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 | 09 | 21 | 1687 | 678 | 2416 | 119 | 2821 | 2883 | 2838 | 21 | 16 | 28 | 20 | 27 | 24 | 38 | 57 | 2569 | 16242 |
| 2026 | 09 | 09 | 20 | 1687 | 677 | 2044 | 136 | 2589 | 3204 | 3097 | 22 | 21 | 33 | 32 | 29 | 21 | 34 | 56 | 2550 | 16232 |
| 2026 | 09 | 09 | 19 | 1686 | 677 | 2799 | 131 | 2410 | 2744 | 2979 | 17 | 28 | 28 | 22 | 32 | 34 | 35 | 56 | 2546 | 16224 |
| 2026 | 09 | 09 | 18 | 1683 | 676 | 2404 | 111 | 3014 | 2896 | 2635 | 21 | 18 | 29 | 23 | 27 | 25 | 43 | 59 | 2547 | 16211 |
| 2026 | 09 | 09 | 17 | 1685 | 676 | 2760 | 116 | 2835 | 2534 | 2807 | 26 | 23 | 25 | 22 | 28 | 26 | 48 | 48 | 2542 | 16201 |
| 2026 | 09 | 09 | 16 | 1682 | 676 | 2921 | 108 | 2563 | 2469 | 2983 | 23 | 29 | 32 | 28 | 22 | 22 | 22 | 64 | 2542 | 16186 |
| 2026 | 09 | 09 | 15 | 1683 | 676 | 2614 | 120 | 2415 | 2502 | 3388 | 23 | 16 | 24 | 31 | 22 | 33 | 43 | 50 | 2532 | 16172 |
| 2026 | 09 | 09 | 14 | 1684 | 676 | 2173 | 109 | 3345 | 2638 | 2759 | 23 | 26 | 27 | 20 | 32 | 31 | 37 | 53 | 2525 | 16158 |
| 2026 | 09 | 09 | 13 | 1683 | 676 | 2659 | 115 | 2190 | 3324 | 2729 | 22 | 23 | 25 | 22 | 22 | 25 | 30 | 71 | 2520 | 16136 |
| 2026 | 09 | 09 | 12 | 1683 | 676 | 2449 | 121 | 2259 | 3249 | 2925 | 25 | 14 | 21 | 25 | 27 | 29 | 36 | 51 | 2529 | 16119 |
| 2026 | 09 | 09 | 11 | 1684 | 674 | 3083 | 124 | 2191 | 2955 | 2642 | 25 | 17 | 25 | 34 | 27 | 25 | 38 | 58 | 2500 | 16102 |
| 2026 | 09 | 09 | 10 | 1682 | 674 | 2517 | 144 | 2911 | 2368 | 3045 | 26 | 22 | 34 | 25 | 21 | 34 | 33 | 48 | 2498 | 16082 |
| 2026 | 09 | 09 | 09 | 1682 | 675 | 2468 | 121 | 2941 | 2234 | 3219 | 21 | 22 | 22 | 20 | 31 | 29 | 41 | 55 | 2487 | 16068 |
| 2026 | 09 | 09 | 08 | 1683 | 675 | 2823 | 126 | 2522 | 2517 | 2985 | 17 | 23 | 24 | 29 | 23 | 31 | 38 | 56 | 2474 | 16046 |
| 2026 | 09 | 09 | 07 | 1680 | 675 | 2678 | 122 | 2265 | 2557 | 3339 | 27 | 23 | 30 | 25 | 26 | 17 | 36 | 59 | 2460 | 16019 |
| 2026 | 09 | 09 | 06 | 1681 | 675 | 2575 | 116 | 2403 | 2485 | 3370 | 12 | 19 | 25 | 27 | 30 | 27 | 45 | 49 | 2448 | 15987 |
| 2026 | 09 | 09 | 05 | 1681 | 675 | 2687 | 117 | 2689 | 2256 | 3185 | 24 | 19 | 23 | 31 | 24 | 29 | 38 | 60 | 2409 | 15947 |
| 2026 | 09 | 09 | 04 | 1680 | 675 | 2375 | 114 | 2157 | 3035 | 3233 | 28 | 22 | 27 | 30 | 16 | 28 | 35 | 57 | 2401 | 15913 |
| 2026 | 09 | 09 | 03 | 1679 | 674 | 1794 | 113 | 3029 | 2741 | 3230 | 19 | 23 | 29 | 32 | 23 | 25 | 41 | 50 | 2381 | 15883 |
| 2026 | 09 | 09 | 02 | 1677 | 672 | 2877 | 115 | 3019 | 2466 | 2407 | 18 | 30 | 31 | 21 | 17 | 29 | 38 | 57 | 2365 | 15839 |
| 2026 | 09 | 09 | 01 | 1679 | 672 | 3183 | 130 | 2508 | 2245 | 2757 | 24 | 23 | 23 | 23 | 32 | 26 | 39 | 58 | 2333 | 15755 |
| 2026 | 09 | 09 | 00 | 1681 | 679 | 2288 | 173 | 2636 | 2782 | 3258 | 30 | 27 | 34 | 25 | 19 | 28 | 52 | 57 | 4857 | 18626 |
| 2026 | 09 | 08 | 23 | 1681 | 679 | 2220 | 142 | 2433 | 3304 | 3033 | 32 | 28 | 20 | 30 | 24 | 28 | 49 | 49 | 4865 | 18617 |
| 2026 | 09 | 08 | 22 | 1683 | 679 | 2672 | 167 | 2169 | 2634 | 3476 | 21 | 38 | 28 | 26 | 31 | 24 | 46 | 66 | 4847 | 18607 |
