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 | 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 |
| 2026 | 08 | 10 | 21 | 1676 | 664 | 2122 | 1719 | 2434 | 2397 | 2481 | 32 | 30 | 22 | 32 | 29 | 35 | 32 | 50 | 2463 | 16218 |
| 2026 | 08 | 10 | 20 | 1677 | 665 | 2329 | 1925 | 1911 | 2067 | 2916 | 28 | 22 | 33 | 29 | 31 | 26 | 38 | 46 | 2465 | 16208 |
| 2026 | 08 | 10 | 19 | 1680 | 665 | 2202 | 1768 | 1963 | 2790 | 2417 | 21 | 23 | 33 | 29 | 26 | 36 | 46 | 50 | 2453 | 16202 |
| 2026 | 08 | 10 | 18 | 1680 | 665 | 2990 | 1951 | 1470 | 1855 | 2872 | 20 | 23 | 20 | 31 | 35 | 27 | 49 | 56 | 2452 | 16196 |
| 2026 | 08 | 10 | 17 | 1680 | 665 | 2471 | 1672 | 1963 | 2582 | 2439 | 17 | 20 | 34 | 27 | 36 | 36 | 47 | 50 | 2444 | 16183 |
| 2026 | 08 | 10 | 16 | 1679 | 665 | 2199 | 2099 | 1731 | 2440 | 2651 | 20 | 41 | 25 | 30 | 25 | 27 | 41 | 41 | 2446 | 16160 |
| 2026 | 08 | 10 | 15 | 1678 | 665 | 2578 | 1588 | 2239 | 2463 | 2238 | 26 | 25 | 32 | 27 | 27 | 34 | 39 | 44 | 2437 | 16140 |
| 2026 | 08 | 10 | 14 | 1676 | 664 | 2488 | 1734 | 2493 | 2179 | 2210 | 23 | 30 | 37 | 32 | 19 | 28 | 36 | 50 | 2430 | 16129 |
| 2026 | 08 | 10 | 13 | 1676 | 665 | 2572 | 1652 | 2230 | 2220 | 2418 | 23 | 24 | 29 | 25 | 36 | 25 | 47 | 37 | 2434 | 16113 |
| 2026 | 08 | 10 | 12 | 1678 | 665 | 1979 | 1621 | 2224 | 2507 | 2749 | 26 | 21 | 25 | 23 | 31 | 35 | 41 | 50 | 2417 | 16092 |
| 2026 | 08 | 10 | 11 | 1675 | 665 | 2119 | 1948 | 2212 | 2397 | 2396 | 29 | 26 | 35 | 23 | 34 | 32 | 39 | 41 | 2409 | 16080 |
| 2026 | 08 | 10 | 10 | 1676 | 662 | 2593 | 1988 | 2260 | 1975 | 2255 | 23 | 35 | 30 | 29 | 35 | 33 | 39 | 33 | 2402 | 16068 |