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 | 28 | 04 | 1683 | 682 | 2380 | 108 | 3043 | 2251 | 3138 | 20 | 26 | 38 | 27 | 17 | 22 | 35 | 59 | 2386 | 15915 |
| 2026 | 09 | 28 | 03 | 1684 | 680 | 2409 | 115 | 2500 | 2809 | 3074 | 18 | 17 | 19 | 24 | 19 | 26 | 58 | 58 | 2376 | 15886 |
| 2026 | 09 | 28 | 02 | 1682 | 680 | 2548 | 121 | 2521 | 2593 | 3108 | 21 | 27 | 23 | 20 | 15 | 28 | 49 | 57 | 2357 | 15850 |
| 2026 | 09 | 28 | 01 | 1682 | 680 | 1679 | 129 | 2501 | 3491 | 3053 | 25 | 27 | 24 | 20 | 25 | 23 | 39 | 58 | 2308 | 15764 |
| 2026 | 09 | 28 | 00 | 1684 | 690 | 2743 | 103 | 2606 | 2610 | 3040 | 17 | 30 | 27 | 23 | 22 | 25 | 43 | 57 | 2571 | 16291 |
| 2026 | 09 | 27 | 23 | 1686 | 690 | 2296 | 107 | 2543 | 2768 | 3383 | 26 | 25 | 19 | 16 | 28 | 19 | 53 | 66 | 2560 | 16285 |
| 2026 | 09 | 27 | 22 | 1685 | 689 | 2585 | 103 | 1924 | 2430 | 4047 | 25 | 20 | 24 | 29 | 21 | 24 | 36 | 61 | 2568 | 16271 |
| 2026 | 09 | 27 | 21 | 1686 | 689 | 2307 | 139 | 2551 | 2939 | 3150 | 15 | 22 | 30 | 27 | 20 | 27 | 44 | 55 | 2562 | 16263 |
| 2026 | 09 | 27 | 20 | 1685 | 688 | 2960 | 122 | 1966 | 2988 | 3036 | 23 | 27 | 21 | 22 | 26 | 22 | 34 | 63 | 2554 | 16237 |
| 2026 | 09 | 27 | 19 | 1688 | 688 | 2642 | 124 | 2595 | 2375 | 3320 | 16 | 23 | 26 | 24 | 14 | 32 | 34 | 66 | 2554 | 16221 |
| 2026 | 09 | 27 | 18 | 1687 | 687 | 2615 | 126 | 2359 | 3088 | 2859 | 17 | 23 | 26 | 22 | 21 | 26 | 35 | 72 | 2544 | 16207 |
| 2026 | 09 | 27 | 17 | 1688 | 686 | 2703 | 118 | 2831 | 2238 | 3158 | 13 | 34 | 29 | 27 | 16 | 26 | 34 | 60 | 2533 | 16194 |
| 2026 | 09 | 27 | 16 | 1686 | 686 | 2416 | 131 | 2477 | 3166 | 2848 | 13 | 27 | 28 | 33 | 19 | 26 | 40 | 67 | 2513 | 16176 |
| 2026 | 09 | 27 | 15 | 1688 | 685 | 2746 | 140 | 2201 | 2751 | 3196 | 22 | 32 | 26 | 21 | 24 | 21 | 40 | 56 | 2514 | 16163 |
| 2026 | 09 | 27 | 14 | 1687 | 685 | 2322 | 123 | 2469 | 2757 | 3353 | 24 | 21 | 22 | 21 | 25 | 28 | 36 | 58 | 2514 | 16145 |
| 2026 | 09 | 27 | 13 | 1686 | 685 | 2695 | 104 | 2441 | 2620 | 3155 | 20 | 33 | 28 | 20 | 22 | 23 | 42 | 54 | 2496 | 16124 |
| 2026 | 09 | 27 | 12 | 1686 | 685 | 2384 | 121 | 2689 | 2990 | 2811 | 20 | 17 | 20 | 27 | 36 | 18 | 46 | 56 | 2493 | 16099 |
| 2026 | 09 | 27 | 11 | 1688 | 685 | 2209 | 115 | 2723 | 2491 | 3454 | 19 | 27 | 25 | 19 | 19 | 19 | 45 | 64 | 2476 | 16078 |
| 2026 | 09 | 27 | 10 | 1685 | 682 | 2295 | 112 | 2488 | 2766 | 3324 | 13 | 20 | 23 | 24 | 23 | 25 | 46 | 54 | 2475 | 16055 |
| 2026 | 09 | 27 | 09 | 1686 | 682 | 2584 | 119 | 2585 | 2211 | 3477 | 27 | 24 | 19 | 20 | 23 | 26 | 47 | 54 | 2445 | 16029 |
| 2026 | 09 | 27 | 08 | 1684 | 681 | 2726 | 118 | 2756 | 2082 | 3280 | 22 | 20 | 27 | 18 | 19 | 27 | 47 | 57 | 2442 | 16006 |
| 2026 | 09 | 27 | 07 | 1687 | 679 | 2556 | 121 | 2600 | 2264 | 3411 | 25 | 17 | 22 | 21 | 17 | 25 | 51 | 56 | 2417 | 15969 |
| 2026 | 09 | 27 | 06 | 1687 | 680 | 2437 | 124 | 2708 | 2106 | 3562 | 18 | 29 | 22 | 18 | 22 | 21 | 40 | 58 | 2407 | 15939 |
| 2026 | 09 | 27 | 05 | 1688 | 679 | 2592 | 116 | 1966 | 2694 | 3552 | 16 | 31 | 27 | 24 | 20 | 22 | 36 | 58 | 2379 | 15900 |
