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 | 20 | 21 | 1687 | 676 | 2687 | 121 | 2573 | 2871 | 2817 | 27 | 18 | 26 | 35 | 23 | 38 | 39 | 42 | 2573 | 16253 |
| 2026 | 09 | 20 | 20 | 1690 | 677 | 2309 | 131 | 3150 | 2733 | 2736 | 15 | 24 | 20 | 35 | 27 | 26 | 39 | 57 | 2573 | 16242 |
| 2026 | 09 | 20 | 19 | 1687 | 677 | 3190 | 120 | 2890 | 1942 | 2909 | 20 | 27 | 24 | 23 | 25 | 28 | 40 | 52 | 2576 | 16230 |
| 2026 | 09 | 20 | 18 | 1687 | 677 | 2615 | 127 | 2680 | 2961 | 2657 | 20 | 25 | 29 | 34 | 23 | 21 | 33 | 51 | 2574 | 16214 |
| 2026 | 09 | 20 | 17 | 1687 | 676 | 2736 | 132 | 2403 | 2786 | 2972 | 21 | 27 | 22 | 25 | 25 | 26 | 39 | 46 | 2572 | 16195 |
| 2026 | 09 | 20 | 16 | 1684 | 675 | 2071 | 109 | 2435 | 3283 | 3127 | 27 | 19 | 22 | 23 | 23 | 25 | 43 | 61 | 2551 | 16178 |
| 2026 | 09 | 20 | 15 | 1688 | 675 | 2492 | 119 | 2743 | 2478 | 3181 | 21 | 22 | 29 | 23 | 28 | 25 | 41 | 53 | 2545 | 16163 |
| 2026 | 09 | 20 | 14 | 1687 | 674 | 1917 | 127 | 2695 | 2253 | 4000 | 24 | 23 | 20 | 22 | 30 | 21 | 54 | 49 | 2542 | 16138 |
| 2026 | 09 | 20 | 13 | 1684 | 674 | 2991 | 131 | 2455 | 2916 | 2494 | 14 | 33 | 20 | 28 | 21 | 30 | 32 | 55 | 2535 | 16113 |
| 2026 | 09 | 20 | 12 | 1686 | 675 | 2621 | 128 | 3018 | 2437 | 2772 | 23 | 16 | 32 | 22 | 23 | 25 | 38 | 47 | 2532 | 16095 |
| 2026 | 09 | 20 | 11 | 1686 | 675 | 2547 | 118 | 2584 | 2523 | 3189 | 26 | 19 | 28 | 25 | 30 | 23 | 34 | 61 | 2506 | 16074 |
| 2026 | 09 | 20 | 10 | 1687 | 675 | 2658 | 140 | 2598 | 2456 | 3107 | 14 | 25 | 21 | 31 | 23 | 25 | 33 | 60 | 2501 | 16054 |
| 2026 | 09 | 20 | 09 | 1685 | 673 | 2182 | 117 | 2736 | 2925 | 2991 | 24 | 29 | 21 | 26 | 22 | 29 | 39 | 47 | 2490 | 16036 |
| 2026 | 09 | 20 | 08 | 1687 | 673 | 2284 | 118 | 1943 | 2242 | 4352 | 22 | 17 | 25 | 28 | 26 | 27 | 48 | 45 | 2475 | 16012 |
| 2026 | 09 | 20 | 07 | 1686 | 672 | 2071 | 135 | 2401 | 3074 | 3253 | 16 | 28 | 23 | 27 | 16 | 22 | 47 | 51 | 2464 | 15986 |
| 2026 | 09 | 20 | 06 | 1685 | 672 | 2565 | 122 | 2750 | 2564 | 2922 | 18 | 25 | 26 | 26 | 17 | 26 | 40 | 57 | 2439 | 15954 |
| 2026 | 09 | 20 | 05 | 1685 | 673 | 2396 | 129 | 2467 | 2883 | 3035 | 21 | 28 | 26 | 24 | 21 | 28 | 43 | 51 | 2415 | 15925 |
| 2026 | 09 | 20 | 04 | 1683 | 673 | 2392 | 119 | 2394 | 2951 | 3048 | 23 | 26 | 24 | 24 | 29 | 23 | 36 | 50 | 2402 | 15897 |
| 2026 | 09 | 20 | 03 | 1685 | 673 | 2238 | 122 | 2522 | 2457 | 3548 | 21 | 29 | 20 | 21 | 21 | 27 | 38 | 58 | 2387 | 15867 |
| 2026 | 09 | 20 | 02 | 1683 | 673 | 2345 | 144 | 2683 | 2218 | 3475 | 14 | 30 | 18 | 31 | 22 | 30 | 38 | 47 | 2377 | 15828 |
| 2026 | 09 | 20 | 01 | 1683 | 671 | 2753 | 129 | 2610 | 2121 | 3200 | 23 | 19 | 22 | 29 | 18 | 22 | 51 | 52 | 2340 | 15743 |
| 2026 | 09 | 20 | 00 | 1690 | 677 | 2339 | 112 | 2781 | 2549 | 3274 | 24 | 27 | 25 | 26 | 18 | 23 | 32 | 58 | 2572 | 16227 |
| 2026 | 09 | 19 | 23 | 1689 | 676 | 2680 | 132 | 2952 | 2680 | 2606 | 20 | 29 | 21 | 22 | 28 | 38 | 38 | 45 | 2564 | 16220 |
| 2026 | 09 | 19 | 22 | 1690 | 675 | 2298 | 109 | 2232 | 2805 | 3603 | 20 | 23 | 26 | 20 | 29 | 31 | 33 | 52 | 2566 | 16212 |
| 2026 | 09 | 19 | 21 | 1688 | 676 | 2623 | 108 | 2692 | 2959 | 2662 | 22 | 20 | 19 | 23 | 29 | 20 | 40 | 53 | 2570 | 16204 |
| 2026 | 09 | 19 | 20 | 1689 | 677 | 3196 | 123 | 2609 | 2190 | 2922 | 23 | 19 | 25 | 34 | 26 | 27 | 39 | 47 | 2550 | 16196 |
| 2026 | 09 | 19 | 19 | 1687 | 677 | 2207 | 129 | 2738 | 2353 | 3608 | 20 | 19 | 24 | 26 | 24 | 28 | 38 | 62 | 2546 | 16186 |
| 2026 | 09 | 19 | 18 | 1688 | 677 | 2804 | 114 | 2395 | 2749 | 2963 | 19 | 22 | 23 | 29 | 19 | 22 | 40 | 51 | 2563 | 16178 |
| 2026 | 09 | 19 | 17 | 1689 | 676 | 2014 | 120 | 2833 | 3006 | 3053 | 26 | 18 | 26 | 30 | 17 | 31 | 38 | 52 | 2537 | 16166 |
| 2026 | 09 | 19 | 16 | 1687 | 676 | 2384 | 113 | 2925 | 2380 | 3220 | 21 | 27 | 27 | 26 | 26 | 25 | 28 | 54 | 2529 | 16148 |
| 2026 | 09 | 19 | 15 | 1689 | 676 | 2934 | 114 | 2356 | 2743 | 2859 | 10 | 22 | 30 | 33 | 20 | 27 | 43 | 54 | 2518 | 16128 |
| 2026 | 09 | 19 | 14 | 1688 | 674 | 3103 | 128 | 2180 | 2915 | 2674 | 17 | 23 | 29 | 25 | 32 | 24 | 33 | 51 | 2520 | 16116 |
| 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 |