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 | 23 | 23 | 1575 | 608 | 1824 | 1601 | 2785 | 1869 | 3203 | 22 | 32 | 27 | 33 | 30 | 27 | 30 | 27 | 2279 | 15972 |
| 2025 | 12 | 23 | 22 | 1572 | 609 | 2561 | 1776 | 2179 | 2097 | 2665 | 22 | 32 | 27 | 33 | 30 | 27 | 30 | 27 | 2278 | 15965 |
| 2025 | 12 | 23 | 21 | 1569 | 611 | 1995 | 2091 | 2103 | 2105 | 2962 | 26 | 31 | 23 | 34 | 30 | 27 | 22 | 36 | 2296 | 15961 |
| 2025 | 12 | 23 | 20 | 1571 | 612 | 2339 | 1557 | 2363 | 2398 | 2591 | 23 | 24 | 28 | 34 | 17 | 28 | 37 | 39 | 2288 | 15949 |
| 2025 | 12 | 23 | 19 | 1572 | 612 | 2304 | 1931 | 2580 | 1870 | 2553 | 17 | 27 | 23 | 31 | 34 | 29 | 30 | 37 | 2289 | 15939 |
| 2025 | 12 | 23 | 18 | 1570 | 612 | 1842 | 1871 | 2452 | 2627 | 2442 | 28 | 18 | 20 | 22 | 44 | 25 | 40 | 36 | 2278 | 15927 |
| 2025 | 12 | 23 | 17 | 1569 | 611 | 1708 | 1795 | 2378 | 2710 | 2629 | 23 | 30 | 32 | 21 | 27 | 29 | 39 | 34 | 2276 | 15911 |
| 2025 | 12 | 23 | 16 | 1566 | 611 | 2232 | 2129 | 2158 | 2346 | 2350 | 16 | 32 | 21 | 39 | 21 | 29 | 40 | 33 | 2270 | 15893 |
| 2025 | 12 | 23 | 15 | 1568 | 611 | 2344 | 1837 | 2003 | 2281 | 2732 | 14 | 24 | 23 | 25 | 32 | 37 | 31 | 44 | 2267 | 15873 |
| 2025 | 12 | 23 | 14 | 1569 | 611 | 2707 | 2037 | 1991 | 2214 | 2246 | 24 | 26 | 26 | 35 | 17 | 23 | 47 | 29 | 2259 | 15861 |
| 2025 | 12 | 23 | 13 | 1568 | 608 | 1679 | 1864 | 2061 | 2728 | 2850 | 18 | 32 | 28 | 28 | 19 | 27 | 32 | 45 | 2259 | 15846 |
| 2025 | 12 | 23 | 12 | 1567 | 609 | 2308 | 2367 | 1541 | 3024 | 1937 | 19 | 26 | 28 | 22 | 29 | 33 | 43 | 37 | 2240 | 15830 |
| 2025 | 12 | 23 | 11 | 1567 | 610 | 2204 | 1824 | 1841 | 3053 | 2245 | 26 | 29 | 19 | 28 | 28 | 29 | 32 | 36 | 2242 | 15813 |
| 2025 | 12 | 23 | 10 | 1566 | 610 | 1695 | 1901 | 2001 | 2381 | 3181 | 29 | 35 | 20 | 29 | 19 | 30 | 37 | 34 | 2229 | 15797 |
| 2025 | 12 | 23 | 09 | 1565 | 610 | 1743 | 1726 | 2490 | 2181 | 3009 | 22 | 30 | 26 | 31 | 28 | 30 | 34 | 34 | 2219 | 15778 |
| 2025 | 12 | 23 | 08 | 1565 | 609 | 1751 | 1908 | 2732 | 2585 | 2171 | 30 | 21 | 29 | 23 | 17 | 29 | 38 | 45 | 2210 | 15763 |
| 2025 | 12 | 23 | 07 | 1565 | 609 | 2350 | 1950 | 2253 | 2477 | 2099 | 25 | 26 | 22 | 32 | 23 | 38 | 35 | 35 | 2200 | 15739 |
| 2025 | 12 | 23 | 06 | 1568 | 609 | 1978 | 1563 | 2544 | 2077 | 2954 | 29 | 35 | 35 | 28 | 25 | 27 | 37 | 26 | 2173 | 15708 |
| 2025 | 12 | 23 | 05 | 1567 | 608 | 2342 | 1783 | 1992 | 2313 | 2678 | 23 | 27 | 26 | 22 | 23 | 29 | 35 | 44 | 2181 | 15693 |
| 2025 | 12 | 23 | 04 | 1566 | 608 | 2292 | 1733 | 1851 | 2326 | 2893 | 26 | 24 | 27 | 27 | 20 | 24 | 40 | 38 | 2176 | 15671 |
| 2025 | 12 | 23 | 03 | 1566 | 607 | 1741 | 1736 | 2894 | 2071 | 2645 | 23 | 30 | 25 | 34 | 28 | 30 | 20 | 36 | 2164 | 15650 |
| 2025 | 12 | 23 | 02 | 1566 | 608 | 2112 | 1841 | 1924 | 2146 | 3047 | 15 | 26 | 26 | 30 | 24 | 31 | 36 | 43 | 2148 | 15623 |
| 2025 | 12 | 23 | 01 | 1562 | 609 | 2820 | 1730 | 1699 | 1978 | 2814 | 24 | 29 | 24 | 22 | 21 | 27 | 40 | 37 | 2132 | 15568 |
| 2025 | 12 | 23 | 00 | 1568 | 611 | 2342 | 1766 | 2007 | 2203 | 2931 | 23 | 30 | 31 | 34 | 30 | 27 | 37 | 29 | 2352 | 16021 |
