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 | 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 |
| 2025 | 12 | 20 | 17 | 1569 | 610 | 2077 | 1696 | 1957 | 2310 | 3238 | 14 | 17 | 37 | 22 | 31 | 38 | 38 | 38 | 2397 | 16089 |
| 2025 | 12 | 20 | 16 | 1570 | 611 | 2574 | 1902 | 1959 | 2375 | 2454 | 28 | 28 | 18 | 21 | 38 | 28 | 33 | 32 | 2404 | 16075 |
| 2025 | 12 | 20 | 15 | 1572 | 611 | 2211 | 1871 | 2294 | 2283 | 2602 | 29 | 20 | 36 | 23 | 27 | 26 | 41 | 30 | 2386 | 16062 |
| 2025 | 12 | 20 | 14 | 1572 | 611 | 2248 | 1905 | 2430 | 2240 | 2433 | 30 | 26 | 31 | 26 | 29 | 32 | 37 | 32 | 2364 | 16046 |
| 2025 | 12 | 20 | 13 | 1571 | 610 | 2149 | 1867 | 2235 | 2349 | 2649 | 32 | 22 | 27 | 30 | 21 | 28 | 29 | 44 | 2372 | 16035 |
| 2025 | 12 | 20 | 12 | 1568 | 609 | 1777 | 1691 | 2308 | 2789 | 2679 | 19 | 27 | 23 | 35 | 29 | 24 | 37 | 32 | 2370 | 16017 |
| 2025 | 12 | 20 | 11 | 1570 | 609 | 2022 | 1511 | 2120 | 2939 | 2642 | 26 | 30 | 31 | 23 | 24 | 32 | 32 | 43 | 2353 | 16007 |
| 2025 | 12 | 20 | 10 | 1570 | 608 | 2231 | 2049 | 2230 | 2306 | 2416 | 25 | 32 | 27 | 31 | 26 | 28 | 41 | 29 | 2342 | 15991 |
| 2025 | 12 | 20 | 09 | 1570 | 608 | 2268 | 2044 | 1492 | 2829 | 2597 | 26 | 22 | 27 | 26 | 21 | 38 | 35 | 36 | 2329 | 15968 |
| 2025 | 12 | 20 | 08 | 1571 | 607 | 2063 | 1703 | 1959 | 2505 | 2995 | 18 | 23 | 19 | 38 | 21 | 33 | 41 | 34 | 2318 | 15948 |
| 2025 | 12 | 20 | 07 | 1572 | 608 | 1597 | 1952 | 2439 | 2471 | 2751 | 29 | 26 | 32 | 19 | 27 | 24 | 35 | 42 | 2305 | 15929 |
| 2025 | 12 | 20 | 06 | 1570 | 608 | 2247 | 1916 | 2199 | 2131 | 2716 | 21 | 19 | 32 | 25 | 25 | 39 | 41 | 30 | 2286 | 15905 |
| 2025 | 12 | 20 | 05 | 1570 | 607 | 1545 | 2046 | 2033 | 2693 | 2883 | 21 | 23 | 28 | 30 | 29 | 34 | 25 | 34 | 2281 | 15882 |
| 2025 | 12 | 20 | 04 | 1568 | 607 | 2038 | 1663 | 2299 | 2207 | 2984 | 27 | 22 | 26 | 36 | 28 | 32 | 23 | 35 | 2265 | 15860 |
| 2025 | 12 | 20 | 03 | 1565 | 607 | 1951 | 2277 | 2805 | 2116 | 2038 | 27 | 35 | 31 | 18 | 17 | 37 | 34 | 40 | 2212 | 15810 |
| 2025 | 12 | 19 | 01 | 1554 | 603 | 2064 | 1617 | 1772 | 2292 | 3297 | 19 | 28 | 34 | 32 | 19 | 36 | 40 | 26 | 2152 | 15585 |
| 2025 | 12 | 19 | 00 | 1568 | 609 | 2484 | 1613 | 2294 | 2044 | 2902 | 32 | 34 | 26 | 32 | 28 | 29 | 29 | 34 | 2382 | 16140 |
| 2025 | 12 | 18 | 23 | 1570 | 609 | 2455 | 1811 | 2399 | 2060 | 2606 | 30 | 28 | 30 | 29 | 23 | 32 | 34 | 35 | 2381 | 16132 |
| 2025 | 12 | 18 | 22 | 1569 | 610 | 2412 | 1604 | 2668 | 1962 | 2685 | 31 | 32 | 27 | 28 | 25 | 32 | 35 | 35 | 2374 | 16129 |
| 2025 | 12 | 18 | 21 | 1569 | 610 | 1894 | 1908 | 2476 | 2421 | 2625 | 29 | 27 | 28 | 29 | 25 | 32 | 37 | 42 | 2369 | 16121 |