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 | 02 | 07 | 1558 | 596 | 2339 | 2063 | 1674 | 2590 | 2492 | 27 | 22 | 31 | 28 | 23 | 26 | 28 | 45 | 2268 | 15810 |
| 2025 | 12 | 02 | 06 | 1556 | 596 | 2171 | 1547 | 2316 | 2718 | 2401 | 23 | 25 | 30 | 28 | 27 | 30 | 33 | 44 | 2240 | 15785 |
| 2025 | 12 | 02 | 05 | 1560 | 597 | 1679 | 2059 | 2311 | 1848 | 3238 | 19 | 35 | 31 | 32 | 32 | 21 | 31 | 44 | 2233 | 15770 |
| 2025 | 12 | 02 | 04 | 1556 | 596 | 2419 | 1847 | 1793 | 2471 | 2601 | 25 | 29 | 27 | 35 | 18 | 32 | 25 | 40 | 2231 | 15745 |
| 2025 | 12 | 02 | 03 | 1554 | 597 | 2448 | 1622 | 1813 | 2557 | 2685 | 20 | 23 | 29 | 26 | 30 | 37 | 30 | 48 | 2206 | 15725 |
| 2025 | 12 | 02 | 02 | 1555 | 597 | 2190 | 2185 | 2503 | 1972 | 2259 | 19 | 25 | 31 | 32 | 15 | 33 | 30 | 53 | 2181 | 15680 |
| 2025 | 12 | 02 | 01 | 1555 | 596 | 1877 | 1797 | 2051 | 2997 | 2354 | 18 | 26 | 24 | 36 | 24 | 32 | 32 | 46 | 2144 | 15609 |
| 2025 | 12 | 02 | 00 | 1560 | 604 | 2180 | 1827 | 2679 | 2339 | 2271 | 24 | 20 | 36 | 23 | 33 | 31 | 38 | 37 | 2385 | 16087 |
| 2025 | 12 | 01 | 23 | 1560 | 603 | 1707 | 1670 | 2506 | 2493 | 2916 | 28 | 18 | 33 | 25 | 35 | 28 | 40 | 43 | 2376 | 16081 |
| 2025 | 12 | 01 | 22 | 1556 | 603 | 2060 | 1983 | 2207 | 2439 | 2600 | 23 | 30 | 33 | 34 | 28 | 30 | 38 | 33 | 2374 | 16071 |
| 2025 | 12 | 01 | 21 | 1557 | 603 | 1839 | 1841 | 2035 | 3149 | 2424 | 25 | 38 | 26 | 22 | 17 | 43 | 30 | 38 | 2381 | 16068 |
| 2025 | 12 | 01 | 20 | 1555 | 604 | 2046 | 1857 | 1685 | 2828 | 2862 | 23 | 20 | 37 | 25 | 35 | 31 | 44 | 36 | 2366 | 16054 |
| 2025 | 12 | 01 | 19 | 1555 | 603 | 2012 | 1608 | 2120 | 2890 | 2637 | 28 | 27 | 36 | 27 | 20 | 42 | 28 | 38 | 2368 | 16039 |
| 2025 | 12 | 01 | 18 | 1557 | 603 | 2043 | 2065 | 2479 | 1875 | 2802 | 23 | 25 | 30 | 35 | 17 | 26 | 35 | 46 | 2369 | 16030 |
| 2025 | 12 | 01 | 17 | 1559 | 602 | 2127 | 1682 | 1904 | 3144 | 2396 | 26 | 29 | 32 | 26 | 24 | 31 | 36 | 46 | 2351 | 16015 |
| 2025 | 12 | 01 | 16 | 1558 | 602 | 2009 | 2033 | 2215 | 2359 | 2627 | 21 | 23 | 31 | 31 | 32 | 31 | 30 | 42 | 2353 | 15997 |
| 2025 | 12 | 01 | 15 | 1556 | 602 | 2143 | 1740 | 2479 | 1887 | 2981 | 26 | 23 | 28 | 26 | 32 | 24 | 39 | 35 | 2354 | 15975 |
| 2025 | 12 | 01 | 14 | 1554 | 600 | 2374 | 1811 | 2319 | 2450 | 2270 | 22 | 26 | 24 | 28 | 25 | 39 | 31 | 38 | 2336 | 15947 |
| 2025 | 12 | 01 | 13 | 1554 | 600 | 2027 | 2142 | 2044 | 2032 | 2969 | 24 | 32 | 32 | 25 | 21 | 33 | 38 | 35 | 2323 | 15931 |
| 2025 | 12 | 01 | 12 | 1556 | 601 | 1350 | 1877 | 2260 | 2578 | 3139 | 22 | 17 | 36 | 29 | 24 | 37 | 50 | 31 | 2316 | 15923 |
| 2025 | 12 | 01 | 11 | 1555 | 601 | 2250 | 1680 | 2545 | 1717 | 3004 | 33 | 26 | 25 | 26 | 18 | 32 | 28 | 41 | 2324 | 15905 |
| 2025 | 12 | 01 | 10 | 1558 | 601 | 2362 | 1698 | 2448 | 2485 | 2193 | 21 | 28 | 31 | 27 | 28 | 19 | 37 | 38 | 2313 | 15887 |
| 2025 | 12 | 01 | 09 | 1556 | 600 | 2159 | 1652 | 2422 | 2309 | 2636 | 24 | 20 | 28 | 33 | 21 | 36 | 27 | 47 | 2297 | 15867 |
| 2025 | 12 | 01 | 08 | 1555 | 599 | 1625 | 2240 | 1924 | 2743 | 2638 | 16 | 35 | 25 | 22 | 39 | 23 | 35 | 39 | 2284 | 15842 |
