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 | 03 | 07 | 1675 | 668 | 2176 | 1429 | 2186 | 2290 | 2939 | 29 | 27 | 31 | 24 | 24 | 21 | 30 | 56 | 2435 | 16040 |
| 2026 | 09 | 03 | 06 | 1678 | 669 | 2118 | 1732 | 2519 | 1691 | 2942 | 12 | 28 | 29 | 23 | 29 | 22 | 46 | 57 | 2425 | 16020 |
| 2026 | 09 | 03 | 05 | 1674 | 669 | 2000 | 1663 | 2350 | 2395 | 2587 | 21 | 29 | 18 | 24 | 31 | 30 | 41 | 51 | 2404 | 15987 |
| 2026 | 09 | 03 | 04 | 1675 | 668 | 1732 | 1789 | 2555 | 2503 | 2400 | 22 | 18 | 26 | 29 | 14 | 25 | 43 | 51 | 2399 | 15949 |
| 2026 | 09 | 03 | 03 | 1673 | 667 | 2287 | 1454 | 2661 | 2184 | 2385 | 21 | 15 | 27 | 30 | 22 | 24 | 33 | 60 | 2373 | 15916 |
| 2026 | 09 | 03 | 02 | 1672 | 665 | 2202 | 1789 | 2153 | 2504 | 2305 | 19 | 27 | 24 | 23 | 27 | 26 | 37 | 58 | 2348 | 15879 |
| 2026 | 09 | 03 | 01 | 1670 | 664 | 1638 | 2036 | 2263 | 2543 | 2434 | 32 | 15 | 17 | 32 | 25 | 20 | 37 | 58 | 2323 | 15807 |
| 2026 | 09 | 03 | 00 | 1683 | 669 | 2106 | 1798 | 1884 | 2468 | 2870 | 24 | 32 | 22 | 22 | 25 | 24 | 42 | 47 | 2565 | 16281 |
| 2026 | 09 | 02 | 23 | 1682 | 669 | 1942 | 1488 | 2956 | 2276 | 2458 | 16 | 20 | 29 | 34 | 26 | 32 | 25 | 56 | 2562 | 16271 |
| 2026 | 09 | 02 | 22 | 1683 | 669 | 1955 | 1919 | 1782 | 2607 | 2852 | 20 | 27 | 31 | 14 | 33 | 29 | 32 | 64 | 2543 | 16260 |
| 2026 | 09 | 02 | 21 | 1681 | 669 | 1960 | 1979 | 2010 | 2581 | 2576 | 20 | 31 | 32 | 24 | 22 | 24 | 41 | 52 | 2547 | 16249 |
| 2026 | 09 | 02 | 20 | 1684 | 669 | 2108 | 1768 | 2332 | 2674 | 2222 | 19 | 26 | 28 | 18 | 22 | 29 | 43 | 53 | 2545 | 16240 |
| 2026 | 09 | 02 | 19 | 1683 | 669 | 2266 | 1679 | 2209 | 2028 | 2920 | 18 | 21 | 26 | 26 | 14 | 38 | 44 | 48 | 2544 | 16233 |
| 2026 | 09 | 02 | 18 | 1680 | 669 | 2153 | 1721 | 1836 | 2510 | 2885 | 19 | 22 | 34 | 25 | 23 | 20 | 41 | 63 | 2523 | 16224 |
| 2026 | 09 | 02 | 17 | 1682 | 668 | 1873 | 1959 | 2659 | 2139 | 2463 | 11 | 33 | 29 | 23 | 18 | 21 | 28 | 69 | 2533 | 16208 |
| 2026 | 09 | 02 | 16 | 1680 | 669 | 2106 | 1835 | 2062 | 2341 | 2735 | 15 | 24 | 33 | 26 | 21 | 22 | 43 | 55 | 2522 | 16189 |
| 2026 | 09 | 02 | 15 | 1678 | 669 | 2132 | 1711 | 2570 | 1843 | 2820 | 26 | 28 | 33 | 22 | 25 | 29 | 37 | 46 | 2510 | 16179 |
| 2026 | 09 | 02 | 14 | 1679 | 669 | 2092 | 2029 | 2420 | 2501 | 2028 | 19 | 24 | 25 | 19 | 20 | 34 | 45 | 53 | 2512 | 16169 |
| 2026 | 09 | 02 | 13 | 1681 | 668 | 1622 | 2071 | 1909 | 2681 | 2779 | 16 | 28 | 29 | 21 | 23 | 25 | 42 | 57 | 2506 | 16158 |
| 2026 | 09 | 02 | 12 | 1683 | 668 | 1906 | 1987 | 2323 | 1799 | 3039 | 26 | 20 | 19 | 26 | 19 | 22 | 36 | 56 | 2519 | 16148 |
| 2026 | 09 | 02 | 11 | 1682 | 667 | 2073 | 1620 | 2675 | 1829 | 2853 | 21 | 22 | 28 | 27 | 27 | 24 | 29 | 57 | 2498 | 16132 |
| 2026 | 09 | 02 | 10 | 1684 | 668 | 1795 | 1717 | 2772 | 2482 | 2277 | 18 | 26 | 28 | 28 | 24 | 24 | 44 | 54 | 2479 | 16120 |
| 2026 | 09 | 02 | 09 | 1681 | 668 | 1860 | 1651 | 2580 | 2199 | 2746 | 23 | 27 | 17 | 26 | 32 | 30 | 41 | 53 | 2468 | 16102 |
| 2026 | 09 | 02 | 08 | 1682 | 668 | 34 | 2783 | 2851 | 2468 | 2888 | 21 | 28 | 29 | 25 | 19 | 32 | 29 | 54 | 2468 | 16079 |
