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 |
| 2026 | 09 | 07 | 14 | 1676 | 676 | 2243 | 1831 | 2675 | 2063 | 2263 | 24 | 26 | 25 | 32 | 21 | 27 | 33 | 57 | 2520 | 16192 |
| 2026 | 09 | 07 | 13 | 1678 | 676 | 1970 | 1775 | 2482 | 1951 | 2884 | 24 | 31 | 24 | 20 | 33 | 29 | 38 | 51 | 2509 | 16175 |
| 2026 | 09 | 07 | 12 | 1677 | 674 | 1940 | 1862 | 1960 | 2415 | 2878 | 20 | 18 | 31 | 33 | 24 | 28 | 44 | 45 | 2509 | 16158 |
| 2026 | 09 | 07 | 11 | 1680 | 675 | 2564 | 1725 | 1569 | 2836 | 2349 | 22 | 28 | 21 | 26 | 28 | 25 | 43 | 56 | 2498 | 16145 |
| 2026 | 09 | 07 | 10 | 1677 | 675 | 2011 | 1927 | 1965 | 2360 | 2777 | 13 | 29 | 26 | 25 | 23 | 29 | 43 | 56 | 2490 | 16126 |
| 2026 | 09 | 07 | 09 | 1674 | 674 | 2011 | 1881 | 2224 | 2405 | 2518 | 26 | 22 | 29 | 36 | 19 | 24 | 37 | 48 | 2480 | 16108 |
| 2026 | 09 | 07 | 08 | 1675 | 674 | 1780 | 1871 | 1711 | 2222 | 3447 | 25 | 20 | 31 | 23 | 24 | 25 | 39 | 49 | 2469 | 16085 |
| 2026 | 09 | 07 | 07 | 1676 | 673 | 1668 | 2149 | 2128 | 2193 | 2888 | 27 | 20 | 27 | 34 | 25 | 26 | 28 | 56 | 2451 | 16069 |
| 2026 | 09 | 07 | 06 | 1675 | 673 | 2216 | 1797 | 2315 | 2192 | 2484 | 27 | 24 | 21 | 21 | 25 | 27 | 35 | 55 | 2445 | 16032 |
| 2026 | 09 | 07 | 05 | 1677 | 672 | 2147 | 1711 | 1849 | 2299 | 2979 | 26 | 20 | 28 | 31 | 20 | 33 | 39 | 45 | 2419 | 15995 |
| 2026 | 09 | 07 | 04 | 1677 | 673 | 2428 | 2016 | 1824 | 2510 | 2193 | 20 | 24 | 21 | 27 | 28 | 24 | 36 | 54 | 2406 | 15961 |
| 2026 | 09 | 07 | 03 | 1672 | 673 | 1905 | 2107 | 2334 | 2456 | 2164 | 21 | 15 | 23 | 25 | 19 | 28 | 43 | 55 | 2394 | 15934 |
| 2026 | 09 | 07 | 02 | 1670 | 673 | 1749 | 1829 | 2392 | 2012 | 2967 | 19 | 17 | 22 | 27 | 24 | 26 | 40 | 57 | 2367 | 15891 |
| 2026 | 09 | 07 | 01 | 1670 | 673 | 1845 | 1926 | 1711 | 2236 | 3198 | 29 | 22 | 31 | 25 | 26 | 18 | 35 | 55 | 2331 | 15831 |
| 2026 | 09 | 07 | 00 | 1677 | 676 | 2397 | 1866 | 2183 | 2115 | 2543 | 23 | 23 | 32 | 27 | 24 | 27 | 43 | 51 | 2534 | 16241 |
| 2026 | 09 | 06 | 23 | 1676 | 676 | 2171 | 2083 | 2158 | 1957 | 2729 | 24 | 25 | 27 | 26 | 19 | 29 | 46 | 47 | 2539 | 16232 |
| 2026 | 09 | 06 | 22 | 1678 | 674 | 1946 | 1847 | 2403 | 2535 | 2361 | 24 | 24 | 19 | 19 | 26 | 22 | 41 | 60 | 2542 | 16221 |
| 2026 | 09 | 06 | 21 | 1680 | 674 | 2291 | 1757 | 1953 | 2696 | 2389 | 23 | 15 | 22 | 33 | 27 | 32 | 41 | 50 | 2531 | 16214 |
| 2026 | 09 | 06 | 20 | 1678 | 675 | 2565 | 1520 | 2284 | 2172 | 2538 | 25 | 21 | 29 | 28 | 17 | 34 | 39 | 49 | 2529 | 16203 |
| 2026 | 09 | 06 | 19 | 1676 | 675 | 2566 | 1898 | 2026 | 1727 | 2863 | 22 | 13 | 24 | 23 | 30 | 34 | 44 | 57 | 2517 | 16195 |
| 2026 | 09 | 06 | 18 | 1676 | 675 | 2362 | 1842 | 2128 | 2207 | 2540 | 21 | 20 | 33 | 23 | 25 | 25 | 52 | 50 | 2504 | 16183 |
| 2026 | 09 | 06 | 17 | 1676 | 675 | 2175 | 1742 | 2423 | 2510 | 2219 | 17 | 30 | 32 | 25 | 25 | 24 | 26 | 63 | 2513 | 16175 |
| 2026 | 09 | 06 | 16 | 1675 | 675 | 2215 | 1852 | 2587 | 1941 | 2475 | 24 | 26 | 22 | 29 | 30 | 25 | 36 | 58 | 2494 | 16164 |
| 2026 | 09 | 06 | 15 | 1677 | 675 | 2506 | 1915 | 2317 | 2074 | 2243 | 23 | 16 | 30 | 22 | 25 | 24 | 40 | 58 | 2503 | 16148 |