| 2026 | 09 | 08 | 21 | 1681 | 679 | 2613 | 164 | 2335 | 3072 | 2937 | 28 | 23 | 32 | 31 | 24 | 35 | 42 | 58 | 4843 | 18597 |
| 2026 | 09 | 08 | 20 | 1683 | 679 | 2546 | 165 | 2621 | 3039 | 2737 | 28 | 21 | 26 | 22 | 30 | 34 | 50 | 58 | 4848 | 18587 |
| 2026 | 09 | 08 | 19 | 1679 | 678 | 2099 | 156 | 2999 | 3244 | 2606 | 36 | 25 | 24 | 31 | 26 | 31 | 36 | 53 | 4854 | 18577 |
| 2026 | 09 | 08 | 18 | 1684 | 678 | 2876 | 167 | 2705 | 2803 | 2541 | 33 | 26 | 34 | 36 | 20 | 25 | 49 | 46 | 4843 | 18566 |
| 2026 | 09 | 08 | 17 | 1684 | 678 | 2645 | 176 | 2700 | 2100 | 3465 | 30 | 22 | 32 | 27 | 29 | 31 | 42 | 61 | 4825 | 18547 |
| 2026 | 09 | 08 | 16 | 1681 | 678 | 2749 | 66 | 2046 | 3272 | 2850 | 29 | 20 | 32 | 34 | 27 | 26 | 49 | 58 | 4919 | 18536 |
| 2026 | 09 | 08 | 15 | 1674 | 678 | 2665 | 73 | 2764 | 2371 | 3221 | 15 | 27 | 22 | 22 | 29 | 38 | 31 | 53 | 2545 | 16228 |
| 2026 | 09 | 08 | 14 | 1680 | 678 | 1857 | 1879 | 1707 | 3139 | 2505 | 23 | 21 | 24 | 27 | 21 | 32 | 41 | 54 | 2523 | 16211 |
| 2026 | 09 | 08 | 13 | 1681 | 677 | 2066 | 1732 | 2243 | 2439 | 2596 | 23 | 24 | 24 | 22 | 28 | 23 | 42 | 52 | 2522 | 16194 |
| 2026 | 09 | 08 | 12 | 1681 | 677 | 2544 | 1932 | 1726 | 2020 | 2850 | 31 | 26 | 26 | 28 | 15 | 25 | 28 | 57 | 2506 | 16172 |
| 2026 | 09 | 08 | 11 | 1679 | 675 | 2662 | 1429 | 2440 | 2227 | 2307 | 27 | 21 | 27 | 27 | 27 | 26 | 40 | 48 | 2495 | 16157 |
| 2026 | 09 | 08 | 10 | 1679 | 675 | 2443 | 1903 | 2282 | 1998 | 2434 | 38 | 21 | 19 | 26 | 22 | 32 | 35 | 47 | 2485 | 16139 |
| 2026 | 09 | 08 | 09 | 1680 | 676 | 1729 | 1964 | 2400 | 2704 | 2250 | 25 | 28 | 28 | 24 | 25 | 29 | 35 | 55 | 2467 | 16119 |
| 2026 | 09 | 08 | 08 | 1676 | 676 | 1773 | 1989 | 2144 | 2333 | 2802 | 20 | 29 | 24 | 24 | 17 | 24 | 37 | 59 | 2472 | 16099 |
| 2026 | 09 | 08 | 07 | 1676 | 676 | 2107 | 1747 | 2221 | 2452 | 2508 | 17 | 22 | 26 | 24 | 20 | 27 | 40 | 57 | 2460 | 16080 |
| 2026 | 09 | 08 | 06 | 1679 | 676 | 1518 | 1770 | 2492 | 3042 | 2203 | 19 | 25 | 25 | 24 | 30 | 23 | 39 | 48 | 2445 | 16058 |
| 2026 | 09 | 08 | 05 | 1680 | 676 | 2174 | 2039 | 2001 | 2511 | 2287 | 23 | 22 | 19 | 27 | 29 | 18 | 37 | 66 | 2415 | 16024 |
| 2026 | 09 | 08 | 04 | 1678 | 676 | 2552 | 1618 | 1917 | 2151 | 2770 | 22 | 21 | 26 | 27 | 31 | 28 | 37 | 51 | 2395 | 16000 |
| 2026 | 09 | 08 | 03 | 1677 | 675 | 1520 | 1737 | 2371 | 2882 | 2487 | 22 | 20 | 23 | 22 | 28 | 36 | 38 | 59 | 2368 | 15965 |
| 2026 | 09 | 08 | 02 | 1678 | 676 | 2249 | 1826 | 2151 | 2112 | 2638 | 18 | 19 | 25 | 23 | 36 | 30 | 41 | 52 | 2353 | 15927 |
| 2026 | 09 | 08 | 01 | 1673 | 676 | 2062 | 1574 | 2430 | 2033 | 2853 | 24 | 26 | 23 | 32 | 25 | 22 | 40 | 47 | 2325 | 15865 |
| 2026 | 09 | 08 | 00 | 1675 | 677 | 2284 | 1898 | 1576 | 2593 | 2789 | 26 | 27 | 26 | 27 | 16 | 25 | 39 | 55 | 2588 | 16321 |
| 2026 | 09 | 07 | 23 | 1676 | 677 | 2217 | 1731 | 2076 | 2503 | 2612 | 16 | 21 | 20 | 32 | 20 | 31 | 48 | 64 | 2573 | 16317 |
| 2026 | 09 | 07 | 22 | 1680 | 676 | 1834 | 2283 | 2089 | 2321 | 2595 | 21 | 21 | 22 | 32 | 26 | 35 | 46 | 49 | 2571 | 16301 |