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 | 08 | 12 | 21 | 1675 | 666 | 2429 | 2052 | 1858 | 2531 | 2248 | 22 | 37 | 31 | 29 | 28 | 28 | 37 | 44 | 2471 | 16186 |
| 2026 | 08 | 12 | 20 | 1674 | 665 | 2164 | 1683 | 2448 | 2483 | 2328 | 22 | 19 | 34 | 30 | 22 | 35 | 41 | 57 | 2463 | 16168 |
| 2026 | 08 | 12 | 19 | 1676 | 666 | 1640 | 1891 | 2607 | 2624 | 2335 | 26 | 29 | 30 | 39 | 29 | 18 | 35 | 47 | 2466 | 16158 |
| 2026 | 08 | 12 | 18 | 1673 | 666 | 1964 | 2008 | 2247 | 2370 | 2507 | 20 | 24 | 23 | 34 | 44 | 16 | 41 | 53 | 2456 | 16146 |
| 2026 | 08 | 12 | 17 | 1673 | 666 | 1798 | 1728 | 2438 | 2416 | 2711 | 31 | 20 | 34 | 29 | 27 | 28 | 35 | 50 | 2451 | 16135 |
| 2026 | 08 | 12 | 16 | 1675 | 666 | 2359 | 1932 | 2328 | 2220 | 2244 | 27 | 20 | 39 | 32 | 32 | 34 | 29 | 47 | 2434 | 16118 |
| 2026 | 08 | 12 | 15 | 1675 | 666 | 1991 | 2010 | 2282 | 2504 | 2288 | 30 | 21 | 28 | 28 | 35 | 29 | 39 | 49 | 2419 | 16094 |
| 2026 | 08 | 12 | 14 | 1673 | 665 | 2686 | 1850 | 1898 | 2452 | 2185 | 27 | 24 | 23 | 24 | 34 | 34 | 39 | 49 | 2417 | 16080 |
| 2026 | 08 | 12 | 13 | 1672 | 665 | 1487 | 1820 | 2193 | 2888 | 2673 | 27 | 26 | 23 | 22 | 30 | 37 | 27 | 58 | 2412 | 16060 |
| 2026 | 08 | 12 | 12 | 1676 | 666 | 2236 | 1735 | 2451 | 2192 | 2424 | 24 | 23 | 26 | 27 | 35 | 31 | 42 | 45 | 2404 | 16037 |
| 2026 | 08 | 12 | 11 | 1671 | 665 | 2146 | 1695 | 2387 | 2156 | 2655 | 28 | 21 | 32 | 29 | 25 | 24 | 42 | 47 | 2396 | 16019 |
| 2026 | 08 | 12 | 10 | 1672 | 665 | 2395 | 1758 | 2526 | 1660 | 2690 | 24 | 30 | 31 | 36 | 22 | 27 | 46 | 35 | 2384 | 16001 |
| 2026 | 08 | 12 | 09 | 1673 | 663 | 2218 | 1928 | 2554 | 2326 | 1992 | 21 | 23 | 26 | 34 | 37 | 32 | 38 | 45 | 2374 | 15984 |
| 2026 | 08 | 12 | 08 | 1672 | 663 | 2052 | 1849 | 2127 | 2432 | 2557 | 24 | 28 | 22 | 30 | 28 | 32 | 37 | 45 | 2363 | 15961 |
| 2026 | 08 | 12 | 07 | 1672 | 663 | 1887 | 1514 | 2192 | 2916 | 2495 | 22 | 27 | 28 | 25 | 33 | 28 | 37 | 42 | 2354 | 15935 |
| 2026 | 08 | 12 | 06 | 1672 | 663 | 2166 | 1545 | 2158 | 2145 | 2976 | 24 | 15 | 23 | 29 | 41 | 33 | 39 | 49 | 2334 | 15912 |
| 2026 | 08 | 12 | 05 | 1672 | 663 | 2042 | 1840 | 2420 | 2291 | 2383 | 23 | 24 | 32 | 26 | 32 | 32 | 36 | 45 | 2326 | 15887 |
| 2026 | 08 | 12 | 04 | 1670 | 662 | 2214 | 1959 | 2318 | 2336 | 2132 | 34 | 32 | 29 | 24 | 22 | 28 | 36 | 47 | 2307 | 15850 |
| 2026 | 08 | 12 | 03 | 1669 | 661 | 1633 | 2446 | 1727 | 2443 | 2700 | 24 | 28 | 27 | 28 | 25 | 41 | 36 | 51 | 2284 | 15823 |
| 2026 | 08 | 12 | 02 | 1670 | 660 | 1918 | 1791 | 2666 | 1706 | 2844 | 22 | 22 | 33 | 21 | 33 | 30 | 39 | 48 | 2266 | 15769 |
| 2026 | 08 | 12 | 01 | 1662 | 660 | 1945 | 1641 | 2519 | 2134 | 2656 | 21 | 27 | 39 | 31 | 31 | 29 | 32 | 45 | 2231 | 15703 |
| 2026 | 08 | 12 | 00 | 1677 | 669 | 2411 | 1567 | 2157 | 2098 | 2932 | 27 | 23 | 27 | 29 | 36 | 37 | 29 | 53 | 2479 | 16251 |
| 2026 | 08 | 11 | 23 | 1677 | 670 | 1927 | 1804 | 2567 | 2305 | 2561 | 29 | 22 | 32 | 24 | 32 | 27 | 41 | 55 | 2472 | 16245 |
| 2026 | 08 | 11 | 22 | 1675 | 670 | 1629 | 1799 | 2403 | 2408 | 2920 | 28 | 20 | 34 | 25 | 33 | 33 | 44 | 44 | 2474 | 16239 |
