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 | 12 | 07 | 12 | 1555 | 606 | 2043 | 2076 | 1866 | 2677 | 2517 | 29 | 30 | 21 | 25 | 26 | 27 | 43 | 45 | 2266 | 15852 |
| 2025 | 12 | 07 | 11 | 1556 | 606 | 2237 | 2048 | 1970 | 2487 | 2430 | 22 | 35 | 30 | 36 | 21 | 23 | 30 | 47 | 2266 | 15844 |
| 2025 | 12 | 07 | 10 | 1556 | 606 | 2592 | 1808 | 2383 | 1838 | 2543 | 29 | 31 | 28 | 27 | 15 | 32 | 27 | 42 | 2273 | 15830 |
| 2025 | 12 | 07 | 09 | 1555 | 606 | 2319 | 2055 | 2276 | 2235 | 2270 | 23 | 34 | 31 | 28 | 22 | 25 | 33 | 44 | 2256 | 15812 |
| 2025 | 12 | 07 | 08 | 1556 | 604 | 2465 | 1622 | 2568 | 1642 | 2847 | 26 | 32 | 28 | 29 | 21 | 26 | 35 | 47 | 2244 | 15792 |
| 2025 | 12 | 07 | 07 | 1554 | 604 | 2330 | 1927 | 2752 | 1998 | 2132 | 21 | 31 | 33 | 33 | 18 | 25 | 36 | 42 | 2237 | 15773 |
| 2025 | 12 | 07 | 06 | 1550 | 606 | 2214 | 1455 | 2125 | 2488 | 2853 | 18 | 30 | 37 | 28 | 27 | 29 | 36 | 39 | 2213 | 15748 |
| 2025 | 12 | 07 | 05 | 1554 | 606 | 2180 | 2071 | 2303 | 1846 | 2716 | 30 | 36 | 29 | 20 | 19 | 25 | 35 | 43 | 2206 | 15719 |
| 2025 | 12 | 07 | 04 | 1554 | 606 | 1748 | 2077 | 2169 | 2200 | 2910 | 33 | 23 | 29 | 31 | 20 | 21 | 36 | 49 | 2190 | 15696 |
| 2025 | 12 | 07 | 03 | 1552 | 606 | 2583 | 1747 | 2327 | 2116 | 2320 | 19 | 19 | 30 | 31 | 29 | 29 | 38 | 49 | 2172 | 15667 |
| 2025 | 12 | 07 | 02 | 1552 | 606 | 2612 | 1806 | 2197 | 1882 | 2580 | 15 | 33 | 28 | 29 | 30 | 27 | 40 | 42 | 2148 | 15627 |
| 2025 | 12 | 07 | 01 | 1550 | 605 | 2101 | 1970 | 2098 | 2766 | 2121 | 23 | 23 | 33 | 29 | 29 | 27 | 40 | 40 | 2103 | 15558 |
| 2025 | 12 | 07 | 00 | 1560 | 606 | 2338 | 1838 | 2702 | 2154 | 2216 | 25 | 27 | 23 | 36 | 25 | 27 | 34 | 53 | 2344 | 16008 |
| 2025 | 12 | 06 | 23 | 1556 | 608 | 2606 | 1839 | 1568 | 2917 | 2313 | 18 | 25 | 40 | 23 | 20 | 29 | 39 | 56 | 2343 | 16000 |
| 2025 | 12 | 06 | 22 | 1556 | 608 | 2050 | 2180 | 2288 | 2483 | 2236 | 26 | 25 | 37 | 23 | 23 | 36 | 32 | 48 | 2339 | 15990 |
| 2025 | 12 | 06 | 21 | 1559 | 608 | 2001 | 1865 | 2264 | 1991 | 3115 | 26 | 32 | 32 | 29 | 18 | 31 | 40 | 38 | 2334 | 15983 |
| 2025 | 12 | 06 | 20 | 1558 | 608 | 1673 | 2122 | 2474 | 1816 | 3141 | 25 | 31 | 29 | 31 | 26 | 32 | 36 | 41 | 2334 | 15977 |
| 2025 | 12 | 06 | 19 | 1558 | 608 | 2301 | 1549 | 2092 | 2551 | 2733 | 23 | 20 | 27 | 32 | 31 | 34 | 40 | 42 | 2329 | 15970 |
| 2025 | 12 | 06 | 18 | 1559 | 607 | 2274 | 1809 | 1774 | 2601 | 2763 | 23 | 31 | 22 | 20 | 20 | 34 | 44 | 51 | 2329 | 15961 |
| 2025 | 12 | 06 | 17 | 1559 | 605 | 2620 | 1603 | 2310 | 2490 | 2200 | 22 | 25 | 28 | 27 | 34 | 31 | 31 | 40 | 2325 | 15950 |
| 2025 | 12 | 06 | 16 | 1557 | 607 | 2155 | 2031 | 2160 | 2533 | 2322 | 21 | 31 | 20 | 34 | 22 | 30 | 49 | 45 | 2319 | 15936 |
| 2025 | 12 | 06 | 15 | 1559 | 606 | 2420 | 1818 | 2491 | 2147 | 2319 | 19 | 25 | 33 | 29 | 36 | 36 | 33 | 34 | 2314 | 15919 |
| 2025 | 12 | 06 | 14 | 1558 | 607 | 2105 | 2170 | 2164 | 2609 | 2141 | 23 | 29 | 28 | 25 | 17 | 33 | 45 | 41 | 2305 | 15900 |
| 2025 | 12 | 06 | 13 | 1557 | 608 | 2041 | 1962 | 2819 | 2096 | 2257 | 25 | 25 | 29 | 37 | 28 | 27 | 34 | 39 | 2300 | 15884 |
