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 | 09 | 18 | 06 | 1546 | 592 | 2138 | 1464 | 2398 | 2570 | 2663 | 22 | 26 | 30 | 28 | 38 | 32 | 29 | 39 | 2192 | 15807 |
| 2025 | 09 | 18 | 05 | 1543 | 590 | 2370 | 1689 | 2272 | 2298 | 2582 | 34 | 28 | 25 | 28 | 34 | 22 | 40 | 38 | 2142 | 15735 |
| 2025 | 09 | 18 | 04 | 1543 | 590 | 2370 | 1689 | 2272 | 2298 | 2582 | 34 | 28 | 25 | 28 | 34 | 22 | 40 | 38 | 2142 | 15735 |
| 2025 | 09 | 18 | 03 | 1542 | 591 | 2745 | 1668 | 2145 | 1991 | 2645 | 27 | 20 | 36 | 40 | 30 | 30 | 38 | 21 | 2119 | 15688 |
| 2025 | 09 | 18 | 02 | 1537 | 587 | 2645 | 1452 | 2367 | 2790 | 1790 | 28 | 30 | 29 | 22 | 32 | 35 | 34 | 28 | 1987 | 15393 |
| 2025 | 09 | 18 | 01 | 1537 | 587 | 2645 | 1452 | 2367 | 2790 | 1790 | 28 | 30 | 29 | 22 | 32 | 35 | 34 | 28 | 1987 | 15393 |
| 2025 | 09 | 18 | 00 | 1550 | 592 | 2062 | 1989 | 2263 | 2769 | 2268 | 18 | 18 | 33 | 39 | 31 | 32 | 34 | 46 | 2395 | 16139 |
| 2025 | 09 | 17 | 23 | 1550 | 592 | 3041 | 1954 | 2007 | 1951 | 2401 | 22 | 26 | 24 | 27 | 29 | 35 | 35 | 37 | 2398 | 16129 |
| 2025 | 09 | 17 | 22 | 1548 | 591 | 1779 | 1964 | 1968 | 2578 | 3066 | 27 | 35 | 36 | 21 | 31 | 34 | 20 | 38 | 2380 | 16116 |
| 2025 | 09 | 17 | 21 | 1548 | 591 | 1779 | 1964 | 1968 | 2578 | 3066 | 27 | 35 | 36 | 21 | 31 | 34 | 20 | 38 | 2380 | 16116 |
| 2025 | 09 | 17 | 20 | 1551 | 592 | 2107 | 1831 | 2707 | 2553 | 2147 | 15 | 29 | 38 | 32 | 24 | 34 | 32 | 38 | 2385 | 16115 |
| 2025 | 09 | 17 | 19 | 1549 | 591 | 1905 | 2104 | 2573 | 2284 | 2472 | 26 | 24 | 37 | 29 | 36 | 21 | 24 | 40 | 2394 | 16109 |
| 2025 | 09 | 17 | 18 | 1549 | 591 | 2226 | 1658 | 2781 | 2490 | 2185 | 23 | 20 | 25 | 33 | 30 | 38 | 31 | 46 | 2375 | 16101 |
| 2025 | 09 | 17 | 17 | 1552 | 592 | 2010 | 1962 | 3037 | 1960 | 2361 | 27 | 26 | 35 | 26 | 25 | 24 | 32 | 35 | 2382 | 16086 |
| 2025 | 09 | 17 | 16 | 1551 | 591 | 2511 | 1962 | 1967 | 2245 | 2635 | 30 | 27 | 28 | 33 | 27 | 16 | 35 | 41 | 2376 | 16075 |
| 2025 | 09 | 17 | 15 | 1551 | 591 | 2319 | 1947 | 2130 | 2522 | 2394 | 32 | 33 | 23 | 29 | 29 | 31 | 30 | 42 | 2354 | 16057 |
| 2025 | 09 | 17 | 14 | 1553 | 591 | 2326 | 1610 | 2093 | 2746 | 2527 | 26 | 29 | 34 | 38 | 25 | 24 | 29 | 36 | 2350 | 16037 |
| 2025 | 09 | 17 | 13 | 1551 | 589 | 2100 | 1674 | 2667 | 2282 | 2573 | 26 | 30 | 25 | 27 | 23 | 29 | 26 | 55 | 2341 | 16018 |
| 2025 | 09 | 17 | 12 | 1551 | 589 | 2439 | 1736 | 2164 | 2533 | 2416 | 15 | 28 | 36 | 28 | 34 | 32 | 39 | 40 | 2317 | 15997 |
| 2025 | 09 | 17 | 11 | 1551 | 589 | 2127 | 1740 | 2453 | 2209 | 2756 | 33 | 21 | 25 | 24 | 25 | 39 | 40 | 42 | 2309 | 15983 |
| 2025 | 09 | 17 | 10 | 1547 | 589 | 2295 | 1670 | 2181 | 2357 | 2776 | 28 | 30 | 29 | 36 | 23 | 36 | 27 | 39 | 2303 | 15966 |
| 2025 | 09 | 17 | 09 | 1549 | 590 | 1988 | 2005 | 2293 | 2367 | 2619 | 20 | 27 | 41 | 30 | 21 | 29 | 24 | 49 | 2303 | 15955 |
| 2025 | 09 | 17 | 08 | 1550 | 587 | 1977 | 2088 | 2847 | 1955 | 2394 | 29 | 28 | 38 | 21 | 20 | 31 | 39 | 41 | 2282 | 15927 |
| 2025 | 09 | 17 | 07 | 1548 | 588 | 2410 | 1576 | 2304 | 2129 | 2838 | 27 | 29 | 26 | 33 | 29 | 27 | 21 | 51 | 2269 | 15905 |
