ENGINEERING TRACK TESTING
Weather & Rail Temperature Monitoring

Weather station GRUNDY

Grundy Interlocking (Bristol PA)

Measurement History

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Conditions for past 24 hours (since 07/26/2025 09:40 AM)

Time Track 4 S rail Track 4 N rail Track 4 S rail Track 4 N rail Outside Air
Temperature		 Solar
Radiation		 Max. Wind Humidity Air Pressure Rain
SpeedDir
07/27/2025 09:30 AM 81 °F 80 °F 80 °F 79 °F 76.2 °F 563 watt/m2 0 mph --- 89 % 31.868 in Hg 0 in
07/27/2025 09:15 AM 80 °F 79 °F 78 °F 78 °F 75.6 °F 544 watt/m2 0 mph --- 90 % 31.868 in Hg 0 in
07/27/2025 09:00 AM 78 °F 78 °F 77 °F 77 °F 75 °F 559 watt/m2 0 mph --- 90 % 31.868 in Hg 0 in
07/27/2025 08:45 AM 76 °F 76 °F 76 °F 75 °F 74.5 °F 545 watt/m2 0 mph --- 90 % 31.868 in Hg 0 in
07/27/2025 08:30 AM 75 °F 75 °F 75 °F 74 °F 73.8 °F 570 watt/m2 0 mph --- 90 % 31.868 in Hg 0 in
07/27/2025 08:15 AM 75 °F 74 °F 74 °F 74 °F 73.6 °F 587 watt/m2 0 mph --- 90 % 31.868 in Hg 0 in
07/27/2025 08:00 AM 74 °F 74 °F 74 °F 74 °F 73.3 °F 571 watt/m2 0 mph --- 90 % 31.868 in Hg 0 in
07/27/2025 07:45 AM 73 °F 73 °F 73 °F 73 °F 73 °F 583 watt/m2 0 mph --- 90 % 31.868 in Hg 0 in
07/27/2025 07:30 AM 73 °F 73 °F 73 °F 73 °F 72.9 °F 588 watt/m2 0 mph --- 90 % 31.868 in Hg 0 in
07/27/2025 07:15 AM 73 °F 73 °F 72 °F 72 °F 72.8 °F 580 watt/m2 0 mph --- 90 % 31.868 in Hg 0 in
07/27/2025 07:00 AM 72 °F 72 °F 72 °F 72 °F 72.6 °F 582 watt/m2 0 mph --- 90 % 31.868 in Hg 0 in
07/27/2025 06:45 AM 71 °F 72 °F 71 °F 71 °F 72.3 °F 599 watt/m2 0 mph --- 90 % 31.868 in Hg 0 in
07/27/2025 06:30 AM 71 °F 71 °F 71 °F 71 °F 72.4 °F 640 watt/m2 0 mph --- 90 % 31.868 in Hg 0 in
07/27/2025 06:15 AM 71 °F 71 °F 71 °F 71 °F 72.4 °F 692 watt/m2 0 mph --- 89 % 31.868 in Hg 0 in
07/27/2025 06:00 AM 71 °F 71 °F 71 °F 71 °F 72.4 °F 719 watt/m2 0 mph --- 89 % 31.868 in Hg 0 in
07/27/2025 05:45 AM 72 °F 72 °F 71 °F 71 °F 72.6 °F 731 watt/m2 0 mph --- 89 % 31.868 in Hg 0 in
07/27/2025 05:30 AM 72 °F 72 °F 71 °F 71 °F 72.7 °F 733 watt/m2 0 mph --- 89 % 31.868 in Hg 0 in
07/27/2025 05:15 AM 72 °F 72 °F 71 °F 71 °F 72.7 °F 731 watt/m2 0 mph --- 89 % 31.868 in Hg 0 in
07/27/2025 05:00 AM 72 °F 72 °F 72 °F 72 °F 72.9 °F 733 watt/m2 0 mph --- 88 % 31.868 in Hg 0 in
07/27/2025 04:45 AM 72 °F 72 °F 72 °F 72 °F 73.1 °F 734 watt/m2 0 mph --- 88 % 31.868 in Hg 0 in
07/27/2025 04:30 AM 73 °F 73 °F 72 °F 72 °F 73.5 °F 735 watt/m2 0 mph --- 88 % 31.868 in Hg 0 in
