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 | 06 | 23 | 02 | 1518 | 574 | 2366 | 1768 | 2136 | 2160 | 2873 | 28 | 35 | 30 | 27 | 27 | 37 | 35 | 34 | 2155 | 15803 |
| 2025 | 06 | 23 | 01 | 1519 | 573 | 2155 | 1765 | 2166 | 2306 | 2879 | 30 | 27 | 31 | 31 | 21 | 39 | 34 | 38 | 2124 | 15738 |
| 2025 | 06 | 23 | 00 | 1523 | 576 | 1877 | 1480 | 2210 | 2579 | 3315 | 31 | 27 | 35 | 26 | 28 | 23 | 40 | 47 | 2329 | 16146 |
| 2025 | 06 | 22 | 23 | 1526 | 577 | 1746 | 1754 | 2099 | 2761 | 3091 | 22 | 30 | 33 | 28 | 22 | 37 | 35 | 36 | 2341 | 16138 |
| 2025 | 06 | 22 | 22 | 1529 | 577 | 2187 | 2075 | 2581 | 2030 | 2572 | 20 | 23 | 39 | 25 | 22 | 34 | 34 | 54 | 2325 | 16127 |
| 2025 | 06 | 22 | 21 | 1530 | 577 | 2722 | 1889 | 2341 | 2490 | 1998 | 24 | 24 | 36 | 35 | 25 | 37 | 44 | 39 | 2303 | 16114 |
| 2025 | 06 | 22 | 20 | 1529 | 576 | 2311 | 1915 | 1701 | 2571 | 2940 | 38 | 24 | 37 | 25 | 27 | 30 | 41 | 33 | 2312 | 16110 |
| 2025 | 06 | 22 | 19 | 1527 | 576 | 2484 | 1762 | 2369 | 2159 | 2661 | 27 | 35 | 31 | 31 | 23 | 26 | 35 | 45 | 2300 | 16091 |
| 2025 | 06 | 22 | 18 | 1528 | 574 | 2236 | 2282 | 2741 | 1852 | 2314 | 39 | 26 | 33 | 23 | 22 | 27 | 37 | 47 | 2296 | 16077 |
| 2025 | 06 | 22 | 17 | 1525 | 574 | 1901 | 1901 | 2140 | 2716 | 2760 | 32 | 26 | 30 | 33 | 28 | 29 | 36 | 46 | 2288 | 16065 |
| 2025 | 06 | 22 | 16 | 1523 | 574 | 1764 | 1953 | 2556 | 2631 | 2504 | 28 | 34 | 28 | 31 | 26 | 33 | 41 | 43 | 2273 | 16042 |
| 2025 | 06 | 22 | 15 | 1527 | 573 | 1840 | 1777 | 2521 | 2774 | 2489 | 26 | 32 | 35 | 27 | 33 | 36 | 25 | 39 | 2273 | 16027 |
| 2025 | 06 | 22 | 14 | 1525 | 573 | 1961 | 2192 | 1877 | 3155 | 2213 | 32 | 19 | 39 | 22 | 33 | 27 | 36 | 44 | 2271 | 16019 |
| 2025 | 06 | 22 | 13 | 1524 | 573 | 2330 | 1888 | 2496 | 1928 | 2744 | 30 | 22 | 34 | 25 | 32 | 25 | 40 | 54 | 2257 | 16002 |
| 2025 | 06 | 22 | 12 | 1523 | 573 | 1499 | 1941 | 2143 | 2837 | 2959 | 28 | 19 | 35 | 39 | 30 | 29 | 35 | 33 | 2258 | 15981 |
| 2025 | 06 | 22 | 11 | 1520 | 570 | 2393 | 1767 | 2103 | 2006 | 3115 | 33 | 29 | 25 | 31 | 35 | 18 | 39 | 38 | 2236 | 15958 |
| 2025 | 06 | 22 | 10 | 1520 | 570 | 2393 | 1767 | 2103 | 2006 | 3115 | 33 | 29 | 25 | 31 | 35 | 18 | 39 | 38 | 2236 | 15958 |
| 2025 | 06 | 22 | 09 | 1520 | 572 | 2059 | 2089 | 1827 | 2272 | 3124 | 29 | 30 | 40 | 31 | 21 | 17 | 38 | 48 | 2233 | 15950 |
| 2025 | 06 | 22 | 08 | 1524 | 573 | 2579 | 1524 | 2177 | 2616 | 2460 | 24 | 27 | 30 | 33 | 27 | 27 | 24 | 40 | 2245 | 15930 |
| 2025 | 06 | 22 | 07 | 1523 | 571 | 1741 | 1670 | 2586 | 2916 | 2426 | 36 | 25 | 32 | 36 | 27 | 26 | 28 | 40 | 2229 | 15912 |
| 2025 | 06 | 22 | 06 | 1519 | 572 | 2748 | 1975 | 2109 | 2157 | 2345 | 32 | 27 | 34 | 34 | 28 | 30 | 34 | 39 | 2200 | 15883 |
| 2025 | 06 | 22 | 05 | 1519 | 571 | 2724 | 2171 | 1681 | 2623 | 2122 | 32 | 30 | 22 | 34 | 21 | 29 | 49 | 30 | 2195 | 15853 |
| 2025 | 06 | 22 | 04 | 1517 | 571 | 2309 | 1737 | 2203 | 2782 | 2281 | 28 | 19 | 29 | 39 | 25 | 38 | 38 | 42 | 2169 | 15827 |
| 2025 | 06 | 22 | 03 | 1516 | 570 | 1964 | 2072 | 2227 | 2734 | 2309 | 25 | 29 | 33 | 25 | 34 | 33 | 30 | 41 | 2161 | 15803 |