| 2026 | 09 | 06 | 14 | 1677 | 674 | 1805 | 1935 | 2244 | 2408 | 2650 | 21 | 32 | 20 | 29 | 23 | 22 | 54 | 44 | 2491 | 16129 |
| 2026 | 09 | 06 | 13 | 1677 | 675 | 2294 | 1938 | 1811 | 1881 | 3115 | 24 | 17 | 28 | 31 | 18 | 31 | 44 | 52 | 2481 | 16117 |
| 2026 | 09 | 06 | 12 | 1678 | 675 | 1533 | 2346 | 2438 | 1905 | 2814 | 23 | 26 | 24 | 27 | 21 | 28 | 39 | 50 | 2478 | 16105 |
| 2026 | 09 | 06 | 11 | 1678 | 675 | 1652 | 1892 | 1928 | 2368 | 3185 | 28 | 19 | 24 | 31 | 23 | 27 | 35 | 50 | 2469 | 16084 |
| 2026 | 09 | 06 | 10 | 1678 | 675 | 2181 | 1612 | 2354 | 2256 | 2616 | 18 | 18 | 27 | 20 | 26 | 34 | 36 | 65 | 2448 | 16064 |
| 2026 | 09 | 06 | 09 | 1678 | 675 | 1729 | 1803 | 2316 | 2798 | 2366 | 18 | 19 | 31 | 27 | 24 | 35 | 38 | 56 | 2434 | 16047 |
| 2026 | 09 | 06 | 08 | 1677 | 675 | 1805 | 1504 | 2703 | 2120 | 2871 | 14 | 24 | 22 | 20 | 30 | 28 | 38 | 63 | 2429 | 16023 |
| 2026 | 09 | 06 | 07 | 1678 | 673 | 1772 | 1716 | 2489 | 1950 | 3059 | 34 | 17 | 24 | 40 | 13 | 26 | 31 | 69 | 2404 | 15995 |
| 2026 | 09 | 06 | 06 | 1678 | 673 | 2373 | 1732 | 2387 | 2271 | 2222 | 19 | 22 | 27 | 30 | 25 | 18 | 40 | 65 | 2392 | 15974 |
| 2026 | 09 | 06 | 05 | 1677 | 673 | 2915 | 1660 | 1950 | 1730 | 2716 | 22 | 27 | 29 | 23 | 27 | 25 | 31 | 49 | 2395 | 15949 |
| 2026 | 09 | 06 | 04 | 1673 | 672 | 2215 | 1896 | 2528 | 2030 | 2298 | 21 | 28 | 24 | 30 | 21 | 25 | 28 | 67 | 2358 | 15914 |
| 2026 | 09 | 06 | 03 | 1673 | 672 | 1680 | 1852 | 2178 | 2345 | 2905 | 29 | 18 | 21 | 30 | 22 | 31 | 35 | 55 | 2348 | 15894 |
| 2026 | 09 | 06 | 02 | 1674 | 672 | 1855 | 1771 | 2139 | 1979 | 3193 | 17 | 24 | 25 | 28 | 23 | 31 | 33 | 57 | 2337 | 15858 |
| 2026 | 09 | 06 | 01 | 1671 | 672 | 1868 | 1798 | 2857 | 2146 | 2247 | 19 | 16 | 37 | 24 | 26 | 26 | 45 | 54 | 2295 | 15801 |
| 2026 | 09 | 06 | 00 | 1681 | 673 | 1980 | 1981 | 2127 | 1981 | 3057 | 19 | 32 | 34 | 24 | 22 | 26 | 32 | 51 | 2546 | 16266 |
| 2026 | 09 | 05 | 23 | 1683 | 674 | 2341 | 1818 | 2278 | 1516 | 3162 | 25 | 24 | 29 | 27 | 18 | 27 | 33 | 59 | 2543 | 16257 |
| 2026 | 09 | 05 | 22 | 1681 | 673 | 1700 | 1640 | 2726 | 2099 | 2946 | 27 | 21 | 22 | 25 | 23 | 30 | 38 | 53 | 2546 | 16250 |
| 2026 | 09 | 05 | 21 | 1681 | 673 | 2105 | 1953 | 2037 | 2290 | 2720 | 22 | 27 | 28 | 33 | 19 | 23 | 40 | 47 | 2540 | 16238 |
| 2026 | 09 | 05 | 20 | 1679 | 673 | 2324 | 1786 | 2055 | 2247 | 2685 | 16 | 27 | 30 | 25 | 26 | 21 | 35 | 59 | 2541 | 16229 |
| 2026 | 09 | 05 | 19 | 1679 | 672 | 1732 | 2087 | 2408 | 2151 | 2723 | 25 | 21 | 22 | 28 | 21 | 30 | 36 | 58 | 2531 | 16224 |
| 2026 | 09 | 05 | 18 | 1680 | 673 | 2371 | 1903 | 1846 | 2371 | 2595 | 24 | 24 | 27 | 32 | 22 | 23 | 35 | 49 | 2539 | 16214 |
| 2026 | 09 | 05 | 17 | 1677 | 673 | 1996 | 1885 | 2204 | 2432 | 2568 | 30 | 20 | 20 | 35 | 33 | 26 | 28 | 56 | 2514 | 16197 |
| 2026 | 09 | 05 | 16 | 1680 | 673 | 1720 | 2003 | 2016 | 2380 | 2954 | 17 | 28 | 22 | 30 | 28 | 19 | 34 | 59 | 2516 | 16179 |
| 2026 | 09 | 05 | 15 | 1680 | 673 | 2236 | 1753 | 2489 | 1761 | 2828 | 17 | 17 | 25 | 42 | 27 | 25 | 35 | 51 | 2508 | 16167 |