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 | 04 | 14 | 1555 | 603 | 2375 | 1886 | 2872 | 1559 | 2521 | 23 | 23 | 31 | 24 | 29 | 36 | 25 | 49 | 2274 | 15885 |
| 2025 | 12 | 04 | 13 | 1556 | 603 | 1733 | 1743 | 2662 | 2541 | 2518 | 26 | 30 | 26 | 25 | 31 | 32 | 32 | 42 | 2266 | 15866 |
| 2025 | 12 | 04 | 12 | 1556 | 603 | 1748 | 2027 | 2291 | 2474 | 2654 | 24 | 31 | 28 | 26 | 21 | 31 | 36 | 46 | 2259 | 15855 |
| 2025 | 12 | 04 | 11 | 1552 | 603 | 2423 | 2085 | 2048 | 2058 | 2576 | 26 | 22 | 34 | 31 | 28 | 39 | 29 | 40 | 2245 | 15839 |
| 2025 | 12 | 04 | 10 | 1553 | 602 | 2322 | 1641 | 2438 | 2570 | 2219 | 20 | 28 | 27 | 27 | 24 | 32 | 35 | 47 | 2244 | 15829 |
| 2025 | 12 | 04 | 09 | 1553 | 602 | 2145 | 1725 | 2232 | 2172 | 2908 | 28 | 38 | 26 | 23 | 31 | 29 | 28 | 41 | 2231 | 15812 |
| 2025 | 12 | 04 | 08 | 1552 | 602 | 2291 | 1789 | 2403 | 2576 | 2116 | 20 | 23 | 34 | 31 | 25 | 30 | 33 | 47 | 2223 | 15795 |
| 2025 | 12 | 04 | 07 | 1552 | 603 | 2245 | 1819 | 2086 | 2400 | 2604 | 23 | 35 | 33 | 26 | 21 | 26 | 29 | 49 | 2213 | 15764 |
| 2025 | 12 | 04 | 06 | 1553 | 603 | 1833 | 1929 | 2378 | 1786 | 3218 | 27 | 35 | 25 | 34 | 24 | 25 | 28 | 45 | 2201 | 15744 |
| 2025 | 12 | 04 | 05 | 1553 | 603 | 2038 | 1759 | 2414 | 2367 | 2558 | 19 | 25 | 24 | 26 | 25 | 27 | 41 | 47 | 2146 | 15672 |
| 2025 | 12 | 04 | 04 | 1552 | 602 | 2540 | 1938 | 2375 | 2108 | 2174 | 32 | 23 | 26 | 27 | 37 | 27 | 27 | 43 | 2122 | 15653 |
| 2025 | 12 | 04 | 03 | 1550 | 601 | 2068 | 1816 | 1806 | 2655 | 2782 | 24 | 21 | 29 | 32 | 26 | 30 | 29 | 46 | 2117 | 15632 |
| 2025 | 12 | 04 | 02 | 1551 | 602 | 2052 | 2252 | 2263 | 2690 | 1853 | 25 | 23 | 31 | 27 | 26 | 33 | 34 | 41 | 2101 | 15604 |
| 2025 | 12 | 04 | 01 | 1548 | 601 | 2285 | 2160 | 2047 | 1903 | 2671 | 22 | 35 | 31 | 24 | 32 | 23 | 30 | 37 | 2073 | 15522 |
| 2025 | 12 | 04 | 00 | 1555 | 603 | 2171 | 1634 | 2425 | 2498 | 2538 | 18 | 33 | 31 | 22 | 34 | 28 | 40 | 39 | 2317 | 15986 |
| 2025 | 12 | 03 | 23 | 1555 | 604 | 2405 | 1795 | 2286 | 2011 | 2768 | 22 | 36 | 23 | 31 | 26 | 29 | 38 | 38 | 2310 | 15977 |
| 2025 | 12 | 03 | 22 | 1557 | 604 | 2604 | 1964 | 2132 | 2048 | 2513 | 20 | 31 | 36 | 25 | 25 | 31 | 33 | 40 | 2302 | 15965 |
| 2025 | 12 | 03 | 21 | 1556 | 604 | 1928 | 2007 | 2064 | 2410 | 2846 | 26 | 26 | 27 | 39 | 21 | 30 | 35 | 39 | 2300 | 15958 |
| 2025 | 12 | 03 | 20 | 1555 | 603 | 2339 | 1813 | 2298 | 2574 | 2225 | 25 | 22 | 29 | 37 | 31 | 29 | 34 | 44 | 2291 | 15949 |
| 2025 | 12 | 03 | 19 | 1554 | 603 | 2998 | 1742 | 2050 | 1724 | 2736 | 18 | 21 | 34 | 30 | 26 | 38 | 29 | 41 | 2298 | 15942 |
| 2025 | 12 | 03 | 18 | 1555 | 604 | 2005 | 1751 | 2448 | 2463 | 2574 | 24 | 26 | 41 | 31 | 24 | 28 | 32 | 41 | 2284 | 15931 |
| 2025 | 12 | 03 | 17 | 1555 | 603 | 1854 | 1942 | 2209 | 2624 | 2612 | 29 | 30 | 29 | 29 | 23 | 28 | 33 | 45 | 2278 | 15923 |
| 2025 | 12 | 03 | 16 | 1554 | 602 | 2196 | 1943 | 1764 | 3065 | 2264 | 34 | 20 | 28 | 28 | 26 | 27 | 40 | 44 | 2279 | 15914 |
| 2025 | 12 | 03 | 15 | 1554 | 602 | 1567 | 1886 | 1663 | 2901 | 3208 | 25 | 22 | 36 | 29 | 28 | 26 | 32 | 49 | 2271 | 15899 |