| 2025 | 12 | 22 | 23 | 1564 | 610 | 2283 | 2088 | 2623 | 1613 | 2645 | 15 | 39 | 27 | 34 | 42 | 20 | 34 | 28 | 2350 | 16015 |
| 2025 | 12 | 22 | 22 | 1565 | 610 | 2696 | 2051 | 1790 | 2503 | 2205 | 21 | 26 | 27 | 26 | 19 | 45 | 38 | 35 | 2349 | 16006 |
| 2025 | 12 | 22 | 21 | 1568 | 610 | 2137 | 1890 | 2273 | 2550 | 2391 | 23 | 26 | 24 | 29 | 29 | 33 | 32 | 36 | 2347 | 15998 |
| 2025 | 12 | 22 | 20 | 1566 | 609 | 2155 | 2235 | 1940 | 2719 | 2193 | 21 | 31 | 24 | 35 | 31 | 34 | 29 | 29 | 2344 | 15995 |
| 2025 | 12 | 22 | 19 | 1567 | 609 | 2275 | 2105 | 2007 | 2371 | 2474 | 29 | 31 | 33 | 21 | 31 | 28 | 33 | 43 | 2329 | 15986 |
| 2025 | 12 | 22 | 18 | 1565 | 609 | 1999 | 1815 | 2479 | 2304 | 2630 | 24 | 18 | 29 | 24 | 27 | 32 | 49 | 36 | 2333 | 15973 |
| 2025 | 12 | 22 | 17 | 1565 | 609 | 2356 | 1855 | 2134 | 2247 | 2625 | 25 | 25 | 28 | 36 | 31 | 29 | 28 | 37 | 2331 | 15961 |
| 2025 | 12 | 22 | 16 | 1565 | 610 | 2305 | 1791 | 1842 | 2387 | 2882 | 26 | 20 | 21 | 29 | 29 | 38 | 30 | 37 | 2335 | 15947 |
| 2025 | 12 | 22 | 15 | 1563 | 610 | 2138 | 1707 | 2046 | 2542 | 2764 | 28 | 25 | 20 | 34 | 38 | 22 | 33 | 37 | 2318 | 15925 |
| 2025 | 12 | 22 | 14 | 1564 | 610 | 1927 | 1867 | 1813 | 2190 | 3384 | 20 | 25 | 28 | 26 | 31 | 32 | 29 | 45 | 2308 | 15899 |
| 2025 | 12 | 22 | 13 | 1565 | 608 | 2296 | 1790 | 2103 | 2211 | 2771 | 20 | 21 | 24 | 27 | 30 | 38 | 33 | 31 | 2309 | 15877 |
| 2025 | 12 | 22 | 12 | 1566 | 607 | 2532 | 1656 | 2090 | 2759 | 2124 | 21 | 35 | 31 | 24 | 26 | 23 | 40 | 34 | 2285 | 15853 |
| 2025 | 12 | 22 | 11 | 1563 | 607 | 1714 | 1770 | 2049 | 2618 | 3001 | 27 | 26 | 25 | 29 | 32 | 28 | 39 | 32 | 2274 | 15834 |
| 2025 | 12 | 22 | 10 | 1564 | 608 | 2198 | 1883 | 2434 | 2320 | 2304 | 26 | 19 | 17 | 38 | 25 | 31 | 35 | 39 | 2279 | 15820 |
| 2025 | 12 | 22 | 09 | 1564 | 608 | 1496 | 1632 | 2317 | 2691 | 2991 | 18 | 33 | 28 | 19 | 31 | 27 | 37 | 47 | 2263 | 15802 |
| 2025 | 12 | 22 | 08 | 1564 | 606 | 2102 | 1922 | 2421 | 2153 | 2520 | 19 | 25 | 32 | 32 | 27 | 31 | 32 | 40 | 2253 | 15779 |
| 2025 | 12 | 22 | 07 | 1563 | 605 | 2395 | 1551 | 2825 | 2070 | 2267 | 24 | 29 | 28 | 28 | 28 | 27 | 30 | 40 | 2244 | 15754 |
| 2025 | 12 | 22 | 06 | 1561 | 605 | 1963 | 1593 | 2047 | 3073 | 2430 | 24 | 22 | 24 | 33 | 31 | 34 | 23 | 36 | 2233 | 15732 |
| 2025 | 12 | 22 | 05 | 1562 | 606 | 1957 | 1656 | 2080 | 2773 | 2621 | 23 | 21 | 29 | 33 | 25 | 27 | 42 | 40 | 2207 | 15702 |
| 2025 | 12 | 22 | 04 | 1562 | 605 | 2085 | 2079 | 2261 | 1958 | 2693 | 17 | 25 | 25 | 42 | 13 | 32 | 42 | 34 | 2212 | 15685 |
| 2025 | 12 | 22 | 03 | 1563 | 605 | 1625 | 1999 | 1770 | 2838 | 2836 | 16 | 32 | 40 | 27 | 30 | 29 | 32 | 39 | 2180 | 15661 |
| 2025 | 12 | 22 | 02 | 1563 | 606 | 2272 | 1932 | 2312 | 1992 | 2547 | 21 | 23 | 25 | 30 | 23 | 36 | 32 | 39 | 2188 | 15641 |
| 2025 | 12 | 22 | 01 | 1558 | 606 | 1730 | 2112 | 2316 | 2491 | 2384 | 24 | 27 | 29 | 29 | 33 | 26 | 27 | 40 | 2153 | 15585 |
| 2025 | 12 | 22 | 00 | 1570 | 610 | 2286 | 1542 | 2451 | 2695 | 2256 | 21 | 23 | 30 | 20 | 24 | 32 | 37 | 51 | 2345 | 15993 |