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 |
| 2025 | 12 | 27 | 22 | 1578 | 615 | 1952 | 1849 | 2605 | 2298 | 2509 | 29 | 33 | 24 | 18 | 21 | 28 | 40 | 41 | 2376 | 16016 |
| 2025 | 12 | 27 | 21 | 1576 | 615 | 1775 | 2160 | 2287 | 2503 | 2488 | 18 | 34 | 27 | 40 | 31 | 27 | 25 | 43 | 2360 | 16009 |
| 2025 | 12 | 27 | 20 | 1575 | 615 | 1974 | 1973 | 1812 | 2835 | 2620 | 23 | 25 | 26 | 31 | 29 | 33 | 31 | 46 | 2356 | 16004 |
| 2025 | 12 | 27 | 19 | 1576 | 615 | 1970 | 1910 | 1880 | 2063 | 3379 | 29 | 22 | 27 | 30 | 31 | 23 | 29 | 43 | 2362 | 15989 |
| 2025 | 12 | 27 | 18 | 1574 | 616 | 1681 | 1753 | 2203 | 3003 | 2563 | 22 | 28 | 26 | 27 | 34 | 27 | 42 | 36 | 2342 | 15977 |
| 2025 | 12 | 27 | 17 | 1575 | 616 | 1986 | 1873 | 1658 | 3094 | 2582 | 26 | 40 | 34 | 31 | 22 | 27 | 23 | 46 | 2336 | 15969 |
| 2025 | 12 | 27 | 16 | 1574 | 615 | 1831 | 2317 | 2170 | 2448 | 2418 | 25 | 23 | 34 | 34 | 23 | 26 | 30 | 41 | 2342 | 15951 |
| 2025 | 12 | 27 | 15 | 1576 | 615 | 2124 | 1932 | 2332 | 2881 | 1905 | 23 | 21 | 24 | 38 | 27 | 32 | 33 | 41 | 2329 | 15933 |
| 2025 | 12 | 27 | 14 | 1576 | 615 | 2568 | 1666 | 1972 | 2322 | 2636 | 24 | 19 | 21 | 31 | 24 | 41 | 32 | 43 | 2332 | 15922 |
| 2025 | 12 | 27 | 13 | 1574 | 614 | 2043 | 1547 | 2320 | 2595 | 2649 | 25 | 34 | 23 | 29 | 30 | 36 | 22 | 36 | 2324 | 15901 |
| 2025 | 12 | 27 | 12 | 1573 | 614 | 2179 | 1973 | 1975 | 2113 | 2909 | 24 | 28 | 30 | 30 | 29 | 34 | 22 | 45 | 2293 | 15871 |
| 2025 | 12 | 27 | 11 | 1571 | 615 | 2256 | 1843 | 2464 | 2047 | 2537 | 15 | 25 | 28 | 27 | 36 | 22 | 41 | 39 | 2293 | 15859 |
| 2025 | 12 | 27 | 10 | 1574 | 615 | 1988 | 1881 | 2643 | 1829 | 2794 | 19 | 26 | 29 | 32 | 34 | 28 | 30 | 35 | 2289 | 15846 |
| 2025 | 12 | 27 | 09 | 1574 | 614 | 2524 | 1992 | 2285 | 2134 | 2193 | 18 | 34 | 34 | 27 | 26 | 34 | 36 | 39 | 2254 | 15818 |
| 2025 | 12 | 27 | 08 | 1576 | 613 | 1990 | 1820 | 2307 | 2288 | 2716 | 27 | 19 | 29 | 25 | 29 | 31 | 37 | 36 | 2251 | 15794 |
| 2025 | 12 | 27 | 07 | 1575 | 614 | 2576 | 1832 | 2007 | 2305 | 2387 | 23 | 17 | 35 | 29 | 26 | 30 | 30 | 45 | 2240 | 15771 |
| 2025 | 12 | 27 | 06 | 1575 | 613 | 2421 | 1872 | 2178 | 2199 | 2435 | 29 | 24 | 26 | 34 | 24 | 29 | 26 | 45 | 2217 | 15747 |
| 2025 | 12 | 27 | 05 | 1572 | 613 | 1921 | 1789 | 2046 | 2267 | 3069 | 29 | 31 | 21 | 34 | 29 | 33 | 26 | 41 | 2198 | 15719 |
| 2025 | 12 | 27 | 04 | 1570 | 612 | 2278 | 1857 | 2027 | 2474 | 2446 | 21 | 29 | 33 | 27 | 26 | 26 | 32 | 43 | 2198 | 15699 |
| 2025 | 12 | 27 | 03 | 1568 | 612 | 2271 | 1851 | 1961 | 2498 | 2492 | 24 | 21 | 28 | 29 | 34 | 33 | 31 | 42 | 2173 | 15668 |
| 2025 | 12 | 27 | 02 | 1565 | 612 | 1849 | 1873 | 2364 | 1980 | 2986 | 25 | 25 | 25 | 35 | 28 | 27 | 35 | 38 | 2160 | 15627 |
| 2025 | 12 | 27 | 01 | 1564 | 611 | 2635 | 2149 | 2160 | 2057 | 2010 | 21 | 29 | 26 | 35 | 28 | 25 | 35 | 41 | 2128 | 15554 |
| 2025 | 12 | 27 | 00 | 1572 | 616 | 2072 | 1811 | 2414 | 2488 | 2445 | 32 | 27 | 35 | 29 | 22 | 28 | 27 | 38 | 2361 | 16017 |
| 2025 | 12 | 26 | 23 | 1574 | 616 | 1852 | 1841 | 2302 | 2248 | 2977 | 30 | 32 | 34 | 37 | 36 | 31 | 25 | 27 | 2342 | 16004 |
