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 | 09 | 03 | 1551 | 604 | 2438 | 1523 | 2266 | 2553 | 2337 | 37 | 26 | 30 | 23 | 20 | 32 | 34 | 43 | 2202 | 15719 |
| 2025 | 12 | 09 | 02 | 1546 | 605 | 1963 | 1638 | 1811 | 2505 | 3189 | 28 | 23 | 29 | 32 | 17 | 35 | 32 | 41 | 2182 | 15676 |
| 2025 | 12 | 09 | 01 | 1547 | 605 | 3330 | 1779 | 1906 | 1670 | 2375 | 25 | 24 | 19 | 34 | 18 | 30 | 36 | 44 | 2156 | 15598 |
| 2025 | 12 | 09 | 00 | 1552 | 606 | 2273 | 1955 | 2599 | 2054 | 2380 | 18 | 25 | 25 | 29 | 32 | 36 | 26 | 50 | 2379 | 16039 |
| 2025 | 12 | 08 | 23 | 1552 | 606 | 1866 | 1880 | 2394 | 3020 | 2100 | 24 | 34 | 29 | 38 | 20 | 24 | 27 | 50 | 2372 | 16036 |
| 2025 | 12 | 08 | 22 | 1553 | 607 | 1409 | 1707 | 2929 | 2132 | 3082 | 23 | 31 | 27 | 30 | 24 | 33 | 33 | 49 | 2363 | 16032 |
| 2025 | 12 | 08 | 21 | 1554 | 607 | 2135 | 1921 | 2158 | 2435 | 2603 | 19 | 21 | 30 | 40 | 28 | 31 | 35 | 52 | 2356 | 16025 |
| 2025 | 12 | 08 | 20 | 1554 | 606 | 2015 | 1612 | 1708 | 2905 | 3005 | 17 | 32 | 32 | 40 | 27 | 26 | 34 | 49 | 2351 | 16013 |
| 2025 | 12 | 08 | 19 | 1553 | 606 | 1828 | 1832 | 2426 | 2623 | 2531 | 23 | 27 | 33 | 22 | 24 | 22 | 41 | 51 | 2361 | 16003 |
| 2025 | 12 | 08 | 18 | 1551 | 607 | 2777 | 1764 | 2194 | 2194 | 2302 | 16 | 32 | 37 | 37 | 28 | 27 | 35 | 42 | 2346 | 15989 |
| 2025 | 12 | 08 | 17 | 1551 | 607 | 1891 | 1668 | 2011 | 3253 | 2402 | 18 | 26 | 26 | 33 | 20 | 35 | 37 | 45 | 2356 | 15979 |
| 2025 | 12 | 08 | 16 | 1550 | 606 | 2051 | 1821 | 1882 | 2158 | 3309 | 23 | 24 | 21 | 26 | 26 | 33 | 38 | 40 | 2350 | 15958 |
| 2025 | 12 | 08 | 15 | 1553 | 606 | 2703 | 1403 | 1809 | 2458 | 2830 | 21 | 22 | 30 | 38 | 19 | 38 | 33 | 41 | 2339 | 15943 |
| 2025 | 12 | 08 | 14 | 1555 | 607 | 1942 | 1887 | 2915 | 2506 | 1939 | 19 | 31 | 26 | 31 | 18 | 33 | 42 | 44 | 2329 | 15924 |
| 2025 | 12 | 08 | 13 | 1552 | 607 | 2569 | 2233 | 1867 | 1756 | 2760 | 26 | 21 | 26 | 29 | 21 | 23 | 44 | 54 | 2326 | 15914 |
| 2025 | 12 | 08 | 12 | 1553 | 606 | 2496 | 1948 | 2546 | 1901 | 2290 | 19 | 25 | 21 | 32 | 26 | 39 | 33 | 55 | 2309 | 15899 |
| 2025 | 12 | 08 | 11 | 1553 | 607 | 2564 | 1426 | 2867 | 2229 | 2083 | 33 | 18 | 25 | 23 | 28 | 36 | 40 | 44 | 2306 | 15882 |
| 2025 | 12 | 08 | 10 | 1551 | 607 | 2695 | 1589 | 1966 | 1942 | 2980 | 27 | 29 | 30 | 28 | 28 | 20 | 30 | 41 | 2309 | 15872 |
| 2025 | 12 | 08 | 09 | 1553 | 605 | 2264 | 1768 | 1822 | 2588 | 2713 | 22 | 30 | 17 | 32 | 26 | 28 | 41 | 49 | 2287 | 15845 |
| 2025 | 12 | 08 | 08 | 1553 | 605 | 1804 | 1879 | 2574 | 2267 | 2622 | 27 | 21 | 25 | 28 | 35 | 28 | 36 | 40 | 2283 | 15827 |
| 2025 | 12 | 08 | 07 | 1554 | 606 | 2139 | 2095 | 2120 | 2043 | 2738 | 23 | 18 | 31 | 29 | 27 | 30 | 30 | 40 | 2281 | 15804 |
| 2025 | 12 | 08 | 06 | 1551 | 605 | 2775 | 1827 | 2247 | 2145 | 2135 | 16 | 31 | 25 | 28 | 28 | 26 | 39 | 45 | 2259 | 15782 |
| 2025 | 12 | 08 | 05 | 1549 | 606 | 2203 | 1822 | 2138 | 1998 | 2952 | 22 | 27 | 32 | 25 | 30 | 33 | 36 | 41 | 2241 | 15755 |
| 2025 | 12 | 08 | 04 | 1549 | 606 | 2165 | 2016 | 2098 | 2003 | 2818 | 20 | 22 | 30 | 33 | 23 | 32 | 39 | 46 | 2231 | 15731 |
| 2025 | 12 | 08 | 03 | 1547 | 606 | 2899 | 1425 | 2152 | 2021 | 2591 | 24 | 19 | 39 | 27 | 25 | 26 | 46 | 38 | 2219 | 15704 |
| 2025 | 12 | 08 | 02 | 1548 | 606 | 1986 | 1549 | 2477 | 2643 | 2422 | 19 | 26 | 36 | 29 | 20 | 29 | 35 | 57 | 2187 | 15669 |
| 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 |