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 | 04 | 30 | 07 | 1496 | 556 | 2501 | 1968 | 2142 | 2727 | 2051 | 28 | 27 | 37 | 32 | 21 | 33 | 43 | 36 | 2245 | 15943 |
| 2025 | 04 | 30 | 06 | 1495 | 556 | 2653 | 1697 | 2432 | 2065 | 2529 | 29 | 25 | 44 | 24 | 26 | 23 | 40 | 45 | 2232 | 15915 |
| 2025 | 04 | 30 | 05 | 1494 | 553 | 2119 | 1773 | 2144 | 3092 | 2230 | 33 | 27 | 30 | 29 | 32 | 34 | 29 | 37 | 2222 | 15878 |
| 2025 | 04 | 30 | 04 | 1490 | 553 | 2304 | 1826 | 2052 | 2762 | 2412 | 25 | 28 | 42 | 28 | 27 | 29 | 34 | 43 | 2194 | 15849 |
| 2025 | 04 | 30 | 03 | 1492 | 553 | 2128 | 2287 | 2005 | 2494 | 2426 | 24 | 24 | 44 | 33 | 25 | 38 | 28 | 37 | 2185 | 15823 |
| 2025 | 04 | 30 | 02 | 1490 | 553 | 2266 | 1705 | 2276 | 2341 | 2729 | 23 | 18 | 38 | 22 | 31 | 35 | 41 | 37 | 2177 | 15782 |
| 2025 | 04 | 30 | 01 | 1491 | 551 | 2275 | 2102 | 2751 | 1884 | 2270 | 21 | 32 | 43 | 33 | 24 | 29 | 31 | 42 | 2141 | 15720 |
| 2025 | 04 | 30 | 00 | 1508 | 562 | 2208 | 2140 | 2928 | 1831 | 2416 | 20 | 21 | 35 | 26 | 26 | 37 | 40 | 53 | 2350 | 16201 |
| 2025 | 04 | 29 | 23 | 1508 | 562 | 1690 | 1703 | 2920 | 1879 | 3326 | 32 | 19 | 36 | 33 | 25 | 40 | 35 | 34 | 2349 | 16191 |
| 2025 | 04 | 29 | 22 | 1506 | 562 | 1862 | 1788 | 2650 | 2676 | 2531 | 24 | 21 | 33 | 36 | 37 | 31 | 41 | 26 | 2357 | 16181 |
| 2025 | 04 | 29 | 21 | 1504 | 562 | 2352 | 2057 | 3351 | 1897 | 1848 | 18 | 28 | 32 | 31 | 39 | 27 | 37 | 45 | 2347 | 16175 |
| 2025 | 04 | 29 | 20 | 1505 | 562 | 2936 | 2206 | 1871 | 2350 | 2141 | 25 | 23 | 35 | 32 | 39 | 23 | 30 | 46 | 2341 | 16165 |
| 2025 | 04 | 29 | 19 | 1504 | 562 | 2226 | 1962 | 2148 | 2797 | 2357 | 26 | 31 | 39 | 30 | 24 | 33 | 37 | 41 | 2337 | 16154 |
| 2025 | 04 | 29 | 18 | 1504 | 561 | 1848 | 1843 | 1899 | 2177 | 3723 | 23 | 18 | 36 | 29 | 29 | 31 | 36 | 44 | 2345 | 16146 |
| 2025 | 04 | 29 | 17 | 1506 | 561 | 1857 | 2055 | 2703 | 2200 | 2667 | 13 | 22 | 33 | 29 | 27 | 37 | 39 | 47 | 2332 | 16128 |
| 2025 | 04 | 29 | 16 | 1505 | 560 | 2227 | 2224 | 2326 | 2425 | 2274 | 32 | 24 | 39 | 25 | 33 | 22 | 31 | 42 | 2325 | 16114 |
| 2025 | 04 | 29 | 15 | 1506 | 560 | 1940 | 1569 | 2538 | 2052 | 3368 | 28 | 25 | 26 | 21 | 28 | 30 | 45 | 45 | 2313 | 16094 |
| 2025 | 04 | 29 | 14 | 1504 | 560 | 2627 | 1524 | 2888 | 1803 | 2619 | 34 | 16 | 38 | 37 | 22 | 37 | 34 | 36 | 2301 | 16080 |
| 2025 | 04 | 29 | 13 | 1504 | 560 | 2308 | 2067 | 2206 | 2394 | 2475 | 28 | 25 | 40 | 32 | 31 | 24 | 32 | 51 | 2284 | 16061 |
| 2025 | 04 | 29 | 12 | 1504 | 560 | 2249 | 1753 | 2443 | 2602 | 2390 | 25 | 16 | 45 | 29 | 30 | 35 | 30 | 40 | 2292 | 16043 |
| 2025 | 04 | 29 | 11 | 1504 | 559 | 1924 | 1952 | 2697 | 2389 | 2460 | 32 | 21 | 41 | 31 | 23 | 38 | 33 | 32 | 2287 | 16023 |
| 2025 | 04 | 29 | 10 | 1504 | 559 | 2312 | 1738 | 2481 | 2210 | 2674 | 18 | 31 | 46 | 37 | 32 | 30 | 31 | 35 | 2274 | 16012 |
| 2025 | 04 | 29 | 09 | 1505 | 560 | 2348 | 2332 | 2409 | 1946 | 2367 | 25 | 24 | 36 | 28 | 25 | 34 | 33 | 43 | 2276 | 15991 |
| 2025 | 04 | 29 | 08 | 1507 | 560 | 2386 | 1971 | 2057 | 2392 | 2583 | 30 | 36 | 26 | 24 | 33 | 25 | 39 | 39 | 2257 | 15965 |
