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 |
| 2026 | 01 | 05 | 04 | 1584 | 617 | 2699 | 1578 | 2192 | 1974 | 2687 | 30 | 25 | 28 | 24 | 29 | 33 | 36 | 46 | 2218 | 15800 |
| 2026 | 01 | 05 | 03 | 1586 | 616 | 2039 | 1599 | 2128 | 2278 | 3068 | 17 | 31 | 34 | 24 | 34 | 28 | 36 | 36 | 2219 | 15773 |
| 2026 | 01 | 05 | 02 | 1588 | 616 | 1707 | 1770 | 2039 | 2572 | 3005 | 36 | 27 | 27 | 22 | 26 | 26 | 41 | 51 | 2186 | 15739 |
| 2026 | 01 | 05 | 01 | 1588 | 616 | 2284 | 1844 | 2648 | 1775 | 2505 | 30 | 28 | 43 | 27 | 26 | 22 | 32 | 38 | 2154 | 15660 |
| 2026 | 01 | 05 | 00 | 1592 | 621 | 1758 | 1604 | 2361 | 2282 | 3260 | 23 | 25 | 33 | 29 | 41 | 29 | 32 | 35 | 2413 | 16138 |
| 2026 | 01 | 04 | 23 | 1591 | 621 | 2262 | 1806 | 2398 | 1983 | 2815 | 24 | 35 | 34 | 26 | 39 | 23 | 29 | 33 | 2414 | 16133 |
| 2026 | 01 | 04 | 22 | 1592 | 620 | 2149 | 1598 | 2011 | 3093 | 2413 | 24 | 23 | 33 | 36 | 37 | 24 | 27 | 44 | 2403 | 16127 |
| 2026 | 01 | 04 | 21 | 1591 | 621 | 1893 | 1649 | 2045 | 2730 | 2942 | 30 | 32 | 24 | 38 | 28 | 29 | 26 | 45 | 2397 | 16120 |
| 2026 | 01 | 04 | 20 | 1591 | 620 | 1731 | 2007 | 2652 | 2319 | 2544 | 25 | 29 | 34 | 20 | 32 | 31 | 37 | 46 | 2395 | 16113 |
| 2026 | 01 | 04 | 19 | 1592 | 620 | 2070 | 1615 | 2069 | 2620 | 2872 | 24 | 29 | 27 | 34 | 41 | 25 | 28 | 34 | 2402 | 16102 |
| 2026 | 01 | 04 | 18 | 1590 | 620 | 2417 | 1712 | 2066 | 2203 | 2845 | 30 | 29 | 34 | 30 | 25 | 25 | 37 | 36 | 2391 | 16090 |
| 2026 | 01 | 04 | 17 | 1589 | 620 | 1916 | 1854 | 2781 | 2038 | 2647 | 28 | 33 | 27 | 26 | 30 | 31 | 34 | 44 | 2380 | 16078 |
| 2026 | 01 | 04 | 16 | 1589 | 620 | 1876 | 2069 | 2448 | 2249 | 2588 | 28 | 27 | 32 | 28 | 25 | 38 | 39 | 35 | 2376 | 16067 |
| 2026 | 01 | 04 | 15 | 1589 | 620 | 1764 | 1696 | 2453 | 2432 | 2881 | 39 | 26 | 30 | 27 | 33 | 28 | 24 | 44 | 2365 | 16051 |
| 2026 | 01 | 04 | 14 | 1589 | 620 | 1875 | 1888 | 2413 | 2577 | 2471 | 23 | 37 | 31 | 31 | 34 | 38 | 16 | 45 | 2341 | 16029 |
| 2026 | 01 | 04 | 13 | 1590 | 620 | 1812 | 1991 | 2576 | 2537 | 2300 | 28 | 25 | 41 | 33 | 32 | 24 | 28 | 40 | 2340 | 16017 |
| 2026 | 01 | 04 | 12 | 1591 | 620 | 1846 | 1966 | 2086 | 2465 | 2839 | 22 | 40 | 26 | 25 | 31 | 35 | 34 | 36 | 2334 | 15996 |
| 2026 | 01 | 04 | 11 | 1593 | 620 | 2178 | 1891 | 2600 | 1928 | 2600 | 25 | 31 | 29 | 32 | 25 | 35 | 28 | 38 | 2329 | 15982 |
| 2026 | 01 | 04 | 10 | 1592 | 620 | 2374 | 1788 | 2537 | 1801 | 2691 | 24 | 30 | 33 | 31 | 29 | 27 | 34 | 33 | 2313 | 15957 |
| 2026 | 01 | 04 | 09 | 1592 | 620 | 1877 | 2036 | 2600 | 2338 | 2332 | 29 | 21 | 32 | 29 | 40 | 28 | 29 | 38 | 2290 | 15931 |
| 2026 | 01 | 04 | 08 | 1588 | 618 | 1742 | 1874 | 3025 | 1903 | 2636 | 26 | 26 | 26 | 25 | 34 | 34 | 29 | 41 | 2279 | 15906 |
| 2026 | 01 | 04 | 07 | 1590 | 619 | 2428 | 1846 | 2319 | 2699 | 1874 | 25 | 29 | 27 | 24 | 34 | 28 | 29 | 42 | 2268 | 15881 |
| 2026 | 01 | 04 | 06 | 1587 | 618 | 1979 | 1815 | 2402 | 2259 | 2706 | 20 | 24 | 30 | 33 | 35 | 32 | 31 | 46 | 2239 | 15856 |
| 2026 | 01 | 04 | 05 | 1588 | 618 | 2740 | 1811 | 2147 | 2078 | 2370 | 39 | 26 | 27 | 32 | 28 | 29 | 33 | 45 | 2212 | 15823 |
