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 | 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 |
| 2025 | 12 | 12 | 11 | 1562 | 606 | 1902 | 2373 | 1979 | 2157 | 2723 | 28 | 22 | 31 | 21 | 28 | 23 | 30 | 39 | 2324 | 15848 |
| 2025 | 12 | 12 | 10 | 1560 | 605 | 1467 | 2017 | 2791 | 2668 | 2186 | 20 | 23 | 31 | 31 | 32 | 27 | 27 | 46 | 2301 | 15832 |
| 2025 | 12 | 12 | 09 | 1558 | 604 | 2149 | 1569 | 2507 | 2642 | 2258 | 32 | 25 | 25 | 31 | 19 | 25 | 30 | 40 | 2301 | 15815 |
| 2025 | 12 | 12 | 08 | 1557 | 602 | 2322 | 1939 | 1942 | 2285 | 2626 | 20 | 25 | 32 | 32 | 18 | 26 | 41 | 40 | 2279 | 15786 |
| 2025 | 12 | 12 | 07 | 1555 | 602 | 1710 | 1510 | 2850 | 2796 | 2241 | 21 | 21 | 27 | 26 | 21 | 31 | 36 | 38 | 2278 | 15763 |
| 2025 | 12 | 12 | 06 | 1556 | 603 | 2091 | 1986 | 2243 | 2352 | 2418 | 28 | 24 | 33 | 33 | 23 | 30 | 33 | 29 | 2241 | 15723 |
| 2025 | 12 | 12 | 05 | 1555 | 603 | 2512 | 2010 | 2983 | 1728 | 1847 | 21 | 23 | 35 | 34 | 22 | 26 | 26 | 45 | 2226 | 15696 |
| 2025 | 12 | 12 | 04 | 1552 | 603 | 2378 | 1720 | 2131 | 2140 | 2704 | 25 | 30 | 35 | 25 | 11 | 32 | 35 | 39 | 2212 | 15672 |
| 2025 | 12 | 12 | 03 | 1554 | 602 | 2046 | 1824 | 1856 | 2466 | 2866 | 28 | 28 | 27 | 26 | 23 | 26 | 33 | 42 | 2192 | 15639 |
| 2025 | 12 | 12 | 02 | 1550 | 602 | 1990 | 2200 | 2395 | 1937 | 2515 | 19 | 18 | 28 | 33 | 25 | 30 | 33 | 36 | 2182 | 15593 |
| 2025 | 12 | 12 | 01 | 1550 | 602 | 2923 | 1707 | 1788 | 1892 | 2684 | 25 | 23 | 26 | 23 | 35 | 26 | 25 | 52 | 2132 | 15513 |
| 2025 | 12 | 12 | 00 | 1560 | 609 | 2284 | 1852 | 1675 | 2796 | 2616 | 35 | 23 | 24 | 29 | 28 | 33 | 33 | 37 | 2331 | 15965 |
| 2025 | 12 | 11 | 23 | 1560 | 607 | 2842 | 1706 | 2042 | 2586 | 2043 | 20 | 30 | 27 | 29 | 20 | 30 | 37 | 48 | 2330 | 15957 |
| 2025 | 12 | 11 | 22 | 1559 | 607 | 2254 | 1825 | 2173 | 2210 | 2748 | 25 | 27 | 38 | 22 | 26 | 26 | 28 | 43 | 2337 | 15948 |
| 2025 | 12 | 11 | 21 | 1560 | 608 | 1690 | 1926 | 2532 | 2342 | 2710 | 24 | 22 | 30 | 30 | 28 | 27 | 37 | 39 | 2335 | 15940 |
| 2025 | 12 | 11 | 20 | 1558 | 608 | 1976 | 1779 | 2185 | 2799 | 2464 | 27 | 24 | 18 | 28 | 27 | 29 | 37 | 48 | 2325 | 15932 |