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 | 28 | 15 | 1575 | 615 | 2213 | 1907 | 2447 | 1664 | 2963 | 21 | 25 | 31 | 26 | 28 | 26 | 37 | 47 | 2273 | 15898 |
| 2025 | 12 | 28 | 14 | 1576 | 615 | 1902 | 1502 | 2282 | 2669 | 2821 | 25 | 30 | 32 | 29 | 35 | 26 | 31 | 35 | 2272 | 15882 |
| 2025 | 12 | 28 | 13 | 1574 | 615 | 1628 | 1771 | 2746 | 2775 | 2247 | 27 | 27 | 23 | 30 | 32 | 33 | 29 | 49 | 2255 | 15861 |
| 2025 | 12 | 28 | 12 | 1571 | 614 | 2348 | 1732 | 1786 | 2416 | 2882 | 25 | 31 | 27 | 31 | 30 | 31 | 25 | 36 | 2262 | 15847 |
| 2025 | 12 | 28 | 11 | 1573 | 614 | 1716 | 1786 | 1759 | 3503 | 2386 | 23 | 31 | 32 | 23 | 26 | 24 | 33 | 37 | 2260 | 15826 |
| 2025 | 12 | 28 | 10 | 1572 | 614 | 1614 | 1894 | 2377 | 2262 | 3000 | 28 | 25 | 39 | 27 | 37 | 22 | 37 | 34 | 2225 | 15807 |
| 2025 | 12 | 28 | 09 | 1572 | 613 | 2268 | 2192 | 2051 | 1990 | 2643 | 21 | 32 | 29 | 33 | 30 | 34 | 26 | 40 | 2216 | 15790 |
| 2025 | 12 | 28 | 08 | 1573 | 610 | 2096 | 1653 | 1968 | 2937 | 2482 | 29 | 23 | 36 | 34 | 26 | 26 | 33 | 35 | 2208 | 15769 |
| 2025 | 12 | 28 | 07 | 1575 | 609 | 1710 | 1775 | 2524 | 2389 | 2725 | 26 | 27 | 27 | 38 | 27 | 28 | 28 | 48 | 2193 | 15749 |
| 2025 | 12 | 28 | 06 | 1574 | 610 | 2144 | 1989 | 2044 | 2194 | 2737 | 27 | 32 | 34 | 24 | 30 | 27 | 35 | 31 | 2196 | 15728 |
| 2025 | 12 | 28 | 05 | 1571 | 609 | 2212 | 1854 | 2144 | 2295 | 2596 | 30 | 22 | 22 | 33 | 30 | 35 | 29 | 45 | 2182 | 15709 |
| 2025 | 12 | 28 | 04 | 1570 | 610 | 2188 | 1922 | 2190 | 2082 | 2714 | 20 | 25 | 28 | 32 | 26 | 32 | 30 | 49 | 2171 | 15689 |
| 2025 | 12 | 28 | 03 | 1572 | 609 | 1733 | 1846 | 2709 | 2211 | 2577 | 25 | 34 | 23 | 30 | 28 | 31 | 35 | 33 | 2159 | 15655 |
| 2025 | 12 | 28 | 02 | 1572 | 609 | 2426 | 1703 | 2345 | 2143 | 2442 | 22 | 21 | 34 | 27 | 23 | 33 | 30 | 39 | 2160 | 15629 |
| 2025 | 12 | 28 | 01 | 1573 | 607 | 2258 | 1510 | 2436 | 2413 | 2413 | 19 | 27 | 35 | 18 | 34 | 35 | 24 | 42 | 2135 | 15579 |
| 2025 | 12 | 28 | 00 | 1576 | 616 | 2664 | 1852 | 2090 | 2335 | 2283 | 26 | 28 | 15 | 31 | 26 | 33 | 34 | 49 | 2375 | 16033 |
| 2025 | 12 | 27 | 23 | 1579 | 615 | 2176 | 1606 | 2821 | 2267 | 2351 | 24 | 17 | 34 | 33 | 33 | 29 | 24 | 43 | 2373 | 16025 |
| 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 |