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 | 14 | 11 | 1564 | 603 | 1605 | 1918 | 2446 | 2381 | 2826 | 21 | 24 | 27 | 28 | 26 | 30 | 37 | 47 | 2317 | 15900 |
| 2025 | 12 | 14 | 10 | 1564 | 603 | 2773 | 1615 | 1830 | 2926 | 2026 | 23 | 25 | 27 | 19 | 22 | 36 | 36 | 42 | 2314 | 15881 |
| 2025 | 12 | 14 | 09 | 1563 | 605 | 1661 | 2176 | 2115 | 2461 | 2743 | 24 | 29 | 24 | 29 | 27 | 32 | 35 | 32 | 2307 | 15863 |
| 2025 | 12 | 14 | 08 | 1564 | 605 | 2073 | 2027 | 1868 | 2399 | 2780 | 19 | 27 | 29 | 30 | 22 | 27 | 42 | 40 | 2295 | 15847 |
| 2025 | 12 | 14 | 07 | 1562 | 605 | 2194 | 1946 | 2041 | 2648 | 2312 | 33 | 18 | 29 | 29 | 21 | 31 | 24 | 40 | 2285 | 15818 |
| 2025 | 12 | 14 | 06 | 1559 | 604 | 2577 | 1662 | 2378 | 2243 | 2280 | 27 | 21 | 29 | 31 | 19 | 29 | 28 | 45 | 2264 | 15796 |
| 2025 | 12 | 14 | 05 | 1561 | 603 | 2075 | 1890 | 2212 | 2444 | 2502 | 32 | 23 | 27 | 22 | 23 | 40 | 33 | 35 | 2246 | 15768 |
| 2025 | 12 | 14 | 04 | 1564 | 603 | 2356 | 2190 | 1836 | 1859 | 2873 | 23 | 21 | 32 | 26 | 32 | 33 | 27 | 36 | 2242 | 15753 |
| 2025 | 12 | 14 | 03 | 1563 | 602 | 2498 | 1794 | 1939 | 2587 | 2288 | 23 | 27 | 17 | 28 | 36 | 27 | 25 | 36 | 2241 | 15731 |
| 2025 | 12 | 14 | 02 | 1562 | 601 | 1795 | 1685 | 2439 | 2578 | 2588 | 24 | 29 | 20 | 23 | 29 | 35 | 35 | 37 | 2213 | 15693 |
| 2025 | 12 | 14 | 01 | 1559 | 602 | 1666 | 1927 | 2539 | 2463 | 2457 | 28 | 17 | 28 | 28 | 22 | 29 | 29 | 51 | 2178 | 15623 |
| 2025 | 12 | 14 | 00 | 1561 | 604 | 2297 | 1804 | 2536 | 2175 | 2431 | 24 | 30 | 24 | 21 | 27 | 32 | 33 | 47 | 2396 | 16042 |
| 2025 | 12 | 13 | 23 | 1561 | 605 | 2124 | 2030 | 2111 | 2060 | 2911 | 38 | 25 | 26 | 30 | 19 | 42 | 26 | 30 | 2398 | 16036 |
| 2025 | 12 | 13 | 22 | 1561 | 605 | 2718 | 1580 | 2423 | 2125 | 2385 | 26 | 24 | 26 | 33 | 32 | 34 | 31 | 37 | 2384 | 16024 |
| 2025 | 12 | 13 | 21 | 1558 | 605 | 2004 | 1743 | 2266 | 2448 | 2766 | 27 | 24 | 28 | 26 | 33 | 20 | 34 | 43 | 2392 | 16017 |
| 2025 | 12 | 13 | 20 | 1560 | 605 | 2060 | 1925 | 1688 | 2557 | 2995 | 26 | 17 | 30 | 32 | 16 | 32 | 33 | 49 | 2380 | 16005 |
| 2025 | 12 | 13 | 19 | 1560 | 604 | 2126 | 1993 | 2229 | 2674 | 2195 | 19 | 26 | 32 | 37 | 14 | 32 | 45 | 31 | 2379 | 15996 |
| 2025 | 12 | 13 | 18 | 1558 | 604 | 2311 | 1931 | 2082 | 2532 | 2363 | 23 | 18 | 33 | 28 | 19 | 28 | 37 | 42 | 2382 | 15991 |
| 2025 | 12 | 13 | 17 | 1557 | 603 | 2799 | 1724 | 2456 | 1842 | 2382 | 25 | 21 | 34 | 33 | 22 | 30 | 27 | 38 | 2378 | 15971 |
| 2025 | 12 | 13 | 16 | 1556 | 602 | 2335 | 1707 | 1963 | 2261 | 2922 | 28 | 27 | 26 | 27 | 20 | 33 | 33 | 40 | 2373 | 15953 |
| 2025 | 12 | 13 | 15 | 1558 | 603 | 2196 | 1403 | 2417 | 2466 | 2701 | 22 | 22 | 23 | 34 | 19 | 38 | 37 | 39 | 2358 | 15936 |
| 2025 | 12 | 13 | 14 | 1555 | 604 | 2133 | 1915 | 2254 | 1677 | 3196 | 25 | 35 | 22 | 33 | 24 | 37 | 27 | 34 | 2347 | 15918 |
| 2025 | 12 | 13 | 13 | 1558 | 604 | 2204 | 1740 | 1786 | 2674 | 2759 | 27 | 19 | 23 | 38 | 32 | 24 | 29 | 42 | 2344 | 15903 |
| 2025 | 12 | 13 | 12 | 1558 | 604 | 2350 | 1886 | 2435 | 1718 | 2767 | 26 | 17 | 28 | 34 | 27 | 36 | 28 | 45 | 2331 | 15890 |
