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 | 09 | 06 | 1588 | 620 | 1668 | 1848 | 2824 | 2313 | 2499 | 25 | 31 | 38 | 27 | 23 | 30 | 25 | 53 | 2254 | 15866 |
| 2026 | 01 | 09 | 05 | 1586 | 620 | 2456 | 2035 | 2071 | 1442 | 3145 | 29 | 23 | 31 | 24 | 34 | 27 | 40 | 42 | 2243 | 15848 |
| 2026 | 01 | 09 | 04 | 1586 | 620 | 2643 | 1768 | 2824 | 1599 | 2305 | 27 | 28 | 32 | 34 | 29 | 30 | 33 | 44 | 2221 | 15823 |
| 2026 | 01 | 09 | 03 | 1588 | 620 | 2196 | 1687 | 2806 | 2063 | 2367 | 27 | 29 | 27 | 28 | 35 | 42 | 33 | 41 | 2211 | 15800 |
| 2026 | 01 | 09 | 02 | 1586 | 620 | 2637 | 1902 | 2110 | 2265 | 2198 | 28 | 32 | 35 | 28 | 34 | 37 | 28 | 35 | 2193 | 15768 |
| 2026 | 01 | 09 | 01 | 1587 | 620 | 1780 | 1838 | 1797 | 2946 | 2715 | 27 | 23 | 27 | 28 | 37 | 47 | 32 | 41 | 2134 | 15679 |
| 2026 | 01 | 09 | 00 | 1589 | 625 | 1998 | 2114 | 2039 | 2170 | 2966 | 28 | 27 | 35 | 29 | 32 | 37 | 33 | 35 | 2374 | 16131 |
| 2026 | 01 | 08 | 23 | 1591 | 625 | 1928 | 1734 | 2458 | 2546 | 2614 | 32 | 24 | 26 | 28 | 35 | 32 | 38 | 36 | 2371 | 16118 |
| 2026 | 01 | 08 | 22 | 1589 | 625 | 2066 | 2042 | 2498 | 2333 | 2336 | 20 | 27 | 35 | 36 | 36 | 32 | 37 | 35 | 2363 | 16110 |
| 2026 | 01 | 08 | 21 | 1590 | 625 | 2716 | 1795 | 2038 | 2143 | 2575 | 28 | 41 | 37 | 28 | 31 | 29 | 29 | 34 | 2358 | 16097 |
| 2026 | 01 | 08 | 20 | 1590 | 623 | 1737 | 1811 | 2296 | 2375 | 3050 | 23 | 40 | 34 | 18 | 32 | 34 | 27 | 44 | 2354 | 16088 |
| 2026 | 01 | 08 | 19 | 1586 | 623 | 1920 | 1892 | 2733 | 2527 | 2192 | 27 | 24 | 35 | 24 | 29 | 42 | 39 | 48 | 2330 | 16071 |
| 2026 | 01 | 08 | 18 | 1587 | 623 | 2030 | 1689 | 2238 | 2728 | 2574 | 22 | 29 | 27 | 27 | 32 | 46 | 24 | 47 | 2322 | 16045 |
| 2026 | 01 | 08 | 17 | 1587 | 624 | 2234 | 1810 | 2070 | 2579 | 2556 | 28 | 32 | 28 | 32 | 36 | 33 | 26 | 38 | 2316 | 16029 |
| 2026 | 01 | 08 | 16 | 1587 | 623 | 2172 | 1707 | 2620 | 2148 | 2592 | 32 | 25 | 30 | 23 | 36 | 31 | 25 | 47 | 2310 | 16008 |
| 2026 | 01 | 08 | 15 | 1586 | 623 | 2612 | 1753 | 1866 | 2154 | 2851 | 19 | 28 | 23 | 21 | 26 | 40 | 43 | 43 | 2307 | 15995 |
| 2026 | 01 | 08 | 14 | 1588 | 623 | 1894 | 1989 | 1979 | 2643 | 2717 | 22 | 27 | 25 | 33 | 35 | 33 | 35 | 38 | 2297 | 15978 |
| 2026 | 01 | 08 | 13 | 1586 | 622 | 2239 | 1828 | 2390 | 1946 | 2818 | 22 | 38 | 31 | 25 | 33 | 36 | 30 | 40 | 2274 | 15958 |
| 2026 | 01 | 08 | 12 | 1585 | 622 | 2833 | 2072 | 1861 | 1857 | 2590 | 25 | 30 | 22 | 23 | 29 | 39 | 39 | 42 | 2270 | 15939 |
| 2026 | 01 | 08 | 11 | 1588 | 620 | 2547 | 2191 | 1839 | 2268 | 2364 | 16 | 32 | 26 | 31 | 31 | 33 | 28 | 38 | 2269 | 15921 |
| 2026 | 01 | 08 | 10 | 1586 | 619 | 2432 | 2006 | 2260 | 2188 | 2313 | 24 | 18 | 41 | 26 | 35 | 30 | 31 | 45 | 2249 | 15903 |
| 2026 | 01 | 08 | 09 | 1586 | 619 | 2708 | 2231 | 2225 | 1543 | 2482 | 22 | 33 | 31 | 28 | 31 | 32 | 24 | 44 | 2245 | 15884 |
| 2026 | 01 | 08 | 08 | 1584 | 620 | 2083 | 2028 | 2417 | 2227 | 2424 | 22 | 33 | 29 | 26 | 34 | 35 | 24 | 47 | 2227 | 15860 |
| 2026 | 01 | 08 | 07 | 1586 | 619 | 2178 | 1727 | 2540 | 2105 | 2616 | 25 | 29 | 28 | 39 | 31 | 39 | 32 | 35 | 2208 | 15837 |
