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 | 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 |
| 2025 | 12 | 21 | 23 | 1570 | 610 | 2154 | 1732 | 2216 | 2486 | 2635 | 24 | 33 | 26 | 25 | 19 | 31 | 36 | 34 | 2348 | 15979 |
| 2025 | 12 | 21 | 22 | 1569 | 608 | 2682 | 1804 | 2028 | 2181 | 2520 | 19 | 27 | 32 | 22 | 30 | 40 | 28 | 34 | 2342 | 15966 |
| 2025 | 12 | 21 | 21 | 1568 | 609 | 1710 | 1770 | 3040 | 2641 | 2052 | 22 | 22 | 38 | 42 | 19 | 37 | 34 | 35 | 2320 | 15959 |
| 2025 | 12 | 21 | 20 | 1567 | 609 | 1792 | 2180 | 2391 | 2349 | 2500 | 20 | 30 | 37 | 32 | 30 | 37 | 29 | 28 | 2321 | 15952 |
| 2025 | 12 | 21 | 19 | 1567 | 609 | 1564 | 1867 | 2145 | 3003 | 2625 | 21 | 41 | 26 | 27 | 27 | 24 | 33 | 32 | 2332 | 15943 |
| 2025 | 12 | 21 | 18 | 1568 | 609 | 2170 | 1718 | 2559 | 2035 | 2718 | 14 | 30 | 38 | 21 | 29 | 40 | 30 | 38 | 2316 | 15933 |
| 2025 | 12 | 21 | 17 | 1571 | 608 | 2079 | 1982 | 2029 | 2343 | 2760 | 22 | 40 | 26 | 22 | 32 | 23 | 34 | 24 | 2323 | 15918 |
| 2025 | 12 | 21 | 16 | 1569 | 608 | 2828 | 1611 | 2119 | 2324 | 2296 | 29 | 27 | 25 | 30 | 26 | 36 | 35 | 31 | 2311 | 15905 |
| 2025 | 12 | 21 | 15 | 1567 | 607 | 1937 | 1839 | 2027 | 2603 | 2768 | 19 | 30 | 23 | 22 | 36 | 36 | 31 | 41 | 2301 | 15887 |
| 2025 | 12 | 21 | 14 | 1566 | 608 | 2040 | 1705 | 2265 | 2287 | 2875 | 22 | 29 | 17 | 32 | 23 | 42 | 33 | 34 | 2301 | 15879 |
| 2025 | 12 | 21 | 13 | 1565 | 607 | 1997 | 2500 | 2033 | 2527 | 2106 | 25 | 25 | 25 | 18 | 30 | 33 | 33 | 46 | 2290 | 15860 |
| 2025 | 12 | 21 | 12 | 1565 | 607 | 2334 | 1478 | 2070 | 1816 | 3459 | 27 | 26 | 22 | 26 | 42 | 26 | 29 | 36 | 2280 | 15843 |
| 2025 | 12 | 21 | 11 | 1565 | 608 | 2149 | 2008 | 2235 | 2269 | 2486 | 27 | 20 | 26 | 26 | 31 | 31 | 29 | 38 | 2281 | 15829 |
| 2025 | 12 | 21 | 10 | 1565 | 608 | 1702 | 1559 | 2304 | 2527 | 3052 | 25 | 19 | 26 | 29 | 34 | 32 | 27 | 39 | 2242 | 15790 |
| 2025 | 12 | 21 | 09 | 1565 | 608 | 2617 | 1602 | 2212 | 2552 | 2149 | 26 | 33 | 30 | 26 | 28 | 27 | 27 | 39 | 2228 | 15769 |
| 2025 | 12 | 21 | 08 | 1566 | 608 | 1854 | 1550 | 2733 | 2753 | 2228 | 24 | 26 | 23 | 34 | 28 | 31 | 39 | 25 | 2224 | 15746 |
| 2025 | 12 | 21 | 07 | 1566 | 608 | 1997 | 1883 | 2520 | 2418 | 2294 | 23 | 30 | 41 | 18 | 28 | 31 | 42 | 26 | 2208 | 15733 |
| 2025 | 12 | 21 | 06 | 1565 | 608 | 1967 | 1885 | 2144 | 2109 | 3006 | 21 | 32 | 27 | 29 | 26 | 26 | 38 | 41 | 2192 | 15716 |
| 2025 | 12 | 21 | 05 | 1565 | 607 | 1947 | 1640 | 2362 | 2879 | 2268 | 28 | 25 | 23 | 26 | 22 | 37 | 36 | 40 | 2191 | 15696 |
| 2025 | 12 | 21 | 04 | 1563 | 604 | 1804 | 2124 | 1948 | 2527 | 2685 | 23 | 30 | 33 | 18 | 20 | 28 | 34 | 50 | 2185 | 15676 |
| 2025 | 12 | 21 | 03 | 1566 | 601 | 1839 | 2056 | 2376 | 1999 | 2798 | 27 | 28 | 25 | 31 | 28 | 24 | 31 | 38 | 2177 | 15644 |
| 2025 | 12 | 21 | 02 | 1559 | 602 | 1925 | 2003 | 2067 | 2684 | 2372 | 20 | 34 | 24 | 21 | 26 | 34 | 38 | 31 | 2170 | 15610 |
| 2025 | 12 | 21 | 01 | 1560 | 602 | 1965 | 1905 | 2444 | 2372 | 2322 | 26 | 26 | 26 | 27 | 34 | 27 | 38 | 29 | 2136 | 15539 |
| 2025 | 12 | 21 | 00 | 1570 | 612 | 2387 | 2171 | 2018 | 2421 | 2306 | 29 | 31 | 34 | 24 | 22 | 24 | 33 | 36 | 2416 | 16134 |
| 2025 | 12 | 20 | 23 | 1571 | 612 | 2275 | 1737 | 2334 | 2275 | 2677 | 24 | 19 | 28 | 25 | 24 | 40 | 41 | 31 | 2416 | 16129 |
| 2025 | 12 | 20 | 22 | 1570 | 612 | 2140 | 2109 | 1988 | 2125 | 2934 | 21 | 19 | 34 | 25 | 23 | 31 | 36 | 38 | 2418 | 16123 |
| 2025 | 12 | 20 | 21 | 1569 | 612 | 2595 | 1945 | 2157 | 2476 | 2119 | 26 | 24 | 33 | 31 | 23 | 31 | 39 | 29 | 2410 | 16119 |
| 2025 | 12 | 20 | 20 | 1569 | 612 | 2249 | 1828 | 1979 | 2376 | 2856 | 22 | 30 | 27 | 27 | 34 | 36 | 24 | 37 | 2407 | 16113 |
| 2025 | 12 | 20 | 19 | 1569 | 611 | 1792 | 1759 | 2516 | 2577 | 2642 | 27 | 31 | 19 | 29 | 25 | 35 | 31 | 38 | 2402 | 16103 |
| 2025 | 12 | 20 | 18 | 1571 | 610 | 2137 | 1730 | 2114 | 2501 | 2798 | 24 | 26 | 24 | 22 | 26 | 39 | 30 | 45 | 2398 | 16095 |