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 | 04 | 06 | 1679 | 668 | 1784 | 1973 | 1742 | 2893 | 2621 | 24 | 20 | 22 | 25 | 13 | 34 | 34 | 62 | 2434 | 16028 |
| 2026 | 09 | 04 | 05 | 1681 | 669 | 2363 | 1950 | 1917 | 2518 | 2251 | 25 | 19 | 26 | 25 | 24 | 22 | 39 | 56 | 2414 | 15999 |
| 2026 | 09 | 04 | 04 | 1678 | 668 | 2057 | 1841 | 2404 | 2101 | 2584 | 29 | 22 | 20 | 21 | 25 | 25 | 36 | 57 | 2401 | 15969 |
| 2026 | 09 | 04 | 03 | 1675 | 666 | 2144 | 1664 | 2035 | 2240 | 2895 | 25 | 24 | 24 | 20 | 24 | 15 | 35 | 70 | 2375 | 15931 |
| 2026 | 09 | 04 | 02 | 1673 | 667 | 2216 | 1926 | 2203 | 1733 | 2888 | 21 | 19 | 24 | 30 | 22 | 32 | 30 | 58 | 2350 | 15892 |
| 2026 | 09 | 04 | 01 | 1671 | 667 | 1989 | 1544 | 2175 | 2293 | 2930 | 22 | 27 | 31 | 22 | 23 | 25 | 33 | 49 | 2329 | 15830 |
| 2026 | 09 | 04 | 00 | 1680 | 673 | 2312 | 1800 | 2482 | 1968 | 2574 | 29 | 29 | 22 | 14 | 34 | 27 | 40 | 58 | 2569 | 16311 |
| 2026 | 09 | 03 | 23 | 1683 | 672 | 1853 | 1859 | 2300 | 2491 | 2622 | 23 | 26 | 28 | 22 | 34 | 24 | 28 | 60 | 2574 | 16299 |
| 2026 | 09 | 03 | 22 | 1683 | 673 | 1688 | 1978 | 2045 | 2287 | 3118 | 26 | 19 | 22 | 30 | 23 | 34 | 42 | 57 | 2562 | 16287 |
| 2026 | 09 | 03 | 21 | 1679 | 673 | 2510 | 1938 | 1945 | 2481 | 2240 | 26 | 32 | 20 | 26 | 23 | 24 | 30 | 71 | 2557 | 16275 |
| 2026 | 09 | 03 | 20 | 1682 | 673 | 2216 | 1574 | 2138 | 2414 | 2760 | 21 | 31 | 29 | 20 | 22 | 24 | 42 | 56 | 2562 | 16264 |
| 2026 | 09 | 03 | 19 | 1678 | 674 | 2115 | 1678 | 2239 | 2277 | 2789 | 27 | 21 | 18 | 33 | 23 | 32 | 36 | 56 | 2559 | 16255 |
| 2026 | 09 | 03 | 18 | 1677 | 674 | 2574 | 1643 | 2035 | 2207 | 2643 | 32 | 21 | 28 | 25 | 26 | 19 | 42 | 60 | 2542 | 16248 |
| 2026 | 09 | 03 | 17 | 1680 | 672 | 2535 | 1634 | 2416 | 1753 | 2753 | 23 | 25 | 28 | 24 | 26 | 30 | 30 | 61 | 2544 | 16234 |
| 2026 | 09 | 03 | 16 | 1682 | 670 | 2465 | 1665 | 1943 | 2366 | 2644 | 25 | 30 | 25 | 27 | 25 | 22 | 31 | 58 | 2542 | 16220 |
| 2026 | 09 | 03 | 15 | 1680 | 671 | 1912 | 1891 | 1823 | 2265 | 3186 | 27 | 19 | 23 | 23 | 29 | 27 | 34 | 62 | 2532 | 16204 |
| 2026 | 09 | 03 | 14 | 1678 | 670 | 2000 | 2024 | 2231 | 2087 | 2723 | 25 | 27 | 28 | 24 | 23 | 22 | 34 | 57 | 2530 | 16183 |
| 2026 | 09 | 03 | 13 | 1677 | 671 | 1524 | 1683 | 2345 | 2481 | 3018 | 25 | 22 | 33 | 34 | 20 | 20 | 40 | 48 | 2520 | 16161 |
| 2026 | 09 | 03 | 12 | 1676 | 671 | 2053 | 1572 | 2424 | 2534 | 2458 | 14 | 24 | 29 | 20 | 32 | 21 | 48 | 53 | 2515 | 16144 |
| 2026 | 09 | 03 | 11 | 1676 | 671 | 2236 | 1770 | 2654 | 1992 | 2389 | 20 | 24 | 21 | 24 | 25 | 31 | 40 | 59 | 2499 | 16131 |
| 2026 | 09 | 03 | 10 | 1680 | 670 | 1689 | 1841 | 2754 | 2729 | 2021 | 20 | 14 | 36 | 20 | 30 | 29 | 37 | 54 | 2492 | 16116 |
| 2026 | 09 | 03 | 09 | 1679 | 668 | 2164 | 2088 | 1954 | 2517 | 2305 | 16 | 22 | 31 | 22 | 25 | 27 | 34 | 49 | 2483 | 16084 |
| 2026 | 09 | 03 | 08 | 1681 | 668 | 1986 | 1730 | 2021 | 2725 | 2561 | 15 | 21 | 29 | 34 | 31 | 27 | 31 | 47 | 2456 | 16063 |
| 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 |