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 | 08 | 18 | 1684 | 678 | 2876 | 167 | 2705 | 2803 | 2541 | 33 | 26 | 34 | 36 | 20 | 25 | 49 | 46 | 4843 | 18566 |
| 2026 | 09 | 08 | 17 | 1684 | 678 | 2645 | 176 | 2700 | 2100 | 3465 | 30 | 22 | 32 | 27 | 29 | 31 | 42 | 61 | 4825 | 18547 |
| 2026 | 09 | 08 | 16 | 1681 | 678 | 2749 | 66 | 2046 | 3272 | 2850 | 29 | 20 | 32 | 34 | 27 | 26 | 49 | 58 | 4919 | 18536 |
| 2026 | 09 | 08 | 15 | 1674 | 678 | 2665 | 73 | 2764 | 2371 | 3221 | 15 | 27 | 22 | 22 | 29 | 38 | 31 | 53 | 2545 | 16228 |
| 2026 | 09 | 08 | 14 | 1680 | 678 | 1857 | 1879 | 1707 | 3139 | 2505 | 23 | 21 | 24 | 27 | 21 | 32 | 41 | 54 | 2523 | 16211 |
| 2026 | 09 | 08 | 13 | 1681 | 677 | 2066 | 1732 | 2243 | 2439 | 2596 | 23 | 24 | 24 | 22 | 28 | 23 | 42 | 52 | 2522 | 16194 |
| 2026 | 09 | 08 | 12 | 1681 | 677 | 2544 | 1932 | 1726 | 2020 | 2850 | 31 | 26 | 26 | 28 | 15 | 25 | 28 | 57 | 2506 | 16172 |
| 2026 | 09 | 08 | 11 | 1679 | 675 | 2662 | 1429 | 2440 | 2227 | 2307 | 27 | 21 | 27 | 27 | 27 | 26 | 40 | 48 | 2495 | 16157 |
| 2026 | 09 | 08 | 10 | 1679 | 675 | 2443 | 1903 | 2282 | 1998 | 2434 | 38 | 21 | 19 | 26 | 22 | 32 | 35 | 47 | 2485 | 16139 |
| 2026 | 09 | 08 | 09 | 1680 | 676 | 1729 | 1964 | 2400 | 2704 | 2250 | 25 | 28 | 28 | 24 | 25 | 29 | 35 | 55 | 2467 | 16119 |
| 2026 | 09 | 08 | 08 | 1676 | 676 | 1773 | 1989 | 2144 | 2333 | 2802 | 20 | 29 | 24 | 24 | 17 | 24 | 37 | 59 | 2472 | 16099 |
| 2026 | 09 | 08 | 07 | 1676 | 676 | 2107 | 1747 | 2221 | 2452 | 2508 | 17 | 22 | 26 | 24 | 20 | 27 | 40 | 57 | 2460 | 16080 |
| 2026 | 09 | 08 | 06 | 1679 | 676 | 1518 | 1770 | 2492 | 3042 | 2203 | 19 | 25 | 25 | 24 | 30 | 23 | 39 | 48 | 2445 | 16058 |
| 2026 | 09 | 08 | 05 | 1680 | 676 | 2174 | 2039 | 2001 | 2511 | 2287 | 23 | 22 | 19 | 27 | 29 | 18 | 37 | 66 | 2415 | 16024 |
| 2026 | 09 | 08 | 04 | 1678 | 676 | 2552 | 1618 | 1917 | 2151 | 2770 | 22 | 21 | 26 | 27 | 31 | 28 | 37 | 51 | 2395 | 16000 |
| 2026 | 09 | 08 | 03 | 1677 | 675 | 1520 | 1737 | 2371 | 2882 | 2487 | 22 | 20 | 23 | 22 | 28 | 36 | 38 | 59 | 2368 | 15965 |
| 2026 | 09 | 08 | 02 | 1678 | 676 | 2249 | 1826 | 2151 | 2112 | 2638 | 18 | 19 | 25 | 23 | 36 | 30 | 41 | 52 | 2353 | 15927 |
| 2026 | 09 | 08 | 01 | 1673 | 676 | 2062 | 1574 | 2430 | 2033 | 2853 | 24 | 26 | 23 | 32 | 25 | 22 | 40 | 47 | 2325 | 15865 |
| 2026 | 09 | 08 | 00 | 1675 | 677 | 2284 | 1898 | 1576 | 2593 | 2789 | 26 | 27 | 26 | 27 | 16 | 25 | 39 | 55 | 2588 | 16321 |
| 2026 | 09 | 07 | 23 | 1676 | 677 | 2217 | 1731 | 2076 | 2503 | 2612 | 16 | 21 | 20 | 32 | 20 | 31 | 48 | 64 | 2573 | 16317 |
| 2026 | 09 | 07 | 22 | 1680 | 676 | 1834 | 2283 | 2089 | 2321 | 2595 | 21 | 21 | 22 | 32 | 26 | 35 | 46 | 49 | 2571 | 16301 |
| 2026 | 09 | 07 | 21 | 1681 | 676 | 2064 | 1940 | 2408 | 2027 | 2675 | 18 | 29 | 22 | 32 | 33 | 24 | 43 | 49 | 2567 | 16288 |
| 2026 | 09 | 07 | 20 | 1680 | 675 | 2419 | 1931 | 1828 | 2298 | 2636 | 20 | 25 | 24 | 30 | 24 | 32 | 37 | 57 | 2566 | 16282 |
| 2026 | 09 | 07 | 19 | 1680 | 675 | 1868 | 2006 | 1734 | 2731 | 2763 | 29 | 19 | 23 | 33 | 17 | 28 | 36 | 57 | 2564 | 16263 |
| 2026 | 09 | 07 | 18 | 1677 | 676 | 1798 | 1656 | 2551 | 2453 | 2638 | 23 | 22 | 23 | 23 | 30 | 24 | 37 | 61 | 2562 | 16254 |
| 2026 | 09 | 07 | 17 | 1674 | 676 | 1796 | 1719 | 1793 | 2886 | 2902 | 12 | 33 | 21 | 24 | 28 | 29 | 43 | 53 | 2554 | 16243 |
| 2026 | 09 | 07 | 16 | 1672 | 676 | 2145 | 1768 | 2262 | 2010 | 2909 | 20 | 15 | 31 | 23 | 24 | 26 | 40 | 68 | 2540 | 16229 |
| 2026 | 09 | 07 | 15 | 1674 | 676 | 1968 | 1790 | 2628 | 2256 | 2440 | 24 | 24 | 26 | 25 | 31 | 22 | 42 | 53 | 2534 | 16213 |
| 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 |