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 | 16 | 1555 | 604 | 1685 | 1967 | 2297 | 2187 | 3077 | 23 | 25 | 36 | 33 | 23 | 33 | 24 | 46 | 2356 | 15971 |
| 2025 | 12 | 09 | 15 | 1552 | 605 | 1660 | 1755 | 2094 | 3210 | 2487 | 15 | 17 | 35 | 33 | 28 | 36 | 39 | 38 | 2349 | 15953 |
| 2025 | 12 | 09 | 14 | 1554 | 606 | 2068 | 1700 | 2145 | 2729 | 2555 | 20 | 24 | 33 | 28 | 27 | 23 | 35 | 49 | 2344 | 15940 |
| 2025 | 12 | 09 | 13 | 1553 | 606 | 1452 | 1979 | 2454 | 2876 | 2431 | 18 | 25 | 30 | 25 | 27 | 30 | 26 | 49 | 2346 | 15927 |
| 2025 | 12 | 09 | 12 | 1553 | 606 | 1808 | 1802 | 1909 | 2937 | 2728 | 29 | 17 | 27 | 35 | 26 | 32 | 28 | 45 | 2333 | 15915 |
| 2025 | 12 | 09 | 11 | 1554 | 605 | 1830 | 1655 | 3100 | 2344 | 2252 | 26 | 25 | 31 | 26 | 26 | 37 | 27 | 44 | 2316 | 15898 |
| 2025 | 12 | 09 | 10 | 1552 | 605 | 1757 | 1972 | 2352 | 2144 | 2950 | 20 | 28 | 30 | 32 | 25 | 24 | 35 | 46 | 2304 | 15876 |
| 2025 | 12 | 09 | 09 | 1554 | 606 | 1887 | 1959 | 2246 | 2345 | 2729 | 32 | 28 | 26 | 36 | 27 | 28 | 30 | 42 | 2285 | 15860 |
| 2025 | 12 | 09 | 08 | 1551 | 605 | 1859 | 1899 | 2480 | 2255 | 2674 | 27 | 29 | 18 | 37 | 22 | 35 | 37 | 40 | 2268 | 15836 |
| 2025 | 12 | 09 | 07 | 1553 | 604 | 2663 | 1738 | 1795 | 2462 | 2490 | 21 | 27 | 28 | 24 | 22 | 34 | 36 | 50 | 2264 | 15811 |
| 2025 | 12 | 09 | 06 | 1552 | 605 | 2000 | 2024 | 2488 | 2202 | 2427 | 24 | 38 | 24 | 27 | 29 | 33 | 24 | 48 | 2246 | 15791 |
| 2025 | 12 | 09 | 05 | 1552 | 605 | 1875 | 2280 | 2203 | 2505 | 2272 | 24 | 29 | 21 | 25 | 31 | 33 | 39 | 40 | 2230 | 15764 |
| 2025 | 12 | 09 | 04 | 1552 | 605 | 1968 | 2020 | 2581 | 2393 | 2159 | 19 | 22 | 35 | 33 | 18 | 34 | 33 | 45 | 2223 | 15740 |
| 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 |