| 2025 | 04 | 29 | 07 | 1505 | 560 | 1913 | 1931 | 2704 | 2102 | 2724 | 28 | 24 | 40 | 39 | 22 | 26 | 33 | 38 | 2249 | 15938 |
| 2025 | 04 | 29 | 06 | 1506 | 560 | 2383 | 1923 | 2007 | 2623 | 2417 | 25 | 17 | 37 | 32 | 26 | 36 | 34 | 32 | 2241 | 15899 |
| 2025 | 04 | 29 | 05 | 1505 | 560 | 2429 | 1813 | 1845 | 2153 | 3092 | 29 | 25 | 30 | 36 | 28 | 26 | 38 | 42 | 2207 | 15858 |
| 2025 | 04 | 29 | 04 | 1506 | 559 | 2331 | 1773 | 2281 | 2739 | 2193 | 21 | 23 | 38 | 22 | 38 | 36 | 38 | 32 | 2195 | 15825 |
| 2025 | 04 | 29 | 03 | 1504 | 559 | 2871 | 1848 | 2002 | 2158 | 2431 | 24 | 25 | 28 | 31 | 23 | 34 | 35 | 38 | 2190 | 15801 |
| 2025 | 04 | 29 | 02 | 1505 | 560 | 2368 | 1589 | 2562 | 2231 | 2526 | 29 | 21 | 37 | 30 | 28 | 37 | 34 | 31 | 2161 | 15749 |
| 2025 | 04 | 29 | 01 | 1503 | 559 | 2506 | 1600 | 2780 | 2382 | 1969 | 36 | 22 | 33 | 30 | 25 | 24 | 33 | 47 | 2120 | 15669 |
| 2025 | 04 | 29 | 00 | 1505 | 562 | 2636 | 2139 | 2328 | 1646 | 2800 | 34 | 22 | 32 | 37 | 28 | 33 | 36 | 33 | 2332 | 16203 |
| 2025 | 04 | 28 | 23 | 1503 | 562 | 2052 | 2061 | 2056 | 2768 | 2610 | 28 | 32 | 39 | 22 | 31 | 36 | 35 | 39 | 2322 | 16196 |
| 2025 | 04 | 28 | 22 | 1503 | 562 | 2272 | 1883 | 2500 | 2340 | 2544 | 25 | 29 | 36 | 33 | 22 | 31 | 29 | 42 | 2335 | 16186 |
| 2025 | 04 | 28 | 21 | 1503 | 560 | 1934 | 1942 | 2343 | 2450 | 2869 | 18 | 25 | 38 | 31 | 21 | 38 | 31 | 46 | 2325 | 16174 |
| 2025 | 04 | 28 | 20 | 1503 | 559 | 2009 | 2092 | 2146 | 2543 | 2735 | 31 | 23 | 33 | 28 | 28 | 35 | 44 | 30 | 2321 | 16160 |
| 2025 | 04 | 28 | 19 | 1504 | 559 | 2085 | 1875 | 2258 | 2772 | 2533 | 15 | 16 | 33 | 39 | 40 | 35 | 29 | 44 | 2316 | 16153 |
| 2025 | 04 | 28 | 18 | 1505 | 559 | 2637 | 1980 | 2122 | 2616 | 2153 | 31 | 29 | 42 | 29 | 26 | 30 | 33 | 31 | 2313 | 16136 |
| 2025 | 04 | 28 | 17 | 1502 | 559 | 2470 | 1777 | 2671 | 2326 | 2252 | 23 | 27 | 33 | 35 | 30 | 24 | 37 | 43 | 2312 | 16121 |
| 2025 | 04 | 28 | 16 | 1503 | 559 | 1853 | 1975 | 2683 | 2537 | 2444 | 19 | 27 | 44 | 30 | 24 | 24 | 37 | 47 | 2302 | 16108 |
| 2025 | 04 | 28 | 15 | 1503 | 559 | 2348 | 2146 | 2443 | 2324 | 2229 | 24 | 24 | 26 | 43 | 31 | 26 | 31 | 38 | 2298 | 16093 |
| 2025 | 04 | 28 | 14 | 1500 | 558 | 2189 | 1568 | 2319 | 3303 | 2101 | 29 | 25 | 42 | 28 | 29 | 32 | 31 | 41 | 2274 | 16069 |
| 2025 | 04 | 28 | 13 | 1499 | 557 | 1938 | 1899 | 2227 | 2703 | 2703 | 28 | 21 | 35 | 29 | 28 | 33 | 39 | 43 | 2267 | 16049 |
| 2025 | 04 | 28 | 12 | 1501 | 558 | 2379 | 1888 | 1945 | 2818 | 2421 | 27 | 18 | 28 | 34 | 29 | 28 | 30 | 50 | 2277 | 16031 |
| 2025 | 04 | 28 | 11 | 1501 | 558 | 2311 | 1920 | 2194 | 2194 | 2823 | 27 | 20 | 31 | 30 | 36 | 37 | 27 | 43 | 2267 | 16019 |
| 2025 | 04 | 28 | 10 | 1500 | 558 | 1963 | 1692 | 2867 | 2178 | 2732 | 27 | 42 | 37 | 28 | 24 | 23 | 32 | 39 | 2249 | 15991 |
| 2025 | 04 | 28 | 09 | 1503 | 558 | 1937 | 2407 | 2244 | 2343 | 2494 | 29 | 25 | 33 | 23 | 29 | 34 | 33 | 42 | 2240 | 15974 |
| 2025 | 04 | 28 | 08 | 1503 | 558 | 2108 | 2083 | 2422 | 2418 | 2393 | 34 | 32 | 34 | 30 | 29 | 29 | 32 | 35 | 2223 | 15963 |