07/27/2025 04:15 AM 73 °F 73 °F 72 °F 72 °F 73.8 °F 735 watt/m2 0 mph --- 87 % 31.868 in Hg 0 in
07/27/2025 04:00 AM 73 °F 73 °F 73 °F 73 °F 73.8 °F 735 watt/m2 0 mph --- 86 % 31.868 in Hg 0 in
07/27/2025 03:45 AM 73 °F 73 °F 73 °F 73 °F 74 °F 736 watt/m2 0 mph --- 86 % 31.868 in Hg 0 in
07/27/2025 03:30 AM 74 °F 74 °F 73 °F 73 °F 74.3 °F 739 watt/m2 0 mph --- 84 % 31.868 in Hg 0.01 in
07/27/2025 03:15 AM 74 °F 74 °F 74 °F 74 °F 74.9 °F 746 watt/m2 0 mph --- 82 % 31.868 in Hg 0.02 in
07/27/2025 03:00 AM 75 °F 75 °F 75 °F 75 °F 74.9 °F 750 watt/m2 0 mph --- 81 % 31.868 in Hg 0 in
07/27/2025 02:45 AM 75 °F 75 °F 75 °F 75 °F 74.6 °F 749 watt/m2 0 mph --- 79 % 31.868 in Hg 0 in
07/27/2025 02:30 AM 75 °F 76 °F 75 °F 75 °F 74.6 °F 749 watt/m2 0 mph --- 79 % 31.868 in Hg 0 in
07/27/2025 02:15 AM 76 °F 76 °F 75 °F 75 °F 74.6 °F 750 watt/m2 0 mph --- 78 % 31.868 in Hg 0 in
07/27/2025 02:00 AM 76 °F 76 °F 75 °F 75 °F 74.6 °F 749 watt/m2 0 mph --- 78 % 31.868 in Hg 0 in
07/27/2025 01:45 AM 76 °F 76 °F 75 °F 75 °F 74.6 °F 749 watt/m2 0 mph --- 77 % 31.868 in Hg 0 in
07/27/2025 01:30 AM 76 °F 76 °F 75 °F 75 °F 74.7 °F 750 watt/m2 0 mph --- 77 % 31.868 in Hg 0 in
07/27/2025 01:15 AM 76 °F 76 °F 76 °F 75 °F 74.7 °F 751 watt/m2 0 mph --- 76 % 31.868 in Hg 0 in
07/27/2025 01:00 AM 76 °F 76 °F 76 °F 76 °F 74.7 °F 749 watt/m2 0 mph --- 76 % 31.868 in Hg 0 in
07/27/2025 12:45 AM 76 °F 76 °F 76 °F 76 °F 74.8 °F 751 watt/m2 0 mph --- 75 % 31.868 in Hg 0 in
07/27/2025 12:30 AM 77 °F 77 °F 76 °F 76 °F 75 °F 752 watt/m2 0 mph --- 75 % 31.868 in Hg 0 in
07/27/2025 12:15 AM 77 °F 77 °F 76 °F 76 °F 75.2 °F 752 watt/m2 0 mph --- 74 % 31.868 in Hg 0 in
07/27/2025 12:00 AM 77 °F 77 °F 77 °F 77 °F 75.5 °F 754 watt/m2 0 mph --- 73 % 31.868 in Hg 0 in
07/26/2025 11:45 PM 78 °F 78 °F 77 °F 77 °F 75.7 °F 756 watt/m2 0 mph --- 72 % 31.868 in Hg 0 in
07/26/2025 11:30 PM 78 °F 78 °F 77 °F 77 °F 75.8 °F 756 watt/m2 0 mph --- 72 % 31.868 in Hg 0 in
07/26/2025 11:15 PM 78 °F 78 °F 78 °F 78 °F 75.8 °F 757 watt/m2 0 mph --- 71 % 31.868 in Hg 0 in
07/26/2025 11:00 PM 78 °F 79 °F 78 °F 78 °F 76 °F 758 watt/m2 0 mph --- 71 % 31.868 in Hg 0 in
07/26/2025 10:45 PM 79 °F 79 °F 78 °F 78 °F 76.2 °F 758 watt/m2 0 mph --- 70 % 31.868 in Hg 0 in
07/26/2025 10:30 PM 79 °F 79 °F 79 °F 79 °F 76.3 °F 759 watt/m2 0 mph --- 69 % 31.868 in Hg 0 in
07/26/2025 10:15 PM 80 °F 80 °F 79 °F 79 °F 76.5 °F 759 watt/m2 0 mph --- 69 % 31.868 in Hg 0 in
07/26/2025 10:00 PM 80 °F 80 °F 80 °F 79 °F 76.6 °F 761 watt/m2 0 mph --- 68 % 31.868 in Hg 0 in
