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 | 05 | 15 | 17 | 1636 | 660 | 2166 | 2083 | 1996 | 2208 | 2613 | 23 | 31 | 41 | 27 | 26 | 29 | 32 | 47 | 2461 | 16079 |
| 2026 | 05 | 15 | 16 | 1633 | 660 | 3079 | 1535 | 1933 | 2087 | 2433 | 34 | 19 | 46 | 30 | 35 | 32 | 27 | 38 | 2448 | 16069 |
| 2026 | 05 | 15 | 15 | 1633 | 659 | 2075 | 2086 | 2463 | 1873 | 2565 | 30 | 19 | 32 | 25 | 35 | 31 | 41 | 41 | 2445 | 16053 |
| 2026 | 05 | 15 | 14 | 1635 | 659 | 1665 | 2089 | 1828 | 2729 | 2743 | 18 | 24 | 31 | 34 | 34 | 40 | 22 | 57 | 2411 | 16019 |
| 2026 | 05 | 15 | 13 | 1634 | 659 | 2094 | 1682 | 2054 | 2419 | 2802 | 27 | 33 | 29 | 33 | 25 | 24 | 30 | 50 | 2413 | 16008 |
| 2026 | 05 | 15 | 12 | 1633 | 660 | 2131 | 1677 | 2256 | 2081 | 2894 | 19 | 29 | 34 | 31 | 34 | 20 | 34 | 48 | 2414 | 15995 |
| 2026 | 05 | 15 | 11 | 1633 | 660 | 2309 | 1836 | 1937 | 2660 | 2289 | 18 | 20 | 31 | 27 | 37 | 33 | 37 | 53 | 2393 | 15973 |
| 2026 | 05 | 15 | 10 | 1632 | 660 | 2475 | 1594 | 2218 | 2074 | 2667 | 21 | 31 | 29 | 36 | 32 | 31 | 29 | 43 | 2377 | 15949 |
| 2026 | 05 | 15 | 09 | 1628 | 660 | 1650 | 1827 | 2631 | 2523 | 2394 | 31 | 18 | 33 | 38 | 29 | 24 | 37 | 45 | 2369 | 15937 |
| 2026 | 05 | 15 | 08 | 1628 | 660 | 1928 | 1633 | 2555 | 2318 | 2584 | 29 | 23 | 30 | 29 | 28 | 30 | 32 | 38 | 2373 | 15918 |
| 2026 | 05 | 15 | 07 | 1631 | 659 | 2071 | 2028 | 1784 | 2178 | 2950 | 28 | 24 | 40 | 32 | 26 | 40 | 27 | 38 | 2344 | 15900 |
| 2026 | 05 | 15 | 06 | 1631 | 658 | 2402 | 1797 | 2113 | 2154 | 2540 | 17 | 21 | 36 | 28 | 40 | 31 | 33 | 43 | 2338 | 15882 |
| 2026 | 05 | 15 | 05 | 1631 | 659 | 2076 | 1793 | 2326 | 2196 | 2597 | 28 | 25 | 37 | 31 | 28 | 26 | 36 | 41 | 2326 | 15856 |
| 2026 | 05 | 15 | 04 | 1629 | 660 | 2196 | 1965 | 2220 | 2372 | 2220 | 19 | 33 | 43 | 27 | 34 | 26 | 37 | 41 | 2305 | 15827 |
| 2026 | 05 | 15 | 03 | 1630 | 660 | 2336 | 1636 | 2378 | 2716 | 1901 | 16 | 28 | 42 | 25 | 31 | 42 | 28 | 31 | 2303 | 15803 |
| 2026 | 05 | 15 | 02 | 1631 | 660 | 1725 | 1849 | 2363 | 2548 | 2459 | 23 | 25 | 35 | 32 | 29 | 32 | 38 | 42 | 2273 | 15764 |
| 2026 | 05 | 15 | 01 | 1631 | 660 | 1691 | 1930 | 2840 | 2197 | 2243 | 28 | 31 | 34 | 20 | 22 | 32 | 42 | 41 | 2245 | 15687 |
| 2026 | 05 | 15 | 00 | 1636 | 662 | 2374 | 2056 | 1603 | 2609 | 2502 | 23 | 37 | 28 | 22 | 34 | 31 | 40 | 35 | 2499 | 16191 |
| 2026 | 05 | 14 | 23 | 1639 | 662 | 2504 | 1785 | 2543 | 1761 | 2544 | 22 | 23 | 34 | 24 | 29 | 31 | 35 | 52 | 2497 | 16185 |
| 2026 | 05 | 14 | 22 | 1640 | 660 | 2256 | 1759 | 2133 | 2070 | 2917 | 23 | 20 | 33 | 22 | 32 | 31 | 44 | 47 | 2485 | 16172 |
| 2026 | 05 | 14 | 21 | 1638 | 660 | 2240 | 1898 | 2475 | 2033 | 2485 | 26 | 31 | 32 | 29 | 25 | 33 | 30 | 46 | 2475 | 16156 |