| 2026 | 09 | 27 | 04 | 1686 | 679 | 2473 | 109 | 2884 | 2761 | 2681 | 20 | 25 | 20 | 21 | 22 | 23 | 39 | 66 | 2356 | 15865 |
| 2026 | 09 | 27 | 03 | 1685 | 678 | 2224 | 113 | 2418 | 2588 | 3553 | 22 | 16 | 22 | 13 | 26 | 25 | 42 | 66 | 2349 | 15840 |
| 2026 | 09 | 27 | 02 | 1683 | 676 | 2107 | 124 | 2000 | 2839 | 3805 | 21 | 20 | 23 | 17 | 22 | 30 | 53 | 55 | 2328 | 15803 |
| 2026 | 09 | 27 | 01 | 1683 | 675 | 2423 | 129 | 2508 | 2911 | 2853 | 21 | 14 | 20 | 29 | 33 | 28 | 35 | 55 | 2307 | 15724 |
| 2026 | 09 | 27 | 00 | 1692 | 691 | 2443 | 130 | 2915 | 2833 | 2772 | 19 | 28 | 28 | 20 | 15 | 29 | 54 | 57 | 2551 | 16277 |
| 2026 | 09 | 26 | 23 | 1692 | 690 | 1947 | 139 | 3380 | 2732 | 2890 | 35 | 21 | 27 | 17 | 22 | 29 | 39 | 53 | 2554 | 16267 |
| 2026 | 09 | 26 | 22 | 1692 | 690 | 1790 | 122 | 2878 | 3093 | 3199 | 18 | 24 | 29 | 21 | 23 | 22 | 36 | 73 | 2547 | 16257 |
| 2026 | 09 | 26 | 21 | 1692 | 690 | 2985 | 117 | 2948 | 2133 | 2887 | 20 | 23 | 28 | 29 | 25 | 31 | 37 | 59 | 2539 | 16243 |
| 2026 | 09 | 26 | 20 | 1691 | 689 | 2570 | 114 | 2279 | 2733 | 3366 | 16 | 33 | 33 | 28 | 22 | 13 | 41 | 60 | 2544 | 16232 |
| 2026 | 09 | 26 | 19 | 1691 | 689 | 2710 | 126 | 3133 | 2477 | 2614 | 12 | 18 | 28 | 34 | 23 | 26 | 53 | 55 | 2536 | 16225 |
| 2026 | 09 | 26 | 18 | 1690 | 688 | 2053 | 114 | 2613 | 2663 | 3617 | 29 | 14 | 31 | 23 | 24 | 26 | 38 | 60 | 2535 | 16218 |
| 2026 | 09 | 26 | 17 | 1690 | 688 | 2366 | 118 | 2208 | 3358 | 2999 | 17 | 15 | 22 | 26 | 30 | 31 | 35 | 57 | 2543 | 16203 |
| 2026 | 09 | 26 | 16 | 1690 | 688 | 2268 | 128 | 2230 | 3139 | 3275 | 23 | 22 | 28 | 29 | 16 | 30 | 40 | 57 | 2522 | 16185 |
| 2026 | 09 | 26 | 15 | 1689 | 688 | 2104 | 94 | 2351 | 2759 | 3728 | 21 | 19 | 24 | 21 | 34 | 23 | 47 | 50 | 2521 | 16173 |
| 2026 | 09 | 26 | 14 | 1689 | 686 | 2629 | 114 | 2450 | 2875 | 2960 | 17 | 26 | 24 | 20 | 21 | 28 | 37 | 64 | 2512 | 16152 |
| 2026 | 09 | 26 | 13 | 1689 | 686 | 2253 | 116 | 2313 | 2889 | 3448 | 25 | 22 | 24 | 26 | 22 | 23 | 39 | 60 | 2499 | 16134 |
| 2026 | 09 | 26 | 12 | 1691 | 686 | 2668 | 114 | 2818 | 2111 | 3291 | 35 | 18 | 22 | 29 | 22 | 18 | 40 | 59 | 2494 | 16116 |
| 2026 | 09 | 26 | 11 | 1688 | 686 | 2395 | 153 | 2837 | 2729 | 2886 | 24 | 28 | 28 | 24 | 19 | 18 | 42 | 52 | 2492 | 16101 |
| 2026 | 09 | 26 | 10 | 1687 | 685 | 2830 | 114 | 2350 | 2695 | 3002 | 23 | 23 | 21 | 20 | 21 | 28 | 36 | 63 | 2487 | 16085 |
| 2026 | 09 | 26 | 09 | 1689 | 684 | 2381 | 115 | 2507 | 3225 | 2747 | 26 | 21 | 31 | 22 | 23 | 20 | 33 | 61 | 2479 | 16064 |
| 2026 | 09 | 26 | 08 | 1687 | 684 | 2513 | 109 | 2589 | 2416 | 3344 | 24 | 27 | 29 | 17 | 17 | 33 | 29 | 60 | 2457 | 16035 |
| 2026 | 09 | 26 | 07 | 1687 | 679 | 1658 | 100 | 3371 | 3054 | 2777 | 24 | 19 | 28 | 17 | 18 | 29 | 44 | 60 | 2439 | 16004 |
| 2026 | 09 | 26 | 06 | 1686 | 679 | 2746 | 111 | 2529 | 2489 | 3076 | 18 | 22 | 33 | 21 | 25 | 24 | 25 | 67 | 2421 | 15972 |
| 2026 | 09 | 26 | 05 | 1685 | 677 | 2417 | 119 | 2683 | 2894 | 2829 | 22 | 20 | 24 | 21 | 24 | 30 | 32 | 60 | 2408 | 15945 |