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 | 14 | 18 | 1678 | 679 | 2285 | 129 | 2973 | 2665 | 2927 | 18 | 21 | 30 | 27 | 18 | 26 | 37 | 64 | 2545 | 16122 |
| 2026 | 09 | 14 | 17 | 1679 | 678 | 2531 | 126 | 2413 | 2686 | 3212 | 21 | 18 | 24 | 32 | 29 | 30 | 36 | 52 | 2538 | 16105 |
| 2026 | 09 | 14 | 16 | 1677 | 678 | 2218 | 116 | 2313 | 3465 | 2853 | 22 | 30 | 34 | 21 | 27 | 22 | 42 | 61 | 2512 | 16091 |
| 2026 | 09 | 14 | 15 | 1677 | 678 | 2637 | 117 | 2537 | 2701 | 2969 | 20 | 22 | 30 | 33 | 26 | 25 | 38 | 48 | 2521 | 16079 |
| 2026 | 09 | 14 | 14 | 1676 | 678 | 2475 | 138 | 2292 | 2549 | 3495 | 17 | 25 | 28 | 24 | 21 | 32 | 38 | 61 | 2517 | 16066 |
| 2026 | 09 | 14 | 13 | 1676 | 677 | 2134 | 144 | 2745 | 2763 | 3159 | 19 | 19 | 23 | 23 | 32 | 23 | 42 | 58 | 2510 | 16047 |
| 2026 | 09 | 14 | 12 | 1679 | 678 | 2535 | 119 | 2382 | 2639 | 3252 | 21 | 20 | 25 | 26 | 31 | 19 | 41 | 56 | 2505 | 16028 |
| 2026 | 09 | 14 | 11 | 1676 | 678 | 2581 | 128 | 2757 | 2443 | 3007 | 19 | 16 | 25 | 36 | 21 | 24 | 46 | 52 | 2495 | 16004 |
| 2026 | 09 | 14 | 10 | 1678 | 678 | 3329 | 125 | 2424 | 2123 | 2907 | 24 | 22 | 28 | 28 | 28 | 24 | 32 | 58 | 2474 | 15982 |
| 2026 | 09 | 14 | 09 | 1674 | 676 | 2461 | 131 | 2503 | 2601 | 3212 | 21 | 25 | 30 | 20 | 27 | 29 | 38 | 52 | 2469 | 15969 |
| 2026 | 09 | 14 | 08 | 1676 | 676 | 2799 | 124 | 2408 | 2838 | 2731 | 22 | 15 | 23 | 33 | 40 | 20 | 29 | 56 | 2453 | 15943 |
| 2026 | 09 | 14 | 07 | 1675 | 675 | 2342 | 121 | 2930 | 2827 | 2666 | 16 | 22 | 34 | 24 | 20 | 25 | 35 | 56 | 2453 | 15921 |
| 2026 | 09 | 14 | 06 | 1674 | 674 | 2534 | 106 | 2412 | 2565 | 3254 | 24 | 23 | 23 | 28 | 26 | 26 | 39 | 58 | 2430 | 15896 |
| 2026 | 09 | 14 | 05 | 1676 | 674 | 2834 | 120 | 2317 | 2978 | 2616 | 20 | 20 | 32 | 33 | 27 | 26 | 32 | 59 | 2409 | 15873 |
| 2026 | 09 | 14 | 04 | 1677 | 674 | 2333 | 100 | 2708 | 2591 | 3114 | 25 | 16 | 32 | 30 | 27 | 21 | 36 | 51 | 2402 | 15837 |
| 2026 | 09 | 14 | 03 | 1676 | 674 | 2872 | 117 | 2519 | 2342 | 2987 | 23 | 19 | 27 | 23 | 26 | 26 | 30 | 66 | 2378 | 15805 |
| 2026 | 09 | 14 | 02 | 1678 | 674 | 2641 | 120 | 2328 | 2579 | 3140 | 28 | 18 | 32 | 25 | 27 | 27 | 28 | 56 | 2358 | 15759 |
| 2026 | 09 | 14 | 01 | 1672 | 674 | 2830 | 116 | 2329 | 2212 | 3275 | 27 | 22 | 26 | 28 | 34 | 23 | 29 | 52 | 2325 | 15674 |
| 2026 | 09 | 14 | 00 | 1678 | 680 | 2692 | 125 | 2591 | 2838 | 2749 | 24 | 28 | 24 | 30 | 19 | 30 | 26 | 62 | 2575 | 16171 |
| 2026 | 09 | 13 | 23 | 1674 | 680 | 2768 | 136 | 2352 | 2625 | 3113 | 21 | 20 | 28 | 38 | 26 | 22 | 36 | 52 | 2570 | 16161 |
| 2026 | 09 | 13 | 22 | 1675 | 678 | 2435 | 133 | 2340 | 2721 | 3358 | 30 | 17 | 23 | 29 | 15 | 25 | 33 | 62 | 2580 | 16154 |
| 2026 | 09 | 13 | 21 | 1675 | 678 | 2505 | 135 | 2234 | 2619 | 3490 | 19 | 23 | 28 | 22 | 23 | 30 | 33 | 62 | 2566 | 16142 |
| 2026 | 09 | 13 | 20 | 1679 | 677 | 2344 | 137 | 2908 | 2928 | 2650 | 34 | 22 | 25 | 25 | 21 | 21 | 31 | 58 | 2570 | 16130 |
| 2026 | 09 | 13 | 19 | 1677 | 678 | 2981 | 113 | 2145 | 2881 | 2842 | 22 | 22 | 21 | 25 | 26 | 28 | 36 | 56 | 2567 | 16120 |
