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 | 04 | 12 | 07 | 1618 | 649 | 2196 | 1666 | 2307 | 2912 | 1984 | 20 | 24 | 25 | 46 | 27 | 31 | 33 | 44 | 2305 | 15887 |
| 2026 | 04 | 12 | 06 | 1618 | 647 | 2629 | 1586 | 2347 | 1487 | 3008 | 30 | 28 | 30 | 23 | 36 | 39 | 33 | 34 | 2290 | 15865 |
| 2026 | 04 | 12 | 05 | 1618 | 646 | 1828 | 1789 | 2269 | 2305 | 2857 | 31 | 31 | 25 | 39 | 27 | 30 | 28 | 42 | 2276 | 15841 |
| 2026 | 04 | 12 | 04 | 1616 | 647 | 2000 | 1748 | 2045 | 2323 | 2926 | 31 | 19 | 29 | 32 | 24 | 43 | 29 | 37 | 2270 | 15819 |
| 2026 | 04 | 12 | 03 | 1619 | 645 | 1914 | 1762 | 2672 | 2149 | 2530 | 14 | 31 | 34 | 30 | 29 | 25 | 35 | 48 | 2259 | 15796 |
| 2026 | 04 | 12 | 02 | 1614 | 647 | 1998 | 1722 | 2478 | 2022 | 2787 | 22 | 33 | 34 | 26 | 27 | 33 | 30 | 45 | 2245 | 15763 |
| 2026 | 04 | 12 | 01 | 1616 | 647 | 2215 | 1712 | 1999 | 2059 | 2989 | 25 | 24 | 26 | 33 | 32 | 26 | 41 | 40 | 2209 | 15693 |
| 2026 | 04 | 12 | 00 | 1623 | 652 | 2265 | 1621 | 2305 | 2188 | 2788 | 26 | 28 | 42 | 18 | 29 | 32 | 34 | 35 | 2437 | 16123 |
| 2026 | 04 | 11 | 23 | 1624 | 652 | 1995 | 1735 | 2691 | 2182 | 2568 | 21 | 31 | 32 | 29 | 37 | 32 | 32 | 39 | 2417 | 16117 |
| 2026 | 04 | 11 | 22 | 1621 | 652 | 1615 | 1940 | 2199 | 2951 | 2462 | 15 | 31 | 30 | 32 | 29 | 39 | 29 | 49 | 2416 | 16110 |
| 2026 | 04 | 11 | 21 | 1620 | 652 | 1614 | 1861 | 1963 | 2615 | 3107 | 19 | 38 | 38 | 34 | 24 | 28 | 30 | 41 | 2419 | 16103 |
| 2026 | 04 | 11 | 20 | 1622 | 652 | 2331 | 1682 | 2602 | 2243 | 2292 | 24 | 35 | 28 | 37 | 32 | 35 | 28 | 37 | 2414 | 16094 |
| 2026 | 04 | 11 | 19 | 1624 | 652 | 2456 | 1624 | 2443 | 2285 | 2341 | 23 | 27 | 36 | 35 | 28 | 36 | 32 | 36 | 2410 | 16088 |
| 2026 | 04 | 11 | 18 | 1620 | 651 | 2188 | 2102 | 1760 | 2926 | 2164 | 24 | 22 | 29 | 33 | 27 | 38 | 32 | 37 | 2419 | 16072 |
| 2026 | 04 | 11 | 17 | 1623 | 651 | 2523 | 1717 | 2005 | 1722 | 3163 | 21 | 27 | 41 | 30 | 27 | 32 | 36 | 38 | 2407 | 16063 |
| 2026 | 04 | 11 | 16 | 1619 | 651 | 2434 | 1919 | 2368 | 2452 | 1957 | 28 | 29 | 27 | 30 | 27 | 29 | 43 | 36 | 2404 | 16053 |
| 2026 | 04 | 11 | 15 | 1621 | 652 | 1887 | 1825 | 2245 | 2484 | 2677 | 24 | 24 | 37 | 28 | 33 | 39 | 37 | 34 | 2393 | 16040 |
| 2026 | 04 | 11 | 14 | 1619 | 652 | 1808 | 1844 | 2354 | 2532 | 2581 | 25 | 24 | 36 | 33 | 31 | 22 | 28 | 41 | 2401 | 16031 |
| 2026 | 04 | 11 | 13 | 1621 | 652 | 1813 | 2084 | 2183 | 2176 | 2846 | 30 | 23 | 42 | 29 | 36 | 30 | 29 | 39 | 2380 | 16013 |
| 2026 | 04 | 11 | 12 | 1619 | 652 | 2071 | 2081 | 2010 | 2249 | 2688 | 27 | 21 | 29 | 32 | 24 | 35 | 34 | 51 | 2375 | 15998 |
| 2026 | 04 | 11 | 11 | 1621 | 652 | 2499 | 1770 | 2170 | 2471 | 2175 | 30 | 18 | 27 | 33 | 25 | 40 | 37 | 42 | 2369 | 15979 |
| 2026 | 04 | 11 | 10 | 1621 | 651 | 2050 | 1683 | 2852 | 2300 | 2195 | 25 | 27 | 36 | 35 | 33 | 29 | 27 | 31 | 2374 | 15969 |
| 2026 | 04 | 11 | 09 | 1621 | 651 | 1911 | 1846 | 2327 | 2507 | 2475 | 23 | 23 | 29 | 29 | 26 | 36 | 33 | 52 | 2362 | 15951 |
| 2026 | 04 | 11 | 08 | 1622 | 651 | 2788 | 2175 | 1925 | 1778 | 2398 | 22 | 17 | 41 | 28 | 21 | 37 | 41 | 44 | 2352 | 15940 |