07/26/2025 09:45 PM 81 °F 81 °F 80 °F 80 °F 76.7 °F 762 watt/m2 0 mph --- 67 % 31.868 in Hg 0 in
07/26/2025 09:30 PM 81 °F 82 °F 81 °F 81 °F 77.1 °F 765 watt/m2 0 mph --- 66 % 31.868 in Hg 0 in
07/26/2025 09:15 PM 82 °F 82 °F 82 °F 82 °F 77.6 °F 766 watt/m2 0 mph --- 65 % 31.868 in Hg 0 in
07/26/2025 09:00 PM 83 °F 83 °F 83 °F 82 °F 78 °F 768 watt/m2 0 mph --- 64 % 31.868 in Hg 0 in
07/26/2025 08:45 PM 84 °F 84 °F 84 °F 84 °F 78.3 °F 771 watt/m2 0 mph --- 64 % 31.868 in Hg 0 in
07/26/2025 08:30 PM 86 °F 86 °F 85 °F 85 °F 79 °F 769 watt/m2 0 mph --- 62 % 31.868 in Hg 0 in
07/26/2025 08:15 PM 87 °F 87 °F 87 °F 87 °F 79.4 °F 745 watt/m2 0 mph --- 62 % 31.868 in Hg 0 in
07/26/2025 08:00 PM 89 °F 89 °F 89 °F 88 °F 80.1 °F 689 watt/m2 0 mph --- 61 % 31.868 in Hg 0 in
07/26/2025 07:45 PM 91 °F 91 °F 91 °F 90 °F 80.8 °F 621 watt/m2 0 mph --- 60 % 31.868 in Hg 0 in
07/26/2025 07:30 PM 93 °F 93 °F 92 °F 92 °F 81.6 °F 593 watt/m2 0 mph --- 59 % 31.868 in Hg 0 in
07/26/2025 07:15 PM 94 °F 95 °F 94 °F 94 °F 82.3 °F 583 watt/m2 0 mph --- 58 % 31.868 in Hg 0 in
07/26/2025 07:00 PM 96 °F 96 °F 96 °F 95 °F 82.8 °F 574 watt/m2 0 mph --- 59 % 31.868 in Hg 0 in
07/26/2025 06:45 PM 97 °F 97 °F 97 °F 96 °F 83.2 °F 574 watt/m2 0 mph --- 58 % 31.868 in Hg 0 in
07/26/2025 06:30 PM 98 °F 98 °F 98 °F 97 °F 83.8 °F 560 watt/m2 0 mph --- 57 % 31.868 in Hg 0 in
07/26/2025 06:15 PM 98 °F 98 °F 98 °F 97 °F 84.1 °F 552 watt/m2 0 mph --- 56 % 31.868 in Hg 0 in
07/26/2025 06:00 PM 99 °F 99 °F 98 °F 98 °F 84.4 °F 548 watt/m2 0 mph --- 56 % 31.868 in Hg 0 in
07/26/2025 05:45 PM 99 °F 100 °F 99 °F 98 °F 84.8 °F 564 watt/m2 0 mph --- 56 % 31.868 in Hg 0 in
07/26/2025 05:30 PM 101 °F 101 °F 101 °F 100 °F 85.4 °F 558 watt/m2 0 mph --- 55 % 31.868 in Hg 0 in
07/26/2025 05:15 PM 102 °F 102 °F 101 °F 101 °F 85.7 °F 551 watt/m2 0 mph --- 55 % 31.868 in Hg 0 in
07/26/2025 05:00 PM 104 °F 104 °F 104 °F 103 °F 85.6 °F 558 watt/m2 0 mph --- 56 % 31.868 in Hg 0 in
07/26/2025 04:45 PM 106 °F 106 °F 105 °F 105 °F 85.8 °F 550 watt/m2 0 mph --- 57 % 31.868 in Hg 0 in
07/26/2025 04:30 PM 108 °F 108 °F 107 °F 107 °F 86.3 °F 529 watt/m2 0 mph --- 55 % 31.868 in Hg 0 in
07/26/2025 04:15 PM 106 °F 107 °F 106 °F 105 °F 85.6 °F 540 watt/m2 0 mph --- 57 % 31.868 in Hg 0 in
07/26/2025 04:00 PM 108 °F 108 °F 107 °F 107 °F 85.7 °F 549 watt/m2 0 mph --- 56 % 31.868 in Hg 0 in
07/26/2025 03:45 PM 110 °F 110 °F 109 °F 109 °F 86.1 °F 539 watt/m2 0 mph --- 55 % 31.868 in Hg 0 in