| 2026 | 08 | 11 | 21 | 1675 | 670 | 2259 | 1863 | 2088 | 2731 | 2215 | 24 | 25 | 28 | 36 | 26 | 28 | 36 | 51 | 2472 | 16227 |
| 2026 | 08 | 11 | 20 | 1676 | 670 | 2126 | 1762 | 2198 | 2160 | 2908 | 22 | 28 | 32 | 30 | 25 | 32 | 38 | 51 | 2460 | 16218 |
| 2026 | 08 | 11 | 19 | 1675 | 669 | 2123 | 1640 | 2817 | 2078 | 2483 | 36 | 20 | 25 | 29 | 25 | 28 | 41 | 47 | 2467 | 16203 |
| 2026 | 08 | 11 | 18 | 1673 | 667 | 2488 | 1980 | 1992 | 2128 | 2543 | 22 | 32 | 36 | 27 | 21 | 29 | 38 | 49 | 2466 | 16191 |
| 2026 | 08 | 11 | 17 | 1670 | 667 | 1526 | 2315 | 1876 | 2868 | 2544 | 16 | 24 | 33 | 25 | 34 | 27 | 37 | 46 | 2465 | 16173 |
| 2026 | 08 | 11 | 16 | 1670 | 668 | 2152 | 1581 | 1887 | 2177 | 3320 | 16 | 29 | 32 | 28 | 33 | 30 | 44 | 40 | 2458 | 16165 |
| 2026 | 08 | 11 | 15 | 1673 | 668 | 2351 | 1598 | 2429 | 1922 | 2807 | 29 | 23 | 22 | 33 | 26 | 24 | 37 | 51 | 2456 | 16149 |
| 2026 | 08 | 11 | 14 | 1674 | 668 | 2287 | 1587 | 1966 | 2992 | 2271 | 25 | 34 | 17 | 29 | 22 | 25 | 35 | 59 | 2450 | 16141 |
| 2026 | 08 | 11 | 13 | 1672 | 668 | 2010 | 1720 | 2451 | 2572 | 2342 | 31 | 25 | 29 | 41 | 28 | 27 | 29 | 49 | 2431 | 16125 |
| 2026 | 08 | 11 | 12 | 1672 | 667 | 2249 | 2090 | 2124 | 2461 | 2164 | 23 | 31 | 32 | 32 | 39 | 25 | 30 | 46 | 2423 | 16108 |
| 2026 | 08 | 11 | 11 | 1672 | 667 | 2501 | 1733 | 2714 | 2205 | 1928 | 27 | 24 | 30 | 35 | 27 | 33 | 37 | 42 | 2406 | 16081 |
| 2026 | 08 | 11 | 10 | 1672 | 665 | 2174 | 1650 | 2660 | 2294 | 2296 | 30 | 27 | 30 | 30 | 20 | 30 | 40 | 50 | 2398 | 16066 |
| 2026 | 08 | 11 | 09 | 1672 | 666 | 1790 | 1870 | 2171 | 2212 | 3022 | 21 | 26 | 30 | 39 | 25 | 25 | 41 | 52 | 2388 | 16050 |
| 2026 | 08 | 11 | 08 | 1673 | 666 | 1634 | 1686 | 2998 | 2086 | 2650 | 23 | 24 | 33 | 29 | 32 | 24 | 38 | 50 | 2384 | 16030 |
| 2026 | 08 | 11 | 07 | 1670 | 664 | 1641 | 1861 | 2254 | 2701 | 2595 | 24 | 24 | 36 | 27 | 30 | 26 | 42 | 43 | 2371 | 16009 |
| 2026 | 08 | 11 | 06 | 1669 | 664 | 2102 | 2012 | 1712 | 2758 | 2454 | 22 | 26 | 27 | 24 | 29 | 26 | 35 | 51 | 2368 | 15979 |
| 2026 | 08 | 11 | 05 | 1667 | 664 | 1490 | 1819 | 2831 | 2455 | 2437 | 25 | 27 | 29 | 40 | 26 | 30 | 34 | 50 | 2334 | 15958 |
| 2026 | 08 | 11 | 04 | 1666 | 663 | 1461 | 1852 | 2504 | 2543 | 2662 | 29 | 26 | 31 | 31 | 31 | 25 | 27 | 55 | 2320 | 15926 |
| 2026 | 08 | 11 | 03 | 1664 | 663 | 2039 | 1870 | 2822 | 1687 | 2595 | 20 | 29 | 26 | 30 | 29 | 27 | 43 | 53 | 2299 | 15896 |
| 2026 | 08 | 11 | 02 | 1665 | 663 | 2102 | 1820 | 2756 | 1400 | 2909 | 42 | 17 | 37 | 31 | 26 | 26 | 33 | 41 | 2285 | 15853 |
| 2026 | 08 | 11 | 01 | 1667 | 663 | 2095 | 1984 | 2241 | 2431 | 2202 | 27 | 19 | 41 | 32 | 27 | 28 | 33 | 55 | 2241 | 15786 |
| 2026 | 08 | 11 | 00 | 1681 | 666 | 2159 | 1663 | 2593 | 2051 | 2695 | 28 | 26 | 27 | 40 | 31 | 30 | 36 | 53 | 2465 | 16244 |
| 2026 | 08 | 10 | 23 | 1677 | 666 | 1738 | 1658 | 2753 | 2378 | 2634 | 15 | 24 | 30 | 35 | 30 | 34 | 46 | 57 | 2459 | 16234 |
| 2026 | 08 | 10 | 22 | 1676 | 666 | 2436 | 1780 | 2333 | 2802 | 1806 | 28 | 20 | 26 | 35 | 24 | 25 | 47 | 53 | 2470 | 16227 |