| 2026 | 05 | 14 | 20 | 1637 | 662 | 2546 | 1978 | 2460 | 1820 | 2312 | 27 | 30 | 32 | 23 | 38 | 30 | 25 | 43 | 2473 | 16136 |
| 2026 | 05 | 14 | 19 | 1637 | 662 | 2215 | 1708 | 1839 | 2578 | 2775 | 24 | 21 | 34 | 29 | 38 | 31 | 33 | 40 | 2455 | 16119 |
| 2026 | 05 | 14 | 18 | 1635 | 662 | 2686 | 1846 | 1918 | 1708 | 2955 | 17 | 43 | 32 | 34 | 31 | 29 | 28 | 35 | 2449 | 16108 |
| 2026 | 05 | 14 | 17 | 1634 | 662 | 1969 | 1691 | 1899 | 2806 | 2739 | 24 | 24 | 27 | 24 | 38 | 33 | 33 | 42 | 2450 | 16095 |
| 2026 | 05 | 14 | 16 | 1634 | 661 | 1987 | 2174 | 2226 | 2278 | 2435 | 32 | 25 | 37 | 27 | 24 | 27 | 38 | 35 | 2441 | 16081 |
| 2026 | 05 | 14 | 15 | 1636 | 661 | 1777 | 2431 | 2523 | 1963 | 2400 | 16 | 29 | 41 | 26 | 24 | 28 | 34 | 49 | 2431 | 16069 |
| 2026 | 05 | 14 | 14 | 1637 | 659 | 2204 | 1966 | 2568 | 1900 | 2449 | 23 | 23 | 36 | 26 | 27 | 33 | 33 | 44 | 2423 | 16051 |
| 2026 | 05 | 14 | 13 | 1637 | 659 | 1784 | 1774 | 2471 | 2079 | 2969 | 16 | 32 | 41 | 27 | 33 | 23 | 30 | 38 | 2409 | 16022 |
| 2026 | 05 | 14 | 12 | 1637 | 661 | 2210 | 1788 | 2465 | 2076 | 2535 | 33 | 25 | 29 | 31 | 23 | 33 | 23 | 47 | 2395 | 16011 |
| 2026 | 05 | 14 | 11 | 1635 | 661 | 2201 | 1754 | 1898 | 2533 | 2680 | 21 | 31 | 28 | 33 | 30 | 34 | 24 | 40 | 2386 | 15989 |
| 2026 | 05 | 14 | 10 | 1636 | 660 | 2099 | 1542 | 2806 | 2163 | 2454 | 30 | 26 | 30 | 33 | 33 | 26 | 33 | 34 | 2365 | 15970 |
| 2026 | 05 | 14 | 09 | 1632 | 660 | 2342 | 1574 | 2142 | 2196 | 2803 | 29 | 18 | 37 | 30 | 37 | 28 | 34 | 45 | 2345 | 15952 |
| 2026 | 05 | 14 | 08 | 1632 | 660 | 2218 | 1622 | 1634 | 2586 | 2983 | 31 | 29 | 31 | 25 | 24 | 36 | 31 | 38 | 2346 | 15926 |
| 2026 | 05 | 14 | 07 | 1634 | 660 | 1668 | 1644 | 3003 | 2306 | 2411 | 36 | 28 | 29 | 30 | 25 | 35 | 23 | 34 | 2343 | 15909 |
| 2026 | 05 | 14 | 06 | 1636 | 657 | 1981 | 1935 | 1894 | 2616 | 2602 | 17 | 26 | 31 | 44 | 28 | 30 | 29 | 37 | 2321 | 15884 |
| 2026 | 05 | 14 | 05 | 1635 | 658 | 1595 | 1892 | 1872 | 3131 | 2525 | 25 | 27 | 44 | 31 | 32 | 20 | 33 | 33 | 2306 | 15859 |
| 2026 | 05 | 14 | 04 | 1633 | 659 | 1822 | 1933 | 1844 | 2218 | 3174 | 26 | 26 | 30 | 41 | 26 | 18 | 34 | 49 | 2289 | 15822 |
| 2026 | 05 | 14 | 03 | 1634 | 659 | 1449 | 1730 | 2187 | 2804 | 2809 | 32 | 27 | 30 | 29 | 34 | 20 | 28 | 34 | 2282 | 15788 |
| 2026 | 05 | 14 | 02 | 1634 | 659 | 1938 | 1892 | 1652 | 2371 | 3102 | 23 | 30 | 34 | 26 | 29 | 23 | 35 | 52 | 2243 | 15743 |
| 2026 | 05 | 14 | 01 | 1630 | 659 | 1807 | 1914 | 2102 | 2190 | 2909 | 38 | 22 | 43 | 31 | 31 | 23 | 20 | 41 | 2219 | 15679 |
| 2026 | 05 | 14 | 00 | 1635 | 661 | 2392 | 1944 | 1922 | 2611 | 2330 | 32 | 24 | 32 | 39 | 19 | 24 | