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 | 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 |
| 2026 | 09 | 17 | 13 | 1679 | 681 | 2626 | 120 | 2815 | 2376 | 3044 | 21 | 22 | 26 | 32 | 25 | 20 | 35 | 57 | 2528 | 16107 |
| 2026 | 09 | 17 | 12 | 1680 | 681 | 2817 | 129 | 2386 | 2859 | 2773 | 24 | 17 | 26 | 23 | 26 | 33 | 36 | 60 | 2518 | 16088 |
| 2026 | 09 | 17 | 11 | 1682 | 680 | 2694 | 113 | 2084 | 2909 | 3157 | 14 | 23 | 28 | 25 | 25 | 30 | 35 | 57 | 2522 | 16078 |
| 2026 | 09 | 17 | 10 | 1681 | 679 | 2027 | 117 | 2767 | 2984 | 3055 | 30 | 24 | 22 | 33 | 30 | 23 | 34 | 47 | 2508 | 16061 |
| 2026 | 09 | 17 | 09 | 1683 | 679 | 2598 | 117 | 2744 | 2306 | 3172 | 19 | 16 | 28 | 31 | 26 | 28 | 28 | 52 | 2507 | 16034 |
| 2026 | 09 | 17 | 08 | 1681 | 678 | 2211 | 116 | 2492 | 2953 | 3158 | 24 | 18 | 31 | 26 | 16 | 30 | 46 | 51 | 2477 | 16008 |
| 2026 | 09 | 17 | 07 | 1682 | 677 | 2260 | 110 | 2768 | 2505 | 3273 | 20 | 18 | 24 | 25 | 18 | 33 | 38 | 52 | 2482 | 15985 |
| 2026 | 09 | 17 | 06 | 1680 | 677 | 2916 | 117 | 2586 | 2632 | 2658 | 7 | 21 | 36 | 32 | 25 | 22 | 39 | 48 | 2462 | 15958 |
| 2026 | 09 | 17 | 05 | 1682 | 677 | 2989 | 122 | 2150 | 3196 | 2437 | 16 | 30 | 23 | 27 | 28 | 21 | 46 | 49 | 2437 | 15930 |
| 2026 | 09 | 17 | 04 | 1681 | 678 | 2559 | 137 | 2306 | 3000 | 2884 | 18 | 15 | 27 | 22 | 27 | 22 | 46 | 52 | 2425 | 15899 |
| 2026 | 09 | 17 | 03 | 1682 | 677 | 2865 | 113 | 3202 | 1602 | 3092 | 21 | 19 | 28 | 25 | 23 | 14 | 41 | 70 | 2398 | 15872 |
| 2026 | 09 | 17 | 02 | 1681 | 675 | 2026 | 92 | 2932 | 2721 | 3073 | 29 | 25 | 22 | 22 | 22 | 33 | 44 | 46 | 2390 | 15833 |
| 2026 | 09 | 17 | 01 | 1680 | 674 | 2476 | 123 | 2512 | 2859 | 2828 | 14 | 31 | 27 | 30 | 19 | 18 | 40 | 54 | 2354 | 15739 |
| 2026 | 09 | 17 | 00 | 1684 | 683 | 2327 | 118 | 2343 | 3073 | 3158 | 17 | 32 | 29 | 25 | 22 | 29 | 37 | 65 | 2624 | 16266 |
| 2026 | 09 | 16 | 23 | 1684 | 683 | 2828 | 116 | 2858 | 2394 | 2821 | 12 | 27 | 37 | 26 | 26 | 28 | 37 | 50 | 2625 | 16252 |
| 2026 | 09 | 16 | 22 | 1683 | 682 | 2811 | 120 | 2319 | 3101 | 2665 | 25 | 17 | 30 | 30 | 30 | 24 | 40 | 54 | 2613 | 16244 |
| 2026 | 09 | 16 | 21 | 1686 | 682 | 1887 | 108 | 3233 | 3086 | 2689 | 22 | 21 | 24 | 29 | 23 | 24 | 40 | 63 | 2615 | 16232 |
| 2026 | 09 | 16 | 20 | 1683 | 682 | 2853 | 108 | 2546 | 2406 | 3087 | 28 | 11 | 36 | 31 | 27 | 29 | 35 | 52 | 2608 | 16222 |
| 2026 | 09 | 16 | 19 | 1683 | 682 | 2771 | 116 | 2783 | 2517 | 2808 | 12 | 13 | 38 | 24 | 28 | 32 | 33 | 53 | 2618 | 16211 |
| 2026 | 09 | 16 | 18 | 1682 | 682 | 2354 | 103 | 2200 | 3067 | 3263 | 19 | 27 | 28 | 22 | 25 | 26 | 44 | 54 | 2600 | 16196 |
| 2026 | 09 | 16 | 17 | 1682 | 681 | 2348 | 130 | 2459 | 2762 | 3281 | 22 | 18 | 25 | 31 | 23 | 27 | 39 | 56 | 2603 | 16187 |