| 2025 | 09 | 17 | 06 | 1549 | 588 | 1519 | 1828 | 2390 | 3499 | 2003 | 22 | 33 | 32 | 36 | 21 | 30 | 31 | 39 | 2265 | 15885 |
| 2025 | 09 | 17 | 05 | 1549 | 588 | 2181 | 1624 | 2728 | 2438 | 2257 | 20 | 22 | 33 | 35 | 23 | 30 | 42 | 36 | 2248 | 15854 |
| 2025 | 09 | 17 | 04 | 1548 | 587 | 2133 | 1560 | 2768 | 2411 | 2351 | 31 | 27 | 27 | 22 | 28 | 29 | 35 | 50 | 2218 | 15825 |
| 2025 | 09 | 17 | 03 | 1547 | 586 | 2058 | 2044 | 2153 | 2544 | 2415 | 18 | 36 | 37 | 25 | 27 | 26 | 39 | 36 | 2204 | 15795 |
| 2025 | 09 | 17 | 02 | 1547 | 584 | 2014 | 1894 | 2331 | 2699 | 2264 | 21 | 31 | 32 | 35 | 30 | 29 | 31 | 38 | 2182 | 15762 |
| 2025 | 09 | 17 | 01 | 1546 | 585 | 1886 | 2079 | 2225 | 2707 | 2270 | 24 | 36 | 25 | 22 | 34 | 23 | 29 | 48 | 2151 | 15690 |
| 2025 | 09 | 17 | 00 | 1548 | 591 | 1957 | 1704 | 2581 | 2380 | 2737 | 26 | 39 | 30 | 23 | 26 | 36 | 27 | 50 | 2376 | 16131 |
| 2025 | 09 | 16 | 23 | 1548 | 591 | 2460 | 1996 | 2048 | 2524 | 2327 | 33 | 28 | 35 | 31 | 24 | 27 | 28 | 43 | 2384 | 16127 |
| 2025 | 09 | 16 | 22 | 1549 | 591 | 1970 | 1637 | 2264 | 2665 | 2810 | 35 | 34 | 30 | 41 | 28 | 28 | 27 | 32 | 2375 | 16116 |
| 2025 | 09 | 16 | 21 | 1545 | 590 | 1762 | 1870 | 1927 | 2878 | 2907 | 25 | 37 | 25 | 35 | 34 | 22 | 29 | 45 | 2375 | 16106 |
| 2025 | 09 | 16 | 20 | 1545 | 590 | 2530 | 1698 | 2271 | 2675 | 2166 | 20 | 31 | 31 | 36 | 23 | 30 | 29 | 53 | 2371 | 16099 |
| 2025 | 09 | 16 | 19 | 1546 | 590 | 2448 | 1956 | 1625 | 2433 | 2875 | 27 | 31 | 28 | 31 | 21 | 24 | 43 | 41 | 2374 | 16093 |
| 2025 | 09 | 16 | 18 | 1545 | 589 | 2728 | 1867 | 2096 | 2308 | 2333 | 26 | 23 | 37 | 37 | 24 | 26 | 30 | 38 | 2376 | 16083 |
| 2025 | 09 | 16 | 17 | 1545 | 591 | 1747 | 1717 | 2668 | 2459 | 2734 | 26 | 31 | 29 | 29 | 27 | 22 | 38 | 47 | 2359 | 16069 |
| 2025 | 09 | 16 | 16 | 1544 | 591 | 2229 | 2165 | 2293 | 2487 | 2149 | 29 | 33 | 34 | 31 | 20 | 28 | 26 | 45 | 2356 | 16060 |
| 2025 | 09 | 16 | 15 | 1548 | 591 | 2480 | 1788 | 2372 | 2555 | 2117 | 23 | 37 | 26 | 36 | 34 | 23 | 26 | 44 | 2345 | 16045 |
| 2025 | 09 | 16 | 14 | 1547 | 591 | 2554 | 1898 | 2290 | 1683 | 2882 | 24 | 28 | 36 | 28 | 20 | 31 | 31 | 51 | 2340 | 16034 |
| 2025 | 09 | 16 | 13 | 1545 | 589 | 2085 | 2016 | 1955 | 2376 | 2868 | 30 | 22 | 40 | 31 | 23 | 23 | 38 | 45 | 2332 | 16018 |
| 2025 | 09 | 16 | 12 | 1546 | 588 | 1839 | 1882 | 2545 | 2418 | 2609 | 31 | 28 | 27 | 32 | 16 | 31 | 35 | 47 | 2331 | 16005 |
| 2025 | 09 | 16 | 11 | 1544 | 589 | 1845 | 2044 | 2223 | 1946 | 3229 | 24 | 22 | 24 | 40 | 36 | 27 | 30 | 40 | 2314 | 15977 |
| 2025 | 09 | 16 | 10 | 1543 | 590 | 2384 | 1678 | 2503 | 2349 | 2362 | 29 | 22 | 26 | 30 | 25 | 33 | 34 | 47 | 2305 | 15960 |
| 2025 | 09 | 16 | 09 | 1544 | 590 | 1658 | 2286 | 2535 | 2444 | 2345 | 21 | 25 | 32 | 24 | 25 | 29 | 41 | 37 | 2310 | 15946 |
| 2025 | 09 | 16 | 08 | 1543 | 589 | 2188 | 1753 | 2469 | 1989 | 2866 | 23 | 24 | 29 | 28 | 35 | 30 | 31 | 50 | 2280 | 15927 |
| 2025 | 09 | 16 | 07 | 1544 | 589 | 2714 | 1675 | 2177 | 2416 | 2271 | 24 | 26 | 23 | 34 | 21 | 39 | 27 | 48 | 2280 | 15908 |