail (B) | Track 1 S rail | Track 1 S rail (B) | Outside Air Temperature |
Solar Radiation |
Max. Wind | Humidity | Air Pressure | Rain | |
| Speed | Dir | ||||||||||
| 09/18/2025 10:15 AM | 75 °F | 75 °F | 76 °F | 75 °F | 68.8 °F | 323 watt/m2 | 0 mph | --- | 36 % | 30.175 in Hg | 0 in |
| 09/18/2025 10:00 AM | 70 °F | 72 °F | 73 °F | 73 °F | 66.6 °F | 333 watt/m2 | 0 mph | --- | 0 % | 30.171 in Hg | 0 in |
| 09/18/2025 09:45 AM | 70 °F | 70 °F | 71 °F | 71 °F | 64.3 °F | 269 watt/m2 | 0 mph | --- | 0 % | 30.172 in Hg | 0 in |
| 09/18/2025 09:30 AM | 68 °F | 68 °F | 69 °F | 69 °F | 61.9 °F | 227 watt/m2 | 0 mph | --- | 0 % | 30.169 in Hg | 0 in |
| 09/18/2025 09:15 AM | 66 °F | 67 °F | 67 °F | 67 °F | 59.8 °F | 232 watt/m2 | 0 mph | --- | 0 % | 30.166 in Hg | 0 in |
| 09/18/2025 09:00 AM | 64 °F | 65 °F | 65 °F | 65 °F | 58.2 °F | 196 watt/m2 | 0 mph | --- | 0 % | 30.166 in Hg | 0 in |
| 09/18/2025 08:45 AM | 62 °F | 62 °F | 63 °F | 63 °F | 57 °F | 148 watt/m2 | 0 mph | --- | 0 % | 30.166 in Hg | 0 in |
| 09/18/2025 08:30 AM | 60 °F | 60 °F | 61 °F | 61 °F | 55.8 °F | 127 watt/m2 | 0 mph | --- | 0 % | 30.165 in Hg | 0 in |
| 09/18/2025 08:15 AM | 58 °F | 58 °F | 59 °F | 58 °F | 54.9 °F | 86 watt/m2 | 0 mph | --- | 0 % | 30.165 in Hg | 0 in |
| 09/18/2025 08:00 AM | 56 °F | 56 °F | 57 °F | 57 °F | 54.4 °F | 41 watt/m2 | 0 mph | --- | 0 % | 30.165 in Hg | 0 in |
| 09/18/2025 07:45 AM | 55 °F | 55 °F | 56 °F | 56 °F | 54.3 °F | 17 watt/m2 | 0 mph | --- | 0 % | 30.164 in Hg | 0 in |
| 09/18/2025 07:30 AM | 55 °F | 54 °F | 56 °F | 56 °F | 54.2 °F | 8 watt/m2 | 0 mph | --- | 0 % | 30.158 in Hg | 0 in |
| 09/18/2025 07:15 AM | 55 °F | 54 °F | 56 °F | 56 °F | 54.2 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.156 in Hg | 0 in |
| 09/18/2025 07:00 AM | 55 °F | 55 °F | 56 °F | 56 °F | 54.3 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.152 in Hg | 0 in |
| 09/18/2025 06:45 AM | 55 °F | 55 °F | 56 °F | 56 °F | 54.4 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.152 in Hg | 0 in |
| 09/18/2025 06:30 AM | 55 °F | 55 °F | 57 °F | 56 °F | 54.5 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.149 in Hg | 0 in |
| 09/18/2025 06:15 AM | 55 °F | 55 °F | 57 °F | 57 °F | 54.6 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.148 in Hg | 0 in |
| 09/18/2025 06:00 AM | 56 °F | 55 °F | 57 °F | 57 °F | 54.7 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.146 in Hg | 0 in |
| 09/18/2025 05:45 AM | 56 °F | 55 °F | 57 °F | 57 °F | 54.9 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.144 in Hg | 0 in |
| 09/18/2025 05:30 AM | 56 °F | 56 °F | 57 °F | 57 °F | 55 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.148 in Hg | 0 in |
| 09/18/2025 05:15 AM | 56 °F | 56 °F | 57 °F | 57 °F | 55.2 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.143 in Hg | 0 in |
| 09/18/2025 05:00 AM | 56 °F | 55 °F | 57 °F | 56 °F | 55.4 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.143 in Hg | 0 in |
| 09/18/2025 04:45 AM | 56 °F | 55 °F | 57 °F | 57 °F | 55.6 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.142 in Hg | 0 in |