| 2026 | 09 | 02 | 07 | 1684 | 668 | 56 | 2448 | 2827 | 3284 | 2401 | 20 | 20 | 25 | 24 | 33 | 27 | 42 | 49 | 2452 | 16060 |
| 2026 | 09 | 02 | 06 | 1684 | 668 | 1572 | 1969 | 2041 | 2870 | 2556 | 18 | 23 | 36 | 20 | 20 | 23 | 41 | 56 | 2434 | 16031 |
| 2026 | 09 | 02 | 05 | 1682 | 668 | 2184 | 1533 | 2254 | 2654 | 2372 | 18 | 20 | 35 | 26 | 24 | 27 | 46 | 44 | 2417 | 16004 |
| 2026 | 09 | 02 | 04 | 1682 | 667 | 2404 | 2031 | 1598 | 2399 | 2553 | 21 | 21 | 29 | 28 | 19 | 24 | 42 | 50 | 2395 | 15963 |
| 2026 | 09 | 02 | 03 | 1682 | 668 | 2303 | 1893 | 2130 | 2031 | 2622 | 28 | 24 | 32 | 24 | 24 | 20 | 35 | 50 | 2363 | 15929 |
| 2026 | 09 | 02 | 02 | 1681 | 668 | 2045 | 2182 | 1973 | 1849 | 2915 | 24 | 32 | 31 | 22 | 19 | 21 | 35 | 56 | 2344 | 15897 |
| 2026 | 09 | 02 | 01 | 1677 | 668 | 2177 | 1827 | 2096 | 2484 | 2354 | 29 | 26 | 24 | 17 | 29 | 21 | 39 | 51 | 2306 | 15825 |
| 2026 | 09 | 02 | 00 | 1685 | 671 | 1926 | 1870 | 2283 | 2107 | 2943 | 15 | 28 | 27 | 33 | 17 | 37 | 29 | 65 | 2549 | 16285 |
| 2026 | 09 | 01 | 23 | 1684 | 671 | 2058 | 1841 | 2519 | 2594 | 2115 | 23 | 21 | 27 | 25 | 20 | 25 | 44 | 59 | 2552 | 16278 |
| 2026 | 09 | 01 | 22 | 1683 | 671 | 2183 | 1704 | 2528 | 2238 | 2469 | 20 | 22 | 31 | 23 | 22 | 31 | 34 | 66 | 2543 | 16268 |
| 2026 | 09 | 01 | 21 | 1683 | 671 | 1922 | 1761 | 2797 | 1717 | 2916 | 18 | 26 | 26 | 27 | 26 | 32 | 37 | 56 | 2546 | 16261 |
| 2026 | 09 | 01 | 20 | 1683 | 671 | 2021 | 2103 | 1882 | 2448 | 2652 | 20 | 16 | 31 | 33 | 20 | 34 | 45 | 51 | 2542 | 16252 |
| 2026 | 09 | 01 | 19 | 1682 | 671 | 1761 | 1743 | 2358 | 2347 | 2897 | 22 | 31 | 30 | 23 | 21 | 25 | 33 | 60 | 2537 | 16241 |
| 2026 | 09 | 01 | 18 | 1684 | 671 | 1814 | 1799 | 2405 | 1996 | 3085 | 15 | 22 | 27 | 26 | 22 | 30 | 46 | 56 | 2535 | 16233 |
| 2026 | 09 | 01 | 17 | 1684 | 670 | 2107 | 1763 | 2532 | 1681 | 3010 | 24 | 18 | 32 | 28 | 25 | 23 | 38 | 53 | 2535 | 16223 |
| 2026 | 09 | 01 | 16 | 1681 | 670 | 2357 | 1507 | 1985 | 2632 | 2610 | 19 | 25 | 32 | 33 | 19 | 26 | 42 | 53 | 2516 | 16207 |
| 2026 | 09 | 01 | 15 | 1681 | 670 | 2352 | 1776 | 1709 | 2360 | 2886 | 18 | 26 | 37 | 32 | 34 | 15 | 40 | 53 | 2511 | 16200 |
| 2026 | 09 | 01 | 14 | 1681 | 670 | 1940 | 2135 | 1783 | 2391 | 2827 | 22 | 20 | 28 | 25 | 26 | 23 | 43 | 54 | 2517 | 16185 |
| 2026 | 09 | 01 | 13 | 1680 | 670 | 2395 | 1673 | 1806 | 2321 | 2878 | 34 | 24 | 27 | 25 | 22 | 31 | 33 | 55 | 2498 | 16172 |
| 2026 | 09 | 01 | 12 | 1681 | 671 | 2353 | 1964 | 1775 | 2200 | 2771 | 15 | 22 | 26 | 32 | 23 | 29 | 45 | 49 | 2499 | 16155 |
| 2026 | 09 | 01 | 11 | 1683 | 671 | 2427 | 2020 | 1804 | 2315 | 2487 | 22 | 27 | 31 | 21 | 25 | 30 | 30 | 65 | 2483 | 16141 |
| 2026 | 09 | 01 | 10 | 1684 | 671 | 1918 | 1785 | 2403 | 2485 | 2457 | 27 | 18 | 26 | 27 | 32 | 31 | 35 | 53 | 2477 | 16129 |
| 2026 | 09 | 01 | 09 | 1685 | 670 | 2042 | 1601 | 1800 | 2499 | 3097 | 15 | 23 | 22 | 20 | 20 | 26 | 45 | 65 | 2484 | 16114 |
| 2026 | 09 | 01 | 08 | 1679 | 670 | 2197 | 1708 | 2183 | 2169 | 2776 | 16 | 20 | 34 | 27 | 25 | 27 | 32 | 63 | 2464 | 16090 |