| 2026 | 01 | 08 | 06 | 1586 | 619 | 2272 | 2189 | 1805 | 2316 | 2579 | 23 | 31 | 18 | 30 | 36 | 28 | 42 | 38 | 2202 | 15814 |
| 2026 | 01 | 08 | 05 | 1585 | 619 | 1600 | 1787 | 2865 | 1952 | 2945 | 24 | 28 | 25 | 26 | 40 | 37 | 29 | 43 | 2192 | 15797 |
| 2026 | 01 | 08 | 04 | 1585 | 618 | 2306 | 1595 | 1845 | 2693 | 2707 | 25 | 25 | 23 | 31 | 35 | 28 | 39 | 50 | 2179 | 15784 |
| 2026 | 01 | 08 | 03 | 1586 | 618 | 2349 | 1363 | 2075 | 2591 | 2749 | 18 | 23 | 33 | 32 | 38 | 33 | 32 | 33 | 2186 | 15759 |
| 2026 | 01 | 08 | 02 | 1589 | 617 | 2006 | 1882 | 2060 | 2356 | 2813 | 32 | 28 | 33 | 31 | 32 | 24 | 24 | 40 | 2160 | 15727 |
| 2026 | 01 | 08 | 01 | 1585 | 618 | 2334 | 1586 | 2368 | 1945 | 2851 | 18 | 26 | 30 | 32 | 40 | 31 | 36 | 35 | 2115 | 15650 |
| 2026 | 01 | 08 | 00 | 1592 | 621 | 2538 | 1795 | 2270 | 2496 | 2182 | 24 | 44 | 26 | 28 | 28 | 28 | 34 | 45 | 2338 | 16089 |
| 2026 | 01 | 07 | 23 | 1592 | 621 | 2357 | 2267 | 2413 | 2249 | 1993 | 20 | 33 | 36 | 24 | 37 | 24 | 32 | 43 | 2341 | 16082 |
| 2026 | 01 | 07 | 22 | 1590 | 621 | 2155 | 2085 | 2563 | 1875 | 2596 | 29 | 19 | 31 | 26 | 28 | 29 | 36 | 49 | 2344 | 16076 |
| 2026 | 01 | 07 | 21 | 1590 | 621 | 2779 | 1764 | 1906 | 2404 | 2409 | 18 | 22 | 30 | 30 | 25 | 39 | 40 | 55 | 2330 | 16062 |
| 2026 | 01 | 07 | 20 | 1587 | 621 | 2156 | 1996 | 2183 | 2116 | 2810 | 16 | 26 | 29 | 21 | 40 | 35 | 42 | 38 | 2336 | 16052 |
| 2026 | 01 | 07 | 19 | 1590 | 620 | 1647 | 1920 | 2786 | 2117 | 2786 | 19 | 21 | 33 | 31 | 33 | 35 | 39 | 40 | 2324 | 16041 |
| 2026 | 01 | 07 | 18 | 1592 | 620 | 2165 | 1782 | 2310 | 2199 | 2785 | 21 | 24 | 25 | 34 | 33 | 28 | 35 | 48 | 2325 | 16026 |
| 2026 | 01 | 07 | 17 | 1591 | 620 | 2222 | 1433 | 2642 | 1933 | 3001 | 26 | 29 | 29 | 30 | 30 | 33 | 26 | 42 | 2325 | 16012 |
| 2026 | 01 | 07 | 16 | 1591 | 620 | 2725 | 2187 | 1956 | 2009 | 2348 | 18 | 36 | 29 | 29 | 35 | 29 | 29 | 43 | 2315 | 15999 |
| 2026 | 01 | 07 | 15 | 1591 | 620 | 1902 | 1701 | 1974 | 2923 | 2723 | 23 | 34 | 28 | 34 | 38 | 24 | 33 | 40 | 2303 | 15991 |
| 2026 | 01 | 07 | 14 | 1590 | 619 | 2231 | 1923 | 2417 | 2123 | 2526 | 17 | 24 | 26 | 39 | 22 | 36 | 37 | 48 | 2300 | 15978 |
| 2026 | 01 | 07 | 13 | 1591 | 617 | 1612 | 2156 | 2950 | 2156 | 2337 | 29 | 29 | 29 | 22 | 32 | 35 | 40 | 35 | 2290 | 15960 |
| 2026 | 01 | 07 | 12 | 1591 | 617 | 2524 | 1664 | 1539 | 2690 | 2791 | 20 | 17 | 25 | 29 | 44 | 34 | 33 | 39 | 2281 | 15938 |
| 2026 | 01 | 07 | 11 | 1593 | 618 | 2110 | 2290 | 2290 | 2137 | 2372 | 23 | 36 | 30 | 33 | 41 | 25 | 23 | 35 | 2262 | 15918 |
| 2026 | 01 | 07 | 10 | 1590 | 618 | 2088 | 1891 | 2408 | 2196 | 2602 | 28 | 24 | 26 | 36 | 28 | 43 | 29 | 42 | 2247 | 15896 |
| 2026 | 01 | 07 | 09 | 1591 | 618 | 2057 | 1667 | 2657 | 2004 | 2789 | 32 | 26 | 30 | 24 | 31 | 31 | 31 | 51 | 2233 | 15872 |
| 2026 | 01 | 07 | 08 | 1588 | 618 | 2024 | 1873 | 2001 | 2876 | 2396 | 24 | 29 | 31 | 24 | 34 | 23 | 36 | 49 | 2225 | 15851 |
| 2026 | 01 | 07 | 07 | 1591 | 618 | 2205 | 1650 | 2053 | 2750 | 2504 | 35 | 20 | 31 | 30 | 32 | 28 | 31 | 41 | 2215 | 15834 |