| 09/18/2025 04:30 AM | 56 °F | 56 °F | 57 °F | 57 °F | 55.9 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.141 in Hg | 0 in |
| 09/18/2025 04:15 AM | 56 °F | 56 °F | 57 °F | 57 °F | 56.1 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.144 in Hg | 0 in |
| 09/18/2025 04:00 AM | 56 °F | 56 °F | 58 °F | 57 °F | 56.4 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.146 in Hg | 0 in |
| 09/18/2025 03:45 AM | 57 °F | 56 °F | 58 °F | 57 °F | 56.6 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.142 in Hg | 0 in |
| 09/18/2025 03:30 AM | 57 °F | 57 °F | 58 °F | 58 °F | 56.8 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.147 in Hg | 0 in |
| 09/18/2025 03:15 AM | 57 °F | 57 °F | 59 °F | 58 °F | 57.1 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.149 in Hg | 0 in |
| 09/18/2025 03:00 AM | 47 °F | 57 °F | 59 °F | 58 °F | 57.3 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.144 in Hg | 0 in |
| 09/18/2025 02:45 AM | 45 °F | 57 °F | 59 °F | 59 °F | 57.5 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.146 in Hg | 0 in |
| 09/18/2025 02:30 AM | 50 °F | 58 °F | 59 °F | 59 °F | 57.7 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.147 in Hg | 0 in |
| 09/18/2025 02:15 AM | 48 °F | 58 °F | 60 °F | 59 °F | 57.9 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.149 in Hg | 0 in |
| 09/18/2025 02:00 AM | 55 °F | 59 °F | 60 °F | 60 °F | 58.1 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.147 in Hg | 0 in |
| 09/18/2025 01:45 AM | 49 °F | 59 °F | 61 °F | 60 °F | 58.3 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.144 in Hg | 0 in |
| 09/18/2025 01:30 AM | 58 °F | 59 °F | 61 °F | 60 °F | 58.6 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.144 in Hg | 0 in |
| 09/18/2025 01:15 AM | 58 °F | 59 °F | 61 °F | 60 °F | 59 °F | 0 watt/m2 | 4 mph | WNW | 0 % | 30.143 in Hg | 0 in |
| 09/18/2025 01:00 AM | 59 °F | 59 °F | 61 °F | 60 °F | 59.3 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.145 in Hg | 0 in |
| 09/18/2025 12:45 AM | 60 °F | 60 °F | 61 °F | 61 °F | 59.7 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.146 in Hg | 0 in |
| 09/18/2025 12:30 AM | 60 °F | 60 °F | 62 °F | 61 °F | 60.1 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.15 in Hg | 0 in |
| 09/18/2025 12:15 AM | 61 °F | 61 °F | 62 °F | 62 °F | 60.4 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.152 in Hg | 0 in |
| 09/18/2025 12:00 AM | 61 °F | 62 °F | 63 °F | 62 °F | 60.9 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.15 in Hg | 0 in |
| 09/17/2025 11:45 PM | 62 °F | 62 °F | 64 °F | 63 °F | 61.4 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.151 in Hg | 0 in |
| 09/17/2025 11:30 PM | 63 °F | 63 °F | 64 °F | 63 °F | 61.9 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.153 in Hg | 0 in |
| 09/17/2025 11:15 PM | 63 °F | 64 °F | 65 °F | 64 °F | 62.3 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.152 in Hg | 0 in |
| 09/17/2025 11:00 PM | 64 °F | 65 °F | 65 °F | 65 °F | 62.6 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.151 in Hg | 0 in |