07/26/2025 03:30 PM 111 °F 110 °F 110 °F 110 °F 86.3 °F 533 watt/m2 0 mph --- 54 % 31.868 in Hg 0 in
07/26/2025 03:15 PM 112 °F 112 °F 110 °F 110 °F 86.4 °F 525 watt/m2 0 mph --- 54 % 31.868 in Hg 0 in
07/26/2025 03:00 PM 112 °F 113 °F 112 °F 111 °F 86.5 °F 531 watt/m2 0 mph --- 54 % 31.868 in Hg 0 in
07/26/2025 02:45 PM 113 °F 114 °F 113 °F 112 °F 86.8 °F 521 watt/m2 0 mph --- 53 % 31.868 in Hg 0 in
07/26/2025 02:30 PM 112 °F 112 °F 112 °F 111 °F 85.9 °F 521 watt/m2 0 mph --- 56 % 31.868 in Hg 0 in
07/26/2025 02:15 PM 112 °F 112 °F 112 °F 111 °F 86.2 °F 534 watt/m2 0 mph --- 53 % 31.868 in Hg 0 in
07/26/2025 02:00 PM 112 °F 113 °F 112 °F 111 °F 85.8 °F 523 watt/m2 0 mph --- 55 % 31.868 in Hg 0 in
07/26/2025 01:45 PM 111 °F 112 °F 111 °F 111 °F 85.4 °F 523 watt/m2 0 mph --- 56 % 31.868 in Hg 0 in
07/26/2025 01:30 PM 111 °F 112 °F 112 °F 111 °F 85.1 °F 521 watt/m2 0 mph --- 55 % 31.868 in Hg 0 in
07/26/2025 01:15 PM 112 °F 112 °F 112 °F 111 °F 85.2 °F 522 watt/m2 0 mph --- 57 % 31.868 in Hg 0 in
07/26/2025 01:00 PM 111 °F 111 °F 111 °F 111 °F 85.2 °F 515 watt/m2 0 mph --- 57 % 31.868 in Hg 0 in
07/26/2025 12:45 PM 110 °F 111 °F 111 °F 110 °F 85.3 °F 520 watt/m2 0 mph --- 57 % 31.868 in Hg 0 in
07/26/2025 12:30 PM 110 °F 111 °F 111 °F 110 °F 85.1 °F 516 watt/m2 0 mph --- 56 % 31.868 in Hg 0 in
07/26/2025 12:15 PM 110 °F 110 °F 110 °F 110 °F 85 °F 516 watt/m2 0 mph --- 57 % 31.868 in Hg 0 in
07/26/2025 12:00 PM 109 °F 110 °F 110 °F 109 °F 84.3 °F 521 watt/m2 0 mph --- 60 % 31.868 in Hg 0 in
07/26/2025 11:45 AM 110 °F 110 °F 110 °F 109 °F 84.1 °F 528 watt/m2 0 mph --- 62 % 31.868 in Hg 0 in
07/26/2025 11:30 AM 109 °F 109 °F 109 °F 109 °F 83.7 °F 519 watt/m2 0 mph --- 61 % 31.868 in Hg 0 in
07/26/2025 11:15 AM 109 °F 109 °F 109 °F 109 °F 83.9 °F 522 watt/m2 0 mph --- 61 % 31.868 in Hg 0 in
07/26/2025 11:00 AM 108 °F 108 °F 109 °F 108 °F 83.8 °F 519 watt/m2 0 mph --- 62 % 31.868 in Hg 0 in
07/26/2025 10:45 AM 107 °F 107 °F 108 °F 107 °F 83.6 °F 518 watt/m2 0 mph --- 61 % 31.868 in Hg 0 in
07/26/2025 10:30 AM 105 °F 106 °F 107 °F 106 °F 82.8 °F 519 watt/m2 0 mph --- 62 % 31.868 in Hg 0 in
07/26/2025 10:15 AM 104 °F 105 °F 105 °F 105 °F 82.5 °F 521 watt/m2 0 mph --- 63 % 31.868 in Hg 0 in
07/26/2025 10:00 AM 103 °F 103 °F 104 °F 103 °F 82.6 °F 522 watt/m2 0 mph --- 65 % 31.868 in Hg 0 in
07/26/2025 09:45 AM 101 °F 102 °F 102 °F 102 °F 82 °F 522 watt/m2 0 mph --- 66 % 31.868 in Hg 0 in

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