This shows the number of weather stations (both ham and non-ham) sending directly to APRS-IS servers. The information for packets is here.
| Year | Mon | Day | Hour | AMB1 | AMB2 | CWOP-3 | CWOP-4 | CWOP-5 | CWOP-6 | CWOP-7 | 5th | 1st | 4th | 2nd | 6th | 9th | 8th | 3rd | other | Total |
| 2026 | 09 | 19 | 13 | 1684 | 674 | 2505 | 107 | 2907 | 2653 | 2811 | 11 | 27 | 34 | 13 | 26 | 27 | 44 | 47 | 2523 | 16093 |
| 2026 | 09 | 19 | 12 | 1684 | 675 | 2876 | 109 | 2617 | 2397 | 2976 | 27 | 22 | 28 | 34 | 16 | 20 | 39 | 48 | 2509 | 16077 |
| 2026 | 09 | 19 | 11 | 1682 | 675 | 2557 | 111 | 2231 | 2886 | 3181 | 21 | 28 | 24 | 23 | 18 | 27 | 31 | 62 | 2502 | 16059 |
| 2026 | 09 | 19 | 10 | 1683 | 675 | 2575 | 123 | 2626 | 2882 | 2752 | 21 | 32 | 24 | 20 | 21 | 20 | 39 | 55 | 2493 | 16041 |
| 2026 | 09 | 19 | 09 | 1683 | 675 | 2806 | 132 | 2198 | 2724 | 3096 | 23 | 26 | 26 | 24 | 28 | 23 | 37 | 55 | 2476 | 16032 |
| 2026 | 09 | 19 | 08 | 1685 | 673 | 2952 | 132 | 2574 | 2628 | 2666 | 19 | 20 | 21 | 24 | 24 | 27 | 41 | 57 | 2468 | 16011 |
| 2026 | 09 | 19 | 07 | 1684 | 673 | 2461 | 129 | 2352 | 2693 | 3308 | 19 | 22 | 29 | 25 | 21 | 26 | 42 | 52 | 2449 | 15985 |
| 2026 | 09 | 19 | 06 | 1685 | 673 | 1941 | 124 | 2603 | 3007 | 3256 | 20 | 31 | 23 | 31 | 25 | 20 | 29 | 51 | 2437 | 15956 |
| 2026 | 09 | 19 | 05 | 1685 | 672 | 2117 | 114 | 2565 | 2398 | 3727 | 20 | 19 | 32 | 19 | 22 | 24 | 40 | 44 | 2432 | 15930 |
| 2026 | 09 | 19 | 04 | 1686 | 671 | 2832 | 116 | 2434 | 2749 | 2774 | 22 | 19 | 22 | 25 | 25 | 19 | 40 | 52 | 2415 | 15901 |
| 2026 | 09 | 19 | 03 | 1684 | 672 | 2336 | 118 | 2632 | 2666 | 3140 | 29 | 16 | 30 | 26 | 18 | 27 | 37 | 50 | 2382 | 15863 |
| 2026 | 09 | 19 | 02 | 1683 | 673 | 2428 | 119 | 2286 | 2837 | 3199 | 25 | 28 | 24 | 34 | 24 | 20 | 35 | 45 | 2367 | 15827 |
| 2026 | 09 | 19 | 01 | 1680 | 673 | 2676 | 123 | 2632 | 2688 | 2707 | 15 | 36 | 23 | 32 | 31 | 26 | 24 | 48 | 2346 | 15760 |
| 2026 | 09 | 19 | 00 | 1681 | 678 | 2599 | 125 | 2497 | 2981 | 2858 | 17 | 29 | 28 | 25 | 18 | 28 | 44 | 49 | 2565 | 16222 |