| 2025 | 12 | 03 | 14 | 1553 | 603 | 2103 | 2263 | 2647 | 2203 | 1998 | 13 | 24 | 37 | 30 | 21 | 37 | 40 | 48 | 2265 | 15885 |
| 2025 | 12 | 03 | 13 | 1556 | 603 | 2329 | 2109 | 1960 | 2452 | 2358 | 33 | 29 | 27 | 30 | 20 | 25 | 37 | 44 | 2261 | 15873 |
| 2025 | 12 | 03 | 12 | 1556 | 602 | 2526 | 1854 | 2213 | 2044 | 2568 | 16 | 30 | 28 | 36 | 23 | 25 | 45 | 42 | 2258 | 15866 |
| 2025 | 12 | 03 | 11 | 1555 | 601 | 1952 | 1799 | 2195 | 2216 | 3038 | 19 | 27 | 33 | 36 | 29 | 31 | 26 | 43 | 2252 | 15852 |
| 2025 | 12 | 03 | 10 | 1554 | 602 | 2188 | 1588 | 2173 | 2473 | 2771 | 24 | 29 | 38 | 31 | 17 | 20 | 27 | 49 | 2207 | 15791 |
| 2025 | 12 | 03 | 09 | 1553 | 601 | 1973 | 1888 | 2238 | 2591 | 2494 | 19 | 24 | 29 | 22 | 31 | 35 | 30 | 47 | 2198 | 15773 |
| 2025 | 12 | 03 | 08 | 1552 | 600 | 2050 | 1557 | 2124 | 2859 | 2588 | 28 | 18 | 29 | 34 | 25 | 24 | 32 | 49 | 2186 | 15755 |
| 2025 | 12 | 03 | 07 | 1554 | 602 | 1840 | 1749 | 2257 | 2972 | 2350 | 16 | 30 | 28 | 28 | 27 | 27 | 31 | 49 | 2174 | 15734 |
| 2025 | 12 | 03 | 06 | 1552 | 602 | 1829 | 2004 | 2190 | 1995 | 3144 | 24 | 26 | 35 | 29 | 24 | 20 | 34 | 50 | 2163 | 15721 |
| 2025 | 12 | 03 | 05 | 1554 | 602 | 2099 | 1531 | 2129 | 2782 | 2612 | 32 | 21 | 27 | 26 | 26 | 29 | 31 | 41 | 2159 | 15701 |
| 2025 | 12 | 03 | 04 | 1555 | 602 | 2239 | 1651 | 2511 | 2097 | 2638 | 17 | 30 | 30 | 30 | 29 | 27 | 31 | 49 | 2138 | 15674 |
| 2025 | 12 | 03 | 03 | 1552 | 602 | 1538 | 1588 | 2325 | 2843 | 2831 | 27 | 25 | 39 | 33 | 15 | 31 | 30 | 42 | 2135 | 15656 |
| 2025 | 12 | 03 | 02 | 1554 | 600 | 2740 | 1743 | 1894 | 2195 | 2531 | 25 | 19 | 30 | 30 | 38 | 24 | 29 | 36 | 2133 | 15621 |
| 2025 | 12 | 03 | 01 | 1550 | 599 | 1727 | 1659 | 2332 | 2214 | 3139 | 27 | 28 | 25 | 38 | 18 | 32 | 30 | 37 | 2103 | 15558 |
| 2025 | 12 | 03 | 00 | 1557 | 600 | 1983 | 1802 | 2652 | 2292 | 2551 | 31 | 22 | 41 | 27 | 18 | 30 | 37 | 44 | 2363 | 16050 |
| 2025 | 12 | 02 | 23 | 1557 | 600 | 2520 | 2149 | 2014 | 2207 | 2387 | 25 | 26 | 29 | 24 | 22 | 33 | 34 | 48 | 2366 | 16041 |
| 2025 | 12 | 02 | 22 | 1557 | 601 | 2191 | 1797 | 2730 | 1989 | 2565 | 25 | 21 | 29 | 28 | 38 | 31 | 31 | 45 | 2360 | 16038 |
| 2025 | 12 | 02 | 21 | 1556 | 599 | 2396 | 1703 | 2570 | 2835 | 1768 | 18 | 32 | 34 | 39 | 26 | 27 | 28 | 43 | 2352 | 16026 |
| 2025 | 12 | 02 | 20 | 1558 | 599 | 2276 | 1539 | 2045 | 2963 | 2444 | 23 | 31 | 34 | 24 | 32 | 28 | 22 | 42 | 2359 | 16019 |
| 2025 | 12 | 02 | 19 | 1556 | 599 | 1963 | 1910 | 2884 | 2292 | 2208 | 27 | 23 | 32 | 32 | 22 | 35 | 28 | 46 | 2351 | 16008 |
| 2025 | 12 | 02 | 18 | 1556 | 600 | 2178 | 1616 | 3170 | 1937 | 2349 | 25 | 22 | 27 | 27 | 32 | 32 | 30 | 37 | 2362 | 16000 |
| 2025 | 12 | 02 | 17 | 1555 | 600 | 2013 | 1780 | 3135 | 2544 | 1779 | 25 | 16 | 28 | 27 | 33 | 31 | 35 | 48 | 2344 | 15993 |
| 2025 | 12 | 02 | 16 | 1556 | 599 | 1856 | 1935 | 2011 | 2181 | 3255 | 19 | 20 | 22 | 26 | 33 | 33 | 42 | 45 | 2346 | 15979 |
| 2025 | 12 | 02 | 15 | 1557 | 599 | 2449 | 1866 | 2129 | 1954 | 2834 | 15 | 23 | 33 | 37 | 29 | 39 | 34 | 36 | 2330 | 15964 |