| 2025 | 12 | 06 | 12 | 1557 | 608 | 2292 | 1940 | 2274 | 2536 | 2130 | 26 | 19 | 29 | 33 | 30 | 30 | 32 | 48 | 2283 | 15867 |
| 2025 | 12 | 06 | 11 | 1559 | 608 | 1641 | 1928 | 2730 | 2696 | 2171 | 23 | 32 | 34 | 25 | 24 | 25 | 38 | 47 | 2274 | 15855 |
| 2025 | 12 | 06 | 10 | 1559 | 607 | 1654 | 2072 | 2501 | 2273 | 2662 | 24 | 22 | 46 | 26 | 26 | 33 | 30 | 49 | 2254 | 15838 |
| 2025 | 12 | 06 | 09 | 1558 | 607 | 1712 | 2078 | 2365 | 2125 | 2872 | 27 | 24 | 27 | 33 | 18 | 22 | 41 | 53 | 2258 | 15820 |
| 2025 | 12 | 06 | 08 | 1556 | 606 | 2300 | 2126 | 2333 | 1808 | 2580 | 29 | 34 | 22 | 30 | 22 | 27 | 37 | 44 | 2251 | 15805 |
| 2025 | 12 | 06 | 07 | 1557 | 605 | 1575 | 1508 | 2855 | 2872 | 2330 | 24 | 22 | 27 | 32 | 27 | 30 | 39 | 50 | 2224 | 15777 |
| 2025 | 12 | 06 | 06 | 1559 | 605 | 2246 | 1991 | 2386 | 2005 | 2499 | 25 | 33 | 32 | 31 | 25 | 23 | 33 | 41 | 2205 | 15739 |
| 2025 | 12 | 06 | 05 | 1558 | 605 | 2164 | 2026 | 2067 | 2868 | 1996 | 21 | 22 | 37 | 23 | 17 | 33 | 41 | 49 | 2191 | 15718 |
| 2025 | 12 | 06 | 04 | 1555 | 605 | 2547 | 1982 | 2301 | 1843 | 2440 | 23 | 30 | 30 | 25 | 25 | 31 | 38 | 40 | 2183 | 15698 |
| 2025 | 12 | 06 | 03 | 1555 | 606 | 2276 | 2078 | 2153 | 2568 | 2027 | 26 | 21 | 32 | 29 | 28 | 31 | 32 | 42 | 2164 | 15668 |
| 2025 | 12 | 06 | 02 | 1556 | 605 | 1969 | 1730 | 2159 | 3086 | 2141 | 20 | 27 | 41 | 29 | 30 | 25 | 31 | 45 | 2139 | 15633 |
| 2025 | 12 | 06 | 01 | 1553 | 605 | 2180 | 1498 | 2434 | 2172 | 2759 | 28 | 28 | 28 | 30 | 18 | 38 | 32 | 39 | 2105 | 15547 |
| 2025 | 12 | 06 | 00 | 1562 | 606 | 2348 | 1953 | 2545 | 2176 | 2239 | 22 | 23 | 40 | 23 | 27 | 39 | 27 | 46 | 2379 | 16055 |
| 2025 | 12 | 05 | 23 | 1561 | 607 | 2081 | 1626 | 2534 | 2941 | 2073 | 29 | 25 | 33 | 40 | 29 | 30 | 24 | 41 | 2373 | 16047 |
| 2025 | 12 | 05 | 22 | 1562 | 607 | 2585 | 2014 | 2007 | 2147 | 2499 | 23 | 30 | 25 | 36 | 29 | 33 | 32 | 40 | 2374 | 16043 |
| 2025 | 12 | 05 | 21 | 1559 | 604 | 2085 | 1785 | 1707 | 2291 | 3381 | 25 | 25 | 34 | 35 | 18 | 31 | 37 | 45 | 2371 | 16033 |
| 2025 | 12 | 05 | 20 | 1557 | 604 | 2107 | 1818 | 2138 | 2654 | 2529 | 17 | 37 | 35 | 29 | 22 | 36 | 29 | 40 | 2370 | 16022 |
| 2025 | 12 | 05 | 19 | 1557 | 605 | 2286 | 1833 | 2458 | 1713 | 2950 | 26 | 27 | 31 | 26 | 23 | 30 | 35 | 42 | 2366 | 16008 |
| 2025 | 12 | 05 | 18 | 1556 | 605 | 1883 | 1691 | 2015 | 2606 | 3041 | 18 | 32 | 31 | 32 | 17 | 35 | 36 | 45 | 2358 | 16001 |
| 2025 | 12 | 05 | 17 | 1557 | 604 | 2190 | 1910 | 2102 | 2113 | 2920 | 23 | 29 | 31 | 27 | 24 | 36 | 29 | 44 | 2350 | 15989 |
| 2025 | 12 | 05 | 16 | 1558 | 604 | 2195 | 1523 | 2659 | 2282 | 2567 | 14 | 30 | 23 | 35 | 27 | 29 | 32 | 52 | 2348 | 15978 |
| 2025 | 12 | 05 | 15 | 1558 | 605 | 1392 | 1765 | 2190 | 3252 | 2621 | 26 | 22 | 30 | 29 | 22 | 37 | 39 | 41 | 2333 | 15962 |
| 2025 | 12 | 05 | 14 | 1555 | 605 | 2488 | 1860 | 2113 | 2045 | 2712 | 22 | 23 | 26 | 25 | 33 | 32 | 31 | 46 | 2332 | 15948 |
| 2025 | 12 | 05 | 13 | 1556 | 604 | 2695 | 1829 | 2289 | 2110 | 2283 | 22 | 34 | 37 | 35 | 19 | 28 | 35 | 36 | 2322 | 15934 |