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 | 08 | 01 | 1546 | 605 | 1973 | 2318 | 2395 | 1737 | 2629 | 23 | 31 | 26 | 31 | 34 | 20 | 35 | 44 | 2155 | 15602 |
| 2025 | 12 | 08 | 00 | 1554 | 606 | 2536 | 1655 | 2359 | 2134 | 2565 | 25 | 26 | 32 | 33 | 21 | 29 | 37 | 42 | 2387 | 16041 |
| 2025 | 12 | 07 | 23 | 1552 | 607 | 1969 | 2008 | 2322 | 2344 | 2610 | 21 | 32 | 29 | 29 | 30 | 27 | 30 | 44 | 2379 | 16033 |
| 2025 | 12 | 07 | 22 | 1554 | 607 | 2436 | 1626 | 2555 | 2265 | 2365 | 19 | 27 | 31 | 37 | 14 | 39 | 40 | 33 | 2377 | 16025 |
| 2025 | 12 | 07 | 21 | 1553 | 607 | 2157 | 2072 | 2302 | 2164 | 2550 | 37 | 22 | 32 | 33 | 26 | 21 | 31 | 41 | 2364 | 16012 |
| 2025 | 12 | 07 | 20 | 1552 | 607 | 2039 | 1724 | 2175 | 2673 | 2624 | 22 | 34 | 30 | 20 | 25 | 30 | 30 | 45 | 2370 | 16000 |
| 2025 | 12 | 07 | 19 | 1554 | 607 | 1831 | 2026 | 2659 | 2419 | 2293 | 27 | 27 | 23 | 36 | 28 | 25 | 32 | 48 | 2358 | 15993 |
| 2025 | 12 | 07 | 18 | 1556 | 607 | 2357 | 1792 | 2101 | 2158 | 2805 | 20 | 27 | 36 | 28 | 27 | 30 | 33 | 40 | 2355 | 15972 |
| 2025 | 12 | 07 | 17 | 1554 | 605 | 2147 | 1702 | 2341 | 2184 | 2842 | 12 | 24 | 34 | 29 | 25 | 33 | 43 | 41 | 2348 | 15964 |
| 2025 | 12 | 07 | 16 | 1556 | 607 | 2218 | 1735 | 3050 | 2057 | 2149 | 22 | 26 | 28 | 36 | 19 | 25 | 38 | 41 | 2353 | 15960 |
| 2025 | 12 | 07 | 15 | 1554 | 605 | 1973 | 1867 | 2097 | 2986 | 2273 | 22 | 21 | 29 | 25 | 25 | 32 | 33 | 47 | 2303 | 15892 |
| 2025 | 12 | 07 | 14 | 1557 | 606 | 2527 | 1624 | 1793 | 2530 | 2713 | 25 | 19 | 27 | 35 | 29 | 29 | 32 | 50 | 2286 | 15882 |
| 2025 | 12 | 07 | 13 | 1554 | 606 | 2850 | 1808 | 1757 | 2407 | 2362 | 17 | 29 | 25 | 28 | 21 | 34 | 39 | 40 | 2287 | 15864 |
| 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 |