| 09/17/2025 10:45 PM | 65 °F | 65 °F | 66 °F | 65 °F | 63 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.152 in Hg | 0 in |
| 09/17/2025 10:30 PM | 66 °F | 66 °F | 67 °F | 66 °F | 63.4 °F | 0 watt/m2 | 0 mph | --- | 0 % | 30.15 in Hg | 0 in |
| 09/17/2025 10:15 PM | 66 °F | 67 °F | 68 °F | 67 °F | 64 °F | 0 watt/m2 | 0 mph | --- | 5 % | 30.144 in Hg | 0 in |
| 09/17/2025 10:00 PM | 67 °F | 68 °F | 69 °F | 68 °F | 64.7 °F | 0 watt/m2 | 0 mph | --- | 12 % | 30.138 in Hg | 0 in |
| 09/17/2025 09:45 PM | 68 °F | 69 °F | 70 °F | 69 °F | 65.3 °F | 0 watt/m2 | 0 mph | --- | 18 % | 30.138 in Hg | 0 in |
| 09/17/2025 09:30 PM | 69 °F | 70 °F | 71 °F | 70 °F | 66 °F | 0 watt/m2 | 0 mph | --- | 23 % | 30.14 in Hg | 0 in |
| 09/17/2025 09:15 PM | 70 °F | 71 °F | 72 °F | 70 °F | 67 °F | 0 watt/m2 | 0 mph | --- | 35 % | 30.137 in Hg | 0 in |
| 09/17/2025 09:00 PM | 71 °F | 72 °F | 73 °F | 71 °F | 67.9 °F | 0 watt/m2 | 0 mph | --- | 43 % | 30.132 in Hg | 0 in |
| 09/17/2025 08:45 PM | 73 °F | 74 °F | 74 °F | 72 °F | 68.6 °F | 0 watt/m2 | 0 mph | --- | 52 % | 30.126 in Hg | 0 in |
| 09/17/2025 08:30 PM | 74 °F | 75 °F | 75 °F | 74 °F | 69.9 °F | 0 watt/m2 | 0 mph | --- | 57 % | 30.126 in Hg | 0 in |
| 09/17/2025 08:15 PM | 75 °F | 77 °F | 76 °F | 75 °F | 71.5 °F | 0 watt/m2 | 0 mph | --- | 57 % | 30.12 in Hg | 0 in |
| 09/17/2025 08:00 PM | 60 °F | 79 °F | 78 °F | 76 °F | 72.8 °F | 0 watt/m2 | 0 mph | --- | 57 % | 30.118 in Hg | 0 in |
| 09/17/2025 07:45 PM | 62 °F | 80 °F | 79 °F | 77 °F | 74.8 °F | 1 watt/m2 | 0 mph | --- | 54 % | 30.115 in Hg | 0 in |
| 09/17/2025 07:30 PM | 55 °F | 82 °F | 81 °F | 78 °F | 76.7 °F | 10 watt/m2 | 0 mph | --- | 53 % | 30.113 in Hg | 0 in |
| 09/17/2025 07:15 PM | 79 °F | 84 °F | 82 °F | 80 °F | 78.6 °F | 24 watt/m2 | 0 mph | --- | 46 % | 30.118 in Hg | 0 in |
| 09/17/2025 07:00 PM | 51 °F | 86 °F | 83 °F | 81 °F | 80 °F | 60 watt/m2 | 0 mph | --- | 43 % | 30.117 in Hg | 0 in |
| 09/17/2025 06:45 PM | 80 °F | 88 °F | 85 °F | 82 °F | 80.9 °F | 104 watt/m2 | 0 mph | --- | 41 % | 30.118 in Hg | 0 in |
| 09/17/2025 06:30 PM | 76 °F | 90 °F | 86 °F | 83 °F | 81.6 °F | 155 watt/m2 | 0 mph | --- | 39 % | 30.117 in Hg | 0 in |
| 09/17/2025 06:15 PM | 46 °F | 92 °F | 87 °F | 84 °F | 82.2 °F | 208 watt/m2 | 2 mph | WNW | 37 % | 30.117 in Hg | 0 in |
| 09/17/2025 06:00 PM | 53 °F | 93 °F | 89 °F | 85 °F | 82.4 °F | 256 watt/m2 | 0 mph | --- | 38 % | 30.115 in Hg | 0 in |
| 09/17/2025 05:45 PM | 47 °F | 94 °F | 91 °F | 86 °F | 82.7 °F | 300 watt/m2 | 2 mph | WNW | 37 % | 30.116 in Hg | 0 in |
| 09/17/2025 05:30 PM | 50 °F | 94 °F | 93 °F | 87 °F | 82.8 °F | 342 watt/m2 | 4 mph | WNW | 37 % | 30.118 in Hg | 0 in |
| 09/17/2025 05:15 PM | 45 °F | 94 °F | 95 °F | 88 °F | 83.2 °F | 387 watt/m2 | 0 mph | --- | 37 % | 30.116 in Hg | 0 in |
| 09/17/2025 05:00 PM | 48 °F | 95 °F | 97 °F | 89 °F | 83.3 °F | 423 watt/m2 | 1 mph | WNW | 37 % | 30.119 in Hg | 0 in |
| 09/17/2025 04:45 PM | 89 °F | 98 °F | 99 °F | 91 °F | 82.5 °F | 460 watt/m2 | 6 mph | WNW | 39 % | 30.129 in Hg | 0 in |