| 2026 | 09 | 13 | 18 | 1677 | 677 | 2417 | 121 | 2574 | 2286 | 3553 | 27 | 28 | 23 | 27 | 23 | 28 | 30 | 53 | 2560 | 16104 |
| 2026 | 09 | 13 | 17 | 1681 | 677 | 2338 | 98 | 2803 | 3158 | 2537 | 24 | 17 | 29 | 31 | 18 | 29 | 43 | 56 | 2549 | 16088 |
| 2026 | 09 | 13 | 16 | 1676 | 677 | 2276 | 127 | 2453 | 3154 | 2921 | 24 | 17 | 38 | 26 | 27 | 22 | 34 | 55 | 2550 | 16077 |
| 2026 | 09 | 13 | 15 | 1676 | 676 | 2525 | 123 | 2830 | 2645 | 2814 | 20 | 18 | 19 | 22 | 31 | 32 | 46 | 56 | 2530 | 16063 |
| 2026 | 09 | 13 | 14 | 1675 | 676 | 2572 | 135 | 2954 | 2194 | 3068 | 26 | 25 | 30 | 30 | 22 | 22 | 27 | 64 | 2530 | 16050 |
| 2026 | 09 | 13 | 13 | 1677 | 674 | 2316 | 122 | 2388 | 2398 | 3689 | 14 | 28 | 28 | 17 | 21 | 39 | 44 | 54 | 2525 | 16034 |
| 2026 | 09 | 13 | 12 | 1677 | 674 | 2183 | 114 | 2679 | 2189 | 3735 | 21 | 24 | 24 | 23 | 33 | 26 | 38 | 52 | 2514 | 16006 |
| 2026 | 09 | 13 | 11 | 1676 | 675 | 2317 | 109 | 2039 | 3051 | 3375 | 25 | 19 | 19 | 24 | 20 | 29 | 33 | 59 | 2514 | 15984 |
| 2026 | 09 | 13 | 10 | 1676 | 675 | 2198 | 132 | 2585 | 2622 | 3346 | 27 | 28 | 34 | 21 | 25 | 27 | 31 | 54 | 2480 | 15961 |
| 2026 | 09 | 13 | 09 | 1675 | 675 | 2058 | 127 | 2673 | 3072 | 2948 | 24 | 24 | 30 | 22 | 20 | 29 | 39 | 58 | 2473 | 15947 |
| 2026 | 09 | 13 | 08 | 1674 | 675 | 2185 | 131 | 2548 | 2726 | 3283 | 21 | 21 | 33 | 26 | 20 | 31 | 35 | 61 | 2459 | 15929 |
| 2026 | 09 | 13 | 07 | 1677 | 675 | 2581 | 124 | 1990 | 3191 | 2970 | 18 | 24 | 33 | 28 | 29 | 28 | 39 | 54 | 2445 | 15906 |
| 2026 | 09 | 13 | 06 | 1672 | 675 | 2378 | 113 | 2180 | 2726 | 3461 | 11 | 20 | 31 | 28 | 24 | 34 | 49 | 50 | 2438 | 15890 |
| 2026 | 09 | 13 | 05 | 1676 | 674 | 2286 | 113 | 2885 | 2311 | 3243 | 35 | 16 | 30 | 30 | 17 | 24 | 33 | 66 | 2428 | 15867 |
| 2026 | 09 | 13 | 04 | 1674 | 674 | 2592 | 115 | 3051 | 2656 | 2419 | 27 | 26 | 25 | 24 | 24 | 22 | 28 | 59 | 2406 | 15822 |
| 2026 | 09 | 13 | 03 | 1678 | 674 | 2316 | 130 | 2611 | 2500 | 3256 | 23 | 22 | 29 | 29 | 18 | 20 | 42 | 54 | 2391 | 15793 |
| 2026 | 09 | 13 | 02 | 1677 | 675 | 2887 | 120 | 2139 | 2408 | 3245 | 24 | 20 | 28 | 33 | 21 | 22 | 38 | 58 | 2358 | 15753 |
| 2026 | 09 | 13 | 01 | 1677 | 674 | 2552 | 132 | 2711 | 2383 | 2976 | 26 | 20 | 28 | 32 | 14 | 19 | 35 | 62 | 2334 | 15675 |
| 2026 | 09 | 13 | 00 | 1679 | 676 | 2883 | 130 | 1950 | 2744 | 3284 | 17 | 29 | 29 | 28 | 21 | 27 | 28 | 68 | 2563 | 16156 |
| 2026 | 09 | 12 | 23 | 1678 | 675 | 2152 | 132 | 2883 | 2609 | 3214 | 12 | 25 | 30 | 23 | 21 | 39 | 33 | 59 | 2563 | 16148 |
| 2026 | 09 | 12 | 22 | 1676 | 675 | 2791 | 115 | 2454 | 2669 | 2954 | 19 | 25 | 32 | 34 | 18 | 27 | 38 | 53 | 2555 | 16135 |
| 2026 | 09 | 12 | 21 | 1675 | 675 | 2612 | 119 | 2507 | 3010 | 2728 | 30 | 15 | 29 | 27 | 29 | 27 | 38 | 58 | 2544 | 16123 |
| 2026 | 09 | 12 | 20 | 1675 | 675 | 2154 | 121 | 2933 | 2734 | 3030 | 14 | 23 | 37 | 19 | 20 | 37 | 44 | 57 | 2539 | 16112 |
| 2026 | 09 | 12 | 19 | 1677 | 675 | 2800 | 120 | 2117 | 2876 | 3042 | 16 | 25 | 29 | 26 | 17 | 26 | 51 | 57 | 2542 | 16096 |