| 2025 | 12 | 01 | 07 | 1553 | 599 | 2124 | 2020 | 2054 | 2171 | 2794 | 21 | 31 | 37 | 24 | 24 | 26 | 36 | 38 | 2275 | 15827 |
| 2025 | 12 | 01 | 06 | 1553 | 598 | 2566 | 1642 | 1706 | 2333 | 2914 | 31 | 26 | 33 | 35 | 22 | 35 | 22 | 37 | 2249 | 15802 |
| 2025 | 12 | 01 | 05 | 1555 | 597 | 2152 | 1672 | 2233 | 2418 | 2677 | 22 | 26 | 25 | 36 | 28 | 27 | 25 | 45 | 2244 | 15782 |
| 2025 | 12 | 01 | 04 | 1557 | 598 | 1734 | 1770 | 2671 | 2389 | 2583 | 30 | 25 | 30 | 25 | 24 | 21 | 33 | 39 | 2193 | 15722 |
| 2025 | 12 | 01 | 03 | 1556 | 598 | 2418 | 2003 | 2917 | 2061 | 1735 | 28 | 28 | 28 | 32 | 31 | 20 | 33 | 43 | 2164 | 15695 |
| 2025 | 12 | 01 | 02 | 1557 | 597 | 1922 | 1906 | 2177 | 2535 | 2579 | 32 | 25 | 27 | 26 | 24 | 33 | 29 | 38 | 2152 | 15659 |
| 2025 | 12 | 01 | 01 | 1553 | 597 | 1344 | 1920 | 2774 | 2600 | 2453 | 23 | 30 | 31 | 34 | 28 | 21 | 27 | 46 | 2108 | 15589 |
| 2025 | 12 | 01 | 00 | 1555 | 602 | 2344 | 1731 | 2424 | 2337 | 2439 | 19 | 31 | 30 | 31 | 17 | 28 | 33 | 45 | 2372 | 16038 |
| 2025 | 11 | 30 | 23 | 1554 | 603 | 1532 | 1852 | 2779 | 2723 | 2383 | 20 | 24 | 27 | 23 | 20 | 29 | 45 | 41 | 2376 | 16031 |
| 2025 | 11 | 30 | 22 | 1552 | 602 | 2318 | 1874 | 2405 | 2045 | 2621 | 28 | 19 | 31 | 38 | 15 | 21 | 33 | 42 | 2375 | 16019 |
| 2025 | 11 | 30 | 21 | 1553 | 602 | 2598 | 1616 | 2250 | 2476 | 2319 | 27 | 26 | 41 | 31 | 17 | 37 | 29 | 38 | 2350 | 16010 |
| 2025 | 11 | 30 | 20 | 1552 | 602 | 2324 | 1812 | 3037 | 1698 | 2384 | 27 | 24 | 31 | 37 | 32 | 25 | 24 | 33 | 2358 | 16000 |
| 2025 | 11 | 30 | 19 | 1555 | 598 | 2524 | 1871 | 2070 | 2412 | 2396 | 20 | 33 | 35 | 25 | 26 | 29 | 23 | 43 | 2322 | 15982 |
| 2025 | 11 | 30 | 18 | 1553 | 600 | 2082 | 2141 | 2253 | 2261 | 2521 | 21 | 34 | 35 | 26 | 27 | 29 | 24 | 45 | 2327 | 15979 |
| 2025 | 11 | 30 | 17 | 1553 | 598 | 2270 | 1731 | 2240 | 2506 | 2488 | 24 | 31 | 24 | 26 | 33 | 43 | 32 | 32 | 2332 | 15963 |
| 2025 | 11 | 30 | 16 | 1553 | 599 | 2649 | 1631 | 2230 | 2714 | 2004 | 17 | 28 | 25 | 28 | 33 | 36 | 32 | 38 | 2332 | 15949 |
| 2025 | 11 | 30 | 15 | 1551 | 599 | 1979 | 1976 | 2332 | 2519 | 2417 | 21 | 28 | 30 | 35 | 27 | 32 | 29 | 38 | 2319 | 15932 |
| 2025 | 11 | 30 | 14 | 1553 | 600 | 1868 | 2179 | 2061 | 2988 | 2124 | 17 | 31 | 35 | 34 | 28 | 35 | 26 | 38 | 2306 | 15923 |
| 2025 | 11 | 30 | 13 | 1551 | 600 | 2218 | 1847 | 2189 | 1987 | 2967 | 21 | 28 | 34 | 32 | 27 | 19 | 47 | 33 | 2309 | 15909 |
| 2025 | 11 | 30 | 12 | 1553 | 600 | 2581 | 1829 | 1852 | 2379 | 2560 | 25 | 31 | 31 | 31 | 27 | 33 | 27 | 33 | 2300 | 15892 |
| 2025 | 11 | 30 | 11 | 1551 | 600 | 2141 | 1814 | 2122 | 2649 | 2474 | 37 | 19 | 30 | 25 | 27 | 32 | 34 | 34 | 2293 | 15882 |
| 2025 | 11 | 30 | 10 | 1551 | 598 | 2113 | 2187 | 2069 | 2117 | 2705 | 22 | 29 | 30 | 32 | 23 | 35 | 27 | 44 | 2281 | 15863 |
| 2025 | 11 | 30 | 09 | 1551 | 597 | 2227 | 1914 | 2133 | 2572 | 2339 | 33 | 29 | 21 | 26 | 30 | 27 | 33 | 36 | 2276 | 15844 |
| 2025 | 11 | 30 | 08 | 1549 | 598 | 2083 | 1549 | 1802 | 3154 | 2593 | 22 | 20 | 27 | 46 | 27 | 24 | 36 | 48 | 2248 | 15826 |