| 09/17/2025 04:30 PM | 91 °F | 101 °F | 100 °F | 92 °F | 82.6 °F | 497 watt/m2 | 5 mph | NW | 39 % | 30.132 in Hg | 0 in |
| 09/17/2025 04:15 PM | 92 °F | 105 °F | 100 °F | 93 °F | 82.3 °F | 531 watt/m2 | 4 mph | NW | 39 % | 30.136 in Hg | 0 in |
| 09/17/2025 04:00 PM | 94 °F | 109 °F | 103 °F | 94 °F | 82.1 °F | 562 watt/m2 | 7 mph | WNW | 41 % | 30.136 in Hg | 0 in |
| 09/17/2025 03:45 PM | 97 °F | 114 °F | 107 °F | 97 °F | 82.8 °F | 593 watt/m2 | 9 mph | WNW | 40 % | 30.137 in Hg | 0 in |
| 09/17/2025 03:30 PM | 100 °F | 117 °F | 110 °F | 100 °F | 82.3 °F | 617 watt/m2 | 6 mph | WNW | 40 % | 30.141 in Hg | 0 in |
| 09/17/2025 03:15 PM | 103 °F | 116 °F | 110 °F | 103 °F | 82.2 °F | 641 watt/m2 | 7 mph | WNW | 40 % | 30.147 in Hg | 0 in |
| 09/17/2025 03:00 PM | 108 °F | 116 °F | 110 °F | 107 °F | 81.1 °F | 657 watt/m2 | 9 mph | WNW | 42 % | 30.149 in Hg | 0 in |
| 09/17/2025 02:45 PM | 113 °F | 116 °F | 111 °F | 110 °F | 81.4 °F | 674 watt/m2 | 8 mph | NW | 42 % | 30.153 in Hg | 0 in |
| 09/17/2025 02:30 PM | 115 °F | 115 °F | 112 °F | 111 °F | 82.4 °F | 689 watt/m2 | 6 mph | WNW | 42 % | 30.159 in Hg | 0 in |
| 09/17/2025 02:15 PM | 114 °F | 114 °F | 114 °F | 111 °F | 81.6 °F | 699 watt/m2 | 4 mph | WNW | 42 % | 30.164 in Hg | 0 in |
| 09/17/2025 02:00 PM | 113 °F | 113 °F | 113 °F | 112 °F | 80.4 °F | 709 watt/m2 | 4 mph | WNW | 43 % | 30.166 in Hg | 0 in |
| 09/17/2025 01:45 PM | 99 °F | 111 °F | 111 °F | 111 °F | 80.4 °F | 711 watt/m2 | 6 mph | WNW | 44 % | 30.175 in Hg | 0 in |
| 09/17/2025 01:30 PM | 104 °F | 109 °F | 109 °F | 109 °F | 79.8 °F | 709 watt/m2 | 7 mph | NNE | 46 % | 30.178 in Hg | 0 in |
| 09/17/2025 01:15 PM | 106 °F | 107 °F | 107 °F | 107 °F | 79.5 °F | 710 watt/m2 | 6 mph | WNW | 47 % | 30.183 in Hg | 0 in |
| 09/17/2025 01:00 PM | 104 °F | 105 °F | 106 °F | 105 °F | 79.1 °F | 700 watt/m2 | 7 mph | WNW | 47 % | 30.19 in Hg | 0 in |
| 09/17/2025 12:45 PM | 102 °F | 103 °F | 104 °F | 103 °F | 79.4 °F | 691 watt/m2 | 6 mph | WNW | 48 % | 30.194 in Hg | 0 in |
| 09/17/2025 12:30 PM | 100 °F | 100 °F | 101 °F | 101 °F | 78.3 °F | 674 watt/m2 | 5 mph | NW | 50 % | 30.199 in Hg | 0 in |
| 09/17/2025 12:15 PM | 95 °F | 98 °F | 99 °F | 98 °F | 77.3 °F | 660 watt/m2 | 6 mph | WNW | 51 % | 30.201 in Hg | 0 in |
| 09/17/2025 12:00 PM | 57 °F | 95 °F | 96 °F | 95 °F | 76.9 °F | 639 watt/m2 | 0 mph | --- | 52 % | 30.204 in Hg | 0 in |
| 09/17/2025 11:45 AM | 91 °F | 92 °F | 93 °F | 93 °F | 75.7 °F | 618 watt/m2 | 0 mph | --- | 55 % | 30.21 in Hg | 0 in |
| 09/17/2025 11:30 AM | 88 °F | 89 °F | 90 °F | 90 °F | 74.6 °F | 593 watt/m2 | 1 mph | N | 56 % | 30.215 in Hg | 0 in |
| 09/17/2025 11:15 AM | 86 °F | 86 °F | 87 °F | 87 °F | 73.6 °F | 562 watt/m2 | 0 mph | --- | 57 % | 30.219 in Hg | 0 in |
| 09/17/2025 11:00 AM | 83 °F | 83 °F | 84 °F | 84 °F | 72.1 °F | 531 watt/m2 | 0 mph | --- | 53 % | 30.226 in Hg | 0 in |
| 09/17/2025 10:45 AM | 80 °F | 80 °F | 82 °F | 81 °F | 70.8 °F | 498 watt/m2 | 0 mph | --- | 43 % | 30.226 in Hg | 0 in |