| 2025 | 12 | 13 | 11 | 1559 | 604 | 2241 | 1964 | 2183 | 2096 | 2668 | 26 | 15 | 42 | 27 | 23 | 31 | 33 | 39 | 2320 | 15871 |
| 2025 | 12 | 13 | 10 | 1557 | 603 | 2285 | 1976 | 2580 | 2263 | 2044 | 19 | 29 | 33 | 35 | 31 | 34 | 23 | 44 | 2303 | 15859 |
| 2025 | 12 | 13 | 09 | 1557 | 603 | 1987 | 1668 | 2427 | 2354 | 2703 | 22 | 22 | 33 | 23 | 26 | 28 | 22 | 49 | 2313 | 15837 |
| 2025 | 12 | 13 | 08 | 1558 | 603 | 1575 | 2052 | 2687 | 2135 | 2679 | 22 | 29 | 22 | 34 | 26 | 35 | 29 | 38 | 2287 | 15811 |
| 2025 | 12 | 13 | 07 | 1557 | 602 | 2295 | 1639 | 2108 | 2848 | 2229 | 26 | 26 | 27 | 28 | 29 | 25 | 34 | 48 | 2263 | 15784 |
| 2025 | 12 | 13 | 06 | 1558 | 604 | 1587 | 1867 | 2566 | 2735 | 2360 | 25 | 13 | 26 | 30 | 32 | 37 | 32 | 42 | 2241 | 15755 |
| 2025 | 12 | 13 | 05 | 1559 | 603 | 2416 | 1746 | 2008 | 2095 | 2829 | 24 | 23 | 22 | 30 | 26 | 38 | 31 | 44 | 2240 | 15734 |
| 2025 | 12 | 13 | 04 | 1556 | 603 | 2668 | 1443 | 2235 | 2440 | 2303 | 24 | 30 | 22 | 38 | 31 | 28 | 34 | 39 | 2217 | 15711 |
| 2025 | 12 | 13 | 03 | 1557 | 603 | 2099 | 2006 | 2316 | 2281 | 2366 | 31 | 19 | 26 | 23 | 26 | 39 | 35 | 36 | 2225 | 15688 |
| 2025 | 12 | 13 | 02 | 1554 | 602 | 2016 | 2045 | 1828 | 2955 | 2206 | 24 | 27 | 35 | 25 | 27 | 31 | 36 | 40 | 2199 | 15650 |
| 2025 | 12 | 13 | 01 | 1555 | 602 | 2260 | 1816 | 2221 | 2395 | 2329 | 30 | 22 | 33 | 23 | 17 | 40 | 25 | 43 | 2184 | 15595 |
| 2025 | 12 | 13 | 00 | 1559 | 606 | 1798 | 2006 | 2464 | 2468 | 2507 | 25 | 31 | 25 | 33 | 22 | 38 | 34 | 38 | 2388 | 16042 |
| 2025 | 12 | 12 | 23 | 1561 | 605 | 1640 | 1931 | 2032 | 2717 | 2920 | 25 | 28 | 28 | 32 | 28 | 23 | 24 | 49 | 2390 | 16033 |
| 2025 | 12 | 12 | 22 | 1560 | 606 | 2744 | 1605 | 2200 | 2695 | 1987 | 22 | 27 | 23 | 40 | 28 | 30 | 28 | 42 | 2387 | 16024 |
| 2025 | 12 | 12 | 21 | 1565 | 607 | 2351 | 1674 | 2585 | 2173 | 2437 | 17 | 34 | 33 | 30 | 20 | 28 | 28 | 46 | 2384 | 16012 |
| 2025 | 12 | 12 | 20 | 1565 | 607 | 1999 | 2087 | 2372 | 1690 | 3069 | 19 | 26 | 38 | 25 | 28 | 27 | 30 | 42 | 2378 | 16002 |
| 2025 | 12 | 12 | 19 | 1564 | 607 | 2222 | 1507 | 2728 | 2099 | 2650 | 19 | 36 | 29 | 36 | 23 | 30 | 25 | 45 | 2370 | 15990 |
| 2025 | 12 | 12 | 18 | 1561 | 606 | 1844 | 1817 | 2707 | 2242 | 2591 | 18 | 27 | 31 | 36 | 25 | 38 | 27 | 33 | 2373 | 15976 |
| 2025 | 12 | 12 | 17 | 1559 | 607 | 2005 | 1937 | 1995 | 2539 | 2717 | 27 | 27 | 18 | 37 | 20 | 32 | 38 | 35 | 2369 | 15962 |
| 2025 | 12 | 12 | 16 | 1559 | 606 | 1978 | 2062 | 2830 | 2229 | 2088 | 22 | 23 | 24 | 27 | 29 | 38 | 31 | 39 | 2363 | 15948 |
| 2025 | 12 | 12 | 15 | 1557 | 606 | 2145 | 1994 | 2538 | 2178 | 2321 | 26 | 26 | 24 | 33 | 18 | 32 | 27 | 43 | 2356 | 15924 |
| 2025 | 12 | 12 | 14 | 1559 | 607 | 2115 | 1492 | 2588 | 2220 | 2742 | 31 | 24 | 21 | 24 | 32 | 29 | 30 | 43 | 2349 | 15906 |
| 2025 | 12 | 12 | 13 | 1561 | 606 | 1766 | 1832 | 2472 | 2806 | 2272 | 26 | 27 | 29 | 28 | 19 | 34 | 26 | 42 | 2334 | 15880 |
| 2025 | 12 | 12 | 12 | 1564 | 607 | 2067 | 1824 | 2189 | 2444 | 2615 | 26 | 29 | 28 | 28 | 17 | 32 | 36 | 49 | 2312 | 15867 |