| 2026 | 09 | 16 | 16 | 1683 | 682 | 2377 | 115 | 2135 | 3019 | 3326 | 19 | 16 | 22 | 24 | 27 | 38 | 38 | 54 | 2595 | 16170 |
| 2026 | 09 | 16 | 15 | 1683 | 682 | 2042 | 124 | 2900 | 2539 | 3356 | 19 | 24 | 30 | 22 | 22 | 20 | 39 | 70 | 2584 | 16156 |
| 2026 | 09 | 16 | 14 | 1682 | 682 | 2401 | 115 | 2807 | 2079 | 3553 | 20 | 20 | 26 | 29 | 30 | 26 | 40 | 55 | 2572 | 16137 |
| 2026 | 09 | 16 | 13 | 1679 | 682 | 2273 | 129 | 2541 | 2628 | 3379 | 21 | 26 | 26 | 24 | 19 | 27 | 40 | 53 | 2572 | 16119 |
| 2026 | 09 | 16 | 12 | 1679 | 682 | 2554 | 117 | 2393 | 2997 | 2879 | 29 | 11 | 17 | 24 | 25 | 25 | 42 | 59 | 2565 | 16098 |
| 2026 | 09 | 16 | 11 | 1682 | 683 | 2281 | 127 | 2527 | 2543 | 3448 | 20 | 23 | 25 | 32 | 26 | 27 | 37 | 57 | 2533 | 16071 |
| 2026 | 09 | 16 | 10 | 1677 | 679 | 2637 | 117 | 2055 | 2939 | 3176 | 14 | 16 | 29 | 31 | 25 | 26 | 33 | 64 | 2524 | 16042 |
| 2026 | 09 | 16 | 09 | 1678 | 679 | 2606 | 116 | 3039 | 1985 | 3167 | 25 | 19 | 21 | 35 | 25 | 26 | 36 | 53 | 2504 | 16014 |
| 2026 | 09 | 16 | 08 | 1679 | 680 | 2243 | 121 | 2556 | 2783 | 3195 | 19 | 22 | 23 | 33 | 24 | 21 | 47 | 53 | 2490 | 15989 |
| 2026 | 09 | 16 | 07 | 1681 | 679 | 2174 | 110 | 3095 | 2167 | 3336 | 16 | 24 | 27 | 27 | 21 | 32 | 31 | 67 | 2473 | 15960 |
| 2026 | 09 | 16 | 06 | 1677 | 679 | 2686 | 117 | 2168 | 3098 | 2808 | 20 | 20 | 24 | 36 | 33 | 19 | 30 | 53 | 2464 | 15932 |
| 2026 | 09 | 16 | 05 | 1678 | 678 | 3009 | 91 | 2050 | 2613 | 3101 | 17 | 19 | 24 | 23 | 31 | 26 | 44 | 52 | 2446 | 15902 |
| 2026 | 09 | 16 | 04 | 1677 | 678 | 2799 | 95 | 2643 | 2603 | 2715 | 27 | 14 | 18 | 39 | 31 | 26 | 37 | 49 | 2420 | 15871 |
| 2026 | 09 | 16 | 03 | 1677 | 677 | 2353 | 114 | 3209 | 2458 | 2701 | 22 | 19 | 22 | 25 | 20 | 24 | 41 | 63 | 2402 | 15827 |
| 2026 | 09 | 16 | 02 | 1678 | 676 | 2130 | 107 | 3266 | 2610 | 2689 | 27 | 16 | 20 | 26 | 31 | 28 | 45 | 56 | 2375 | 15780 |
| 2026 | 09 | 16 | 01 | 1674 | 675 | 2277 | 107 | 2724 | 3283 | 2370 | 16 | 17 | 21 | 24 | 39 | 26 | 43 | 59 | 2315 | 15670 |
| 2026 | 09 | 16 | 00 | 1685 | 680 | 2423 | 127 | 2759 | 2797 | 2927 | 28 | 15 | 32 | 34 | 22 | 28 | 45 | 52 | 2581 | 16235 |
| 2026 | 09 | 15 | 23 | 1683 | 680 | 3028 | 130 | 2084 | 2849 | 2937 | 25 | 17 | 27 | 22 | 31 | 33 | 42 | 54 | 2586 | 16228 |
| 2026 | 09 | 15 | 22 | 1683 | 680 | 2381 | 130 | 2585 | 2293 | 3631 | 27 | 30 | 21 | 24 | 27 | 30 | 41 | 56 | 2580 | 16219 |
| 2026 | 09 | 15 | 21 | 1681 | 680 | 2564 | 119 | 2767 | 2743 | 2830 | 17 | 23 | 30 | 21 | 22 | 32 | 37 | 62 | 2582 | 16210 |
| 2026 | 09 | 15 | 20 | 1677 | 680 | 2545 | 112 | 2713 | 2817 | 2833 | 16 | 14 | 30 | 31 | 24 | 25 | 41 | 65 | 2582 | 16205 |
| 2026 | 09 | 15 | 19 | 1679 | 680 | 2891 | 113 | 2496 | 2616 | 2901 | 26 | 19 | 30 | 25 | 32 | 25 | 35 | 55 | 2572 | 16195 |