| 2025 | 12 | 26 | 22 | 1574 | 615 | 2129 | 1977 | 2726 | 2339 | 2045 | 26 | 26 | 27 | 33 | 32 | 30 | 34 | 30 | 2353 | 15996 |
| 2025 | 12 | 26 | 21 | 1572 | 615 | 2172 | 2152 | 2172 | 2482 | 2236 | 21 | 19 | 33 | 35 | 34 | 32 | 30 | 38 | 2340 | 15983 |
| 2025 | 12 | 26 | 20 | 1570 | 616 | 2983 | 1718 | 2256 | 2031 | 2215 | 28 | 31 | 31 | 31 | 24 | 30 | 23 | 38 | 2345 | 15970 |
| 2025 | 12 | 26 | 19 | 1569 | 614 | 2417 | 1878 | 2615 | 2174 | 2115 | 26 | 25 | 21 | 30 | 31 | 41 | 30 | 44 | 2328 | 15958 |
| 2025 | 12 | 26 | 18 | 1568 | 613 | 1996 | 1862 | 2138 | 2741 | 2460 | 26 | 25 | 25 | 30 | 27 | 28 | 41 | 43 | 2322 | 15945 |
| 2025 | 12 | 26 | 17 | 1566 | 614 | 2663 | 2044 | 2218 | 1914 | 2345 | 18 | 24 | 33 | 29 | 29 | 26 | 36 | 43 | 2327 | 15929 |
| 2025 | 12 | 26 | 16 | 1566 | 614 | 2057 | 1750 | 1890 | 2826 | 2655 | 25 | 26 | 29 | 30 | 21 | 24 | 29 | 39 | 2333 | 15914 |
| 2025 | 12 | 26 | 15 | 1566 | 614 | 2176 | 2123 | 2125 | 2198 | 2545 | 27 | 20 | 30 | 23 | 24 | 32 | 26 | 49 | 2317 | 15895 |
| 2025 | 12 | 26 | 14 | 1567 | 613 | 2719 | 2018 | 1801 | 2192 | 2429 | 26 | 22 | 32 | 35 | 21 | 38 | 28 | 31 | 2278 | 15850 |
| 2025 | 12 | 26 | 13 | 1563 | 613 | 1845 | 1782 | 2381 | 2634 | 2510 | 20 | 29 | 30 | 28 | 27 | 25 | 33 | 36 | 2281 | 15837 |
| 2025 | 12 | 26 | 12 | 1563 | 613 | 2378 | 2079 | 2195 | 2083 | 2401 | 23 | 28 | 29 | 28 | 21 | 39 | 21 | 47 | 2259 | 15807 |
| 2025 | 12 | 26 | 11 | 1562 | 614 | 2346 | 1971 | 1491 | 2591 | 2729 | 22 | 28 | 33 | 39 | 23 | 27 | 30 | 44 | 2238 | 15788 |
| 2025 | 12 | 26 | 10 | 1563 | 613 | 2271 | 2149 | 1806 | 2572 | 2327 | 18 | 29 | 22 | 40 | 21 | 32 | 31 | 45 | 2234 | 15773 |
| 2025 | 12 | 26 | 09 | 1562 | 612 | 1805 | 1803 | 2702 | 2254 | 2551 | 23 | 24 | 28 | 25 | 23 | 38 | 36 | 39 | 2222 | 15747 |
| 2025 | 12 | 26 | 08 | 1565 | 611 | 2031 | 2080 | 1887 | 2488 | 2612 | 25 | 28 | 32 | 24 | 25 | 29 | 33 | 40 | 2212 | 15722 |
| 2025 | 12 | 26 | 07 | 1563 | 611 | 1546 | 1995 | 2042 | 3104 | 2408 | 21 | 22 | 20 | 33 | 39 | 17 | 33 | 46 | 2207 | 15707 |
| 2025 | 12 | 26 | 06 | 1562 | 610 | 1807 | 2083 | 2249 | 2572 | 2374 | 19 | 30 | 21 | 26 | 35 | 25 | 30 | 42 | 2199 | 15684 |
| 2025 | 12 | 26 | 05 | 1563 | 610 | 1716 | 1823 | 3248 | 1678 | 2612 | 34 | 29 | 25 | 25 | 25 | 31 | 26 | 45 | 2180 | 15670 |
| 2025 | 12 | 26 | 04 | 1566 | 610 | 2139 | 1832 | 2238 | 2512 | 2336 | 18 | 32 | 30 | 30 | 22 | 34 | 22 | 46 | 2181 | 15648 |
| 2025 | 12 | 26 | 03 | 1564 | 609 | 2205 | 1663 | 2427 | 2616 | 2146 | 20 | 19 | 24 | 41 | 23 | 25 | 33 | 49 | 2168 | 15632 |
| 2025 | 12 | 26 | 02 | 1562 | 607 | 2587 | 1601 | 1670 | 2594 | 2590 | 18 | 25 | 30 | 36 | 25 | 25 | 26 | 50 | 2160 | 15606 |
| 2025 | 12 | 26 | 01 | 1560 | 608 | 1772 | 1965 | 1917 | 2921 | 2439 | 18 | 26 | 21 | 30 | 37 | 30 | 33 | 42 | 2132 | 15551 |
| 2025 | 12 | 26 | 00 | 1573 | 614 | 2061 | 2063 | 2111 | 2276 | 2709 | 34 | 26 | 29 | 27 | 25 | 29 | 34 | 39 | 2347 | 15997 |
| 2025 | 12 | 25 | 23 | 1575 | 614 | 2117 | 1732 | 2716 | 2602 | 2045 | 18 | 29 | 34 | 33 | 15 | 21 | 36 | 38 | 2365 | 15990 |