| 2026 | 01 | 04 | 04 | 1585 | 619 | 2210 | 1999 | 2486 | 2349 | 2099 | 27 | 23 | 20 | 35 | 25 | 38 | 28 | 45 | 2195 | 15783 |
| 2026 | 01 | 04 | 03 | 1584 | 618 | 2222 | 1762 | 2061 | 2178 | 2902 | 26 | 24 | 25 | 39 | 24 | 27 | 27 | 51 | 2184 | 15754 |
| 2026 | 01 | 04 | 02 | 1583 | 617 | 2311 | 1725 | 2023 | 2615 | 2431 | 26 | 31 | 31 | 32 | 25 | 37 | 30 | 34 | 2171 | 15722 |
| 2026 | 01 | 04 | 01 | 1585 | 617 | 2200 | 1493 | 2097 | 2204 | 3076 | 34 | 20 | 27 | 35 | 31 | 21 | 29 | 46 | 2141 | 15656 |
| 2026 | 01 | 04 | 00 | 1591 | 622 | 1884 | 2139 | 2713 | 1863 | 2669 | 27 | 30 | 36 | 34 | 25 | 24 | 29 | 46 | 2344 | 16076 |
| 2026 | 01 | 03 | 23 | 1590 | 622 | 2204 | 1871 | 2380 | 1936 | 2877 | 23 | 23 | 26 | 31 | 29 | 29 | 39 | 50 | 2337 | 16067 |
| 2026 | 01 | 03 | 22 | 1588 | 622 | 2107 | 1945 | 2587 | 2431 | 2191 | 31 | 26 | 35 | 33 | 20 | 20 | 36 | 44 | 2338 | 16054 |
| 2026 | 01 | 03 | 21 | 1589 | 622 | 2121 | 2062 | 2449 | 1888 | 2732 | 28 | 21 | 28 | 39 | 24 | 16 | 43 | 48 | 2332 | 16042 |
| 2026 | 01 | 03 | 20 | 1589 | 622 | 2059 | 1641 | 2407 | 2225 | 2915 | 32 | 37 | 22 | 21 | 28 | 30 | 36 | 42 | 2329 | 16035 |
| 2026 | 01 | 03 | 19 | 1588 | 622 | 2461 | 1974 | 1975 | 2786 | 2049 | 20 | 19 | 37 | 22 | 33 | 32 | 37 | 37 | 2338 | 16030 |
| 2026 | 01 | 03 | 18 | 1586 | 622 | 2319 | 2058 | 1732 | 2386 | 2745 | 26 | 23 | 38 | 30 | 35 | 34 | 29 | 42 | 2318 | 16023 |
| 2026 | 01 | 03 | 17 | 1587 | 621 | 1899 | 2281 | 1997 | 1907 | 3152 | 30 | 24 | 35 | 25 | 26 | 22 | 31 | 53 | 2321 | 16011 |
| 2026 | 01 | 03 | 16 | 1587 | 620 | 1892 | 1807 | 2841 | 1883 | 2802 | 24 | 24 | 29 | 26 | 37 | 28 | 38 | 48 | 2308 | 15994 |
| 2026 | 01 | 03 | 15 | 1587 | 620 | 2227 | 1723 | 2074 | 2203 | 2993 | 22 | 24 | 35 | 28 | 28 | 26 | 37 | 46 | 2303 | 15976 |
| 2026 | 01 | 03 | 14 | 1589 | 620 | 2416 | 2008 | 2335 | 2311 | 2138 | 29 | 23 | 22 | 35 | 31 | 33 | 30 | 43 | 2293 | 15956 |
| 2026 | 01 | 03 | 13 | 1588 | 621 | 1854 | 1717 | 2059 | 3058 | 2507 | 28 | 31 | 28 | 33 | 22 | 26 | 45 | 42 | 2276 | 15935 |
| 2026 | 01 | 03 | 12 | 1588 | 621 | 2746 | 1727 | 2960 | 1893 | 1863 | 31 | 34 | 29 | 28 | 29 | 15 | 30 | 49 | 2279 | 15922 |
| 2026 | 01 | 03 | 11 | 1587 | 621 | 2244 | 1699 | 2925 | 2047 | 2269 | 34 | 25 | 31 | 36 | 26 | 28 | 34 | 40 | 2265 | 15911 |
| 2026 | 01 | 03 | 10 | 1589 | 620 | 2670 | 1858 | 1654 | 2743 | 2248 | 31 | 27 | 29 | 36 | 28 | 26 | 25 | 43 | 2264 | 15891 |
| 2026 | 01 | 03 | 09 | 1587 | 619 | 2184 | 1477 | 2135 | 2611 | 2765 | 38 | 28 | 31 | 27 | 21 | 30 | 30 | 35 | 2252 | 15870 |
| 2026 | 01 | 03 | 08 | 1586 | 620 | 2758 | 1730 | 2166 | 2130 | 2380 | 24 | 30 | 33 | 26 | 26 | 27 | 36 | 41 | 2239 | 15852 |
| 2026 | 01 | 03 | 07 | 1588 | 620 | 2525 | 2132 | 2258 | 1907 | 2334 | 30 | 33 | 35 | 33 | 23 | 13 | 38 | 39 | 2221 | 15829 |
| 2026 | 01 | 03 | 06 | 1586 | 620 | 2494 | 1681 | 2117 | 2225 | 2633 | 31 | 17 | 24 | 26 | 31 | 25 | 50 | 51 | 2198 | 15809 |
| 2026 | 01 | 03 | 05 | 1584 | 619 | 1644 | 2153 | 1822 | 3688 | 1830 | 36 | 31 | 25 | 35 | 29 | 22 | 31 | 41 | 2197 | 15787 |