| 2025 | 06 | 22 | 02 | 1520 | 570 | 2439 | 1646 | 2288 | 2313 | 2591 | 25 | 30 | 37 | 18 | 31 | 29 | 46 | 35 | 2148 | 15766 |
| 2025 | 06 | 22 | 01 | 1520 | 571 | 1876 | 1778 | 2243 | 2426 | 2923 | 34 | 30 | 36 | 30 | 22 | 26 | 34 | 39 | 2118 | 15706 |
| 2025 | 06 | 22 | 00 | 1528 | 575 | 1777 | 1820 | 1967 | 2415 | 3483 | 24 | 33 | 40 | 20 | 23 | 31 | 40 | 45 | 2313 | 16134 |
| 2025 | 06 | 21 | 23 | 1526 | 574 | 2624 | 1884 | 2331 | 2214 | 2408 | 19 | 29 | 35 | 32 | 35 | 31 | 39 | 38 | 2307 | 16126 |
| 2025 | 06 | 21 | 22 | 1524 | 575 | 2183 | 1992 | 2358 | 2790 | 2130 | 28 | 30 | 31 | 25 | 28 | 29 | 35 | 51 | 2311 | 16120 |
| 2025 | 06 | 21 | 21 | 1522 | 575 | 2251 | 1912 | 1871 | 2223 | 3203 | 27 | 32 | 30 | 25 | 33 | 28 | 35 | 46 | 2300 | 16113 |
| 2025 | 06 | 21 | 20 | 1525 | 575 | 2188 | 2105 | 1853 | 2253 | 3046 | 25 | 32 | 29 | 32 | 28 | 21 | 39 | 38 | 2319 | 16108 |
| 2025 | 06 | 21 | 19 | 1527 | 575 | 1761 | 1885 | 2208 | 2460 | 3130 | 26 | 28 | 34 | 29 | 26 | 37 | 42 | 42 | 2290 | 16100 |
| 2025 | 06 | 21 | 18 | 1527 | 574 | 1929 | 1940 | 2350 | 2136 | 3084 | 27 | 33 | 33 | 26 | 31 | 32 | 28 | 46 | 2296 | 16092 |
| 2025 | 06 | 21 | 17 | 1527 | 573 | 2300 | 1815 | 1846 | 2424 | 3054 | 23 | 27 | 33 | 34 | 23 | 30 | 41 | 35 | 2299 | 16084 |
| 2025 | 06 | 21 | 16 | 1526 | 572 | 1988 | 1992 | 2383 | 2772 | 2289 | 27 | 27 | 43 | 23 | 25 | 21 | 47 | 43 | 2289 | 16067 |
| 2025 | 06 | 21 | 15 | 1523 | 572 | 2300 | 2264 | 2121 | 2550 | 2187 | 35 | 26 | 32 | 27 | 35 | 23 | 30 | 42 | 2283 | 16050 |
| 2025 | 06 | 21 | 14 | 1522 | 571 | 2175 | 1659 | 2018 | 3070 | 2491 | 22 | 32 | 31 | 26 | 35 | 32 | 38 | 37 | 2276 | 16035 |
| 2025 | 06 | 21 | 13 | 1526 | 571 | 2595 | 1902 | 1843 | 2521 | 2536 | 34 | 29 | 40 | 21 | 19 | 32 | 37 | 37 | 2277 | 16020 |
| 2025 | 06 | 21 | 12 | 1524 | 571 | 2284 | 2049 | 2077 | 2487 | 2490 | 22 | 21 | 33 | 27 | 28 | 20 | 42 | 37 | 2291 | 16003 |
| 2025 | 06 | 21 | 11 | 1523 | 568 | 2558 | 1657 | 2246 | 1916 | 2997 | 31 | 33 | 37 | 22 | 32 | 24 | 44 | 30 | 2249 | 15967 |
| 2025 | 06 | 21 | 10 | 1523 | 568 | 2558 | 1657 | 2246 | 1916 | 2997 | 31 | 33 | 37 | 22 | 32 | 24 | 44 | 30 | 2249 | 15967 |
| 2025 | 06 | 21 | 09 | 1522 | 570 | 2427 | 1695 | 2448 | 2398 | 2402 | 32 | 28 | 40 | 21 | 24 | 35 | 37 | 38 | 2245 | 15962 |
| 2025 | 06 | 21 | 08 | 1522 | 569 | 2045 | 1780 | 2136 | 3000 | 2405 | 34 | 25 | 41 | 24 | 27 | 32 | 31 | 38 | 2240 | 15949 |
| 2025 | 06 | 21 | 07 | 1526 | 566 | 1635 | 2330 | 2046 | 2815 | 2523 | 24 | 32 | 32 | 29 | 35 | 35 | 23 | 43 | 2234 | 15928 |
| 2025 | 06 | 21 | 06 | 1526 | 566 | 1906 | 1460 | 2517 | 2117 | 3333 | 27 | 25 | 42 | 29 | 32 | 24 | 27 | 43 | 2227 | 15901 |
| 2025 | 06 | 21 | 05 | 1526 | 566 | 1879 | 1751 | 2408 | 3104 | 2176 | 29 | 24 | 35 | 25 | 24 | 33 | 33 | 41 | 2220 | 15874 |
| 2025 | 06 | 21 | 04 | 1524 | 565 | 1868 | 2036 | 2110 | 2500 | 2794 | 23 | 23 | 29 | 38 | 28 | 28 | 32 | 45 | 2196 | 15839 |
| 2025 | 06 | 21 | 03 | 1525 | 564 | 2015 | 1730 | 1869 | 2949 | 2739 | 24 | 27 | 38 | 32 | 32 | 33 | 22 | 44 | 2173 | 15816 |