| 2026 | 09 | 18 | 23 | 1685 | 678 | 2335 | 116 | 2535 | 2668 | 3398 | 22 | 20 | 23 | 23 | 28 | 38 | 42 | 52 | 2554 | 16217 |
| 2026 | 09 | 18 | 22 | 1684 | 677 | 2279 | 116 | 2342 | 3342 | 2961 | 29 | 27 | 27 | 20 | 26 | 20 | 36 | 52 | 2564 | 16202 |
| 2026 | 09 | 18 | 21 | 1687 | 678 | 2372 | 121 | 3005 | 2562 | 2977 | 24 | 25 | 21 | 27 | 19 | 21 | 50 | 54 | 2551 | 16194 |
| 2026 | 09 | 18 | 20 | 1684 | 678 | 2357 | 118 | 2404 | 2818 | 3339 | 25 | 22 | 26 | 25 | 10 | 34 | 49 | 53 | 2546 | 16188 |
| 2026 | 09 | 18 | 19 | 1682 | 679 | 2834 | 115 | 2668 | 2623 | 2785 | 13 | 26 | 32 | 39 | 24 | 18 | 46 | 41 | 2556 | 16181 |
| 2026 | 09 | 18 | 18 | 1683 | 679 | 2317 | 130 | 2699 | 2541 | 3336 | 21 | 24 | 18 | 27 | 23 | 27 | 40 | 58 | 2549 | 16172 |
| 2026 | 09 | 18 | 17 | 1682 | 679 | 2409 | 130 | 2784 | 1976 | 3716 | 24 | 24 | 16 | 36 | 19 | 30 | 40 | 51 | 2543 | 16159 |
| 2026 | 09 | 18 | 16 | 1680 | 679 | 2550 | 130 | 2080 | 2499 | 3752 | 24 | 24 | 18 | 33 | 26 | 19 | 39 | 48 | 2545 | 16146 |
| 2026 | 09 | 18 | 15 | 1678 | 678 | 2210 | 110 | 2221 | 2654 | 3807 | 21 | 25 | 20 | 38 | 20 | 29 | 39 | 52 | 2530 | 16132 |
| 2026 | 09 | 18 | 14 | 1677 | 678 | 2761 | 132 | 2360 | 2990 | 2757 | 28 | 21 | 28 | 24 | 18 | 30 | 44 | 44 | 2528 | 16120 |
| 2026 | 09 | 18 | 13 | 1678 | 678 | 2166 | 127 | 3015 | 2690 | 2986 | 19 | 20 | 21 | 27 | 19 | 29 | 44 | 61 | 2520 | 16100 |
| 2026 | 09 | 18 | 12 | 1678 | 678 | 2712 | 126 | 2241 | 2929 | 2969 | 22 | 19 | 29 | 30 | 27 | 36 | 27 | 53 | 2508 | 16084 |
| 2026 | 09 | 18 | 11 | 1681 | 679 | 2718 | 113 | 2567 | 2369 | 3201 | 20 | 20 | 27 | 32 | 28 | 23 | 37 | 46 | 2508 | 16069 |
| 2026 | 09 | 18 | 10 | 1681 | 677 | 2610 | 119 | 2494 | 2553 | 3185 | 16 | 30 | 24 | 24 | 26 | 24 | 44 | 48 | 2499 | 16054 |
| 2026 | 09 | 18 | 09 | 1683 | 678 | 2933 | 113 | 2192 | 2491 | 3222 | 22 | 26 | 24 | 33 | 29 | 20 | 34 | 52 | 2479 | 16031 |
| 2026 | 09 | 18 | 08 | 1681 | 676 | 2505 | 122 | 2291 | 2757 | 3271 | 25 | 24 | 22 | 26 | 20 | 26 | 34 | 55 | 2469 | 16004 |
| 2026 | 09 | 18 | 07 | 1677 | 676 | 2303 | 123 | 2515 | 2666 | 3333 | 32 | 19 | 30 | 30 | 17 | 27 | 37 | 48 | 2448 | 15981 |