| 2026 | 04 | 11 | 07 | 1619 | 648 | 1934 | 1545 | 2162 | 3083 | 2337 | 34 | 24 | 41 | 30 | 22 | 32 | 28 | 48 | 2326 | 15913 |
| 2026 | 04 | 11 | 06 | 1619 | 648 | 2457 | 1441 | 2048 | 2107 | 2999 | 29 | 28 | 38 | 35 | 23 | 31 | 28 | 43 | 2311 | 15885 |
| 2026 | 04 | 11 | 05 | 1617 | 648 | 1867 | 1957 | 1977 | 1802 | 3435 | 26 | 25 | 32 | 29 | 22 | 45 | 45 | 30 | 2298 | 15855 |
| 2026 | 04 | 11 | 04 | 1619 | 649 | 1796 | 1685 | 2009 | 2244 | 3292 | 27 | 22 | 25 | 39 | 27 | 24 | 32 | 50 | 2294 | 15834 |
| 2026 | 04 | 11 | 03 | 1619 | 649 | 1795 | 1923 | 2296 | 2158 | 2847 | 25 | 34 | 28 | 37 | 26 | 31 | 39 | 33 | 2272 | 15812 |
| 2026 | 04 | 11 | 02 | 1619 | 649 | 2102 | 1845 | 2388 | 2059 | 2610 | 24 | 33 | 31 | 37 | 23 | 37 | 28 | 37 | 2258 | 15780 |
| 2026 | 04 | 11 | 01 | 1619 | 649 | 2357 | 1762 | 2410 | 2231 | 2210 | 23 | 26 | 31 | 29 | 33 | 40 | 38 | 37 | 2214 | 15709 |
| 2026 | 04 | 11 | 00 | 1623 | 652 | 2353 | 1668 | 2114 | 2821 | 2222 | 24 | 35 | 32 | 32 | 33 | 30 | 38 | 37 | 2451 | 16165 |
| 2026 | 04 | 10 | 23 | 1622 | 652 | 2063 | 1618 | 2082 | 2392 | 3015 | 34 | 26 | 34 | 34 | 23 | 30 | 36 | 43 | 2450 | 16154 |
| 2026 | 04 | 10 | 22 | 1623 | 651 | 2488 | 1930 | 2183 | 2192 | 2372 | 20 | 19 | 34 | 36 | 39 | 32 | 38 | 39 | 2448 | 16144 |
| 2026 | 04 | 10 | 21 | 1624 | 650 | 2396 | 1640 | 2338 | 2369 | 2416 | 32 | 23 | 23 | 35 | 27 | 26 | 37 | 45 | 2453 | 16134 |
| 2026 | 04 | 10 | 20 | 1622 | 650 | 1962 | 1760 | 2783 | 2437 | 2213 | 21 | 28 | 33 | 44 | 30 | 31 | 32 | 41 | 2437 | 16124 |
| 2026 | 04 | 10 | 19 | 1621 | 651 | 1800 | 2115 | 2186 | 2836 | 2214 | 34 | 28 | 32 | 27 | 27 | 40 | 29 | 41 | 2437 | 16118 |
| 2026 | 04 | 10 | 18 | 1623 | 651 | 2053 | 2090 | 2174 | 2223 | 2603 | 27 | 35 | 33 | 30 | 31 | 33 | 32 | 36 | 2435 | 16109 |
| 2026 | 04 | 10 | 17 | 1622 | 651 | 2400 | 1919 | 2092 | 2365 | 2366 | 23 | 26 | 32 | 39 | 26 | 30 | 34 | 44 | 2433 | 16102 |
| 2026 | 04 | 10 | 16 | 1622 | 651 | 2411 | 1821 | 2443 | 2277 | 2186 | 22 | 23 | 25 | 32 | 37 | 29 | 37 | 44 | 2431 | 16091 |
| 2026 | 04 | 10 | 15 | 1623 | 651 | 2303 | 1659 | 2210 | 1931 | 3025 | 28 | 24 | 34 | 30 | 28 | 36 | 32 | 42 | 2423 | 16079 |
| 2026 | 04 | 10 | 14 | 1623 | 650 | 2293 | 1895 | 2092 | 2780 | 2060 | 28 | 29 | 27 | 35 | 25 | 29 | 32 | 50 | 2413 | 16061 |
| 2026 | 04 | 10 | 13 | 1623 | 650 | 2440 | 1777 | 1939 | 2035 | 2918 | 26 | 18 | 33 | 39 | 27 | 33 | 40 | 42 | 2405 | 16045 |
| 2026 | 04 | 10 | 12 | 1623 | 649 | 2016 | 1741 | 2292 | 2676 | 2374 | 27 | 22 | 34 | 31 | 26 | 33 | 39 | 37 | 2404 | 16024 |
| 2026 | 04 | 10 | 11 | 1622 | 648 | 1728 | 1827 | 2514 | 2468 | 2563 | 21 | 30 | 32 | 28 | 38 | 42 | 26 | 42 | 2376 | 16005 |
| 2026 | 04 | 10 | 10 | 1621 | 649 | 2860 | 1570 | 2443 | 1872 | 2348 | 31 | 22 | 35 | 33 | 29 | 28 | 37 | 40 | 2379 | 15997 |
| 2026 | 04 | 10 | 09 | 1621 | 650 | 2070 | 1696 | 2182 | 1909 | 3227 | 19 | 34 | 31 | 40 | 29 | 31 | 34 | 43 | 2367 | 15983 |
| 2026 | 04 | 10 | 08 | 1622 | 648 | 2036 | 2254 | 2495 | 1783 | 2510 | 24 | 31 | 36 | 31 | 25 | 29 | 37 | 34 | 2350 | 15945 |