| 2026 | 09 | 18 | 06 | 1677 | 676 | 2351 | 109 | 2869 | 2619 | 2975 | 21 | 20 | 23 | 31 | 32 | 26 | 35 | 49 | 2438 | 15951 |
| 2026 | 09 | 18 | 05 | 1679 | 676 | 2654 | 126 | 2222 | 2646 | 3259 | 26 | 25 | 24 | 27 | 30 | 24 | 35 | 49 | 2420 | 15922 |
| 2026 | 09 | 18 | 04 | 1677 | 677 | 2367 | 114 | 2170 | 3444 | 2802 | 15 | 21 | 21 | 31 | 27 | 28 | 31 | 54 | 2414 | 15893 |
| 2026 | 09 | 18 | 03 | 1679 | 675 | 2405 | 129 | 3132 | 2359 | 2858 | 15 | 26 | 26 | 33 | 25 | 27 | 40 | 47 | 2386 | 15862 |
| 2026 | 09 | 18 | 02 | 1679 | 677 | 2298 | 129 | 2825 | 3011 | 2597 | 19 | 27 | 25 | 30 | 23 | 24 | 46 | 47 | 2364 | 15821 |
| 2026 | 09 | 18 | 01 | 1677 | 675 | 2442 | 115 | 2810 | 2465 | 2990 | 21 | 21 | 26 | 31 | 23 | 33 | 38 | 53 | 2326 | 15746 |
| 2026 | 09 | 18 | 00 | 1679 | 680 | 2159 | 133 | 3260 | 3114 | 2388 | 31 | 16 | 29 | 28 | 20 | 26 | 37 | 50 | 2584 | 16234 |
| 2026 | 09 | 17 | 23 | 1680 | 680 | 1927 | 133 | 2656 | 2889 | 3443 | 22 | 15 | 19 | 25 | 32 | 37 | 30 | 60 | 2579 | 16227 |
| 2026 | 09 | 17 | 22 | 1681 | 680 | 2672 | 97 | 2846 | 2732 | 2695 | 14 | 24 | 22 | 23 | 28 | 27 | 54 | 47 | 2577 | 16219 |
| 2026 | 09 | 17 | 21 | 1679 | 680 | 2725 | 113 | 2484 | 2547 | 3170 | 21 | 26 | 35 | 28 | 17 | 32 | 34 | 56 | 2566 | 16213 |
| 2026 | 09 | 17 | 20 | 1679 | 681 | 2333 | 133 | 3457 | 2617 | 2491 | 23 | 29 | 34 | 25 | 17 | 28 | 42 | 52 | 2563 | 16204 |
| 2026 | 09 | 17 | 19 | 1683 | 680 | 2670 | 127 | 2822 | 2264 | 3140 | 23 | 25 | 32 | 32 | 16 | 33 | 27 | 47 | 2571 | 16192 |
| 2026 | 09 | 17 | 18 | 1683 | 680 | 2135 | 113 | 2485 | 3307 | 2970 | 35 | 25 | 21 | 25 | 21 | 28 | 35 | 50 | 2561 | 16174 |
| 2026 | 09 | 17 | 17 | 1684 | 680 | 1968 | 126 | 2955 | 3028 | 2924 | 22 | 27 | 27 | 27 | 28 | 29 | 41 | 49 | 2545 | 16160 |
| 2026 | 09 | 17 | 16 | 1681 | 680 | 2631 | 124 | 2738 | 2692 | 2811 | 23 | 22 | 26 | 20 | 19 | 34 | 36 | 58 | 2552 | 16147 |
| 2026 | 09 | 17 | 15 | 1679 | 680 | 2429 | 112 | 2125 | 2526 | 3801 | 20 | 25 | 23 | 29 | 20 | 25 | 32 | 61 | 2549 | 16136 |
| 2026 | 09 | 17 | 14 | 1682 | 680 | 2569 | 114 | 2508 | 2891 | 2897 | 19 | 13 | 26 | 27 | 31 | 24 | 45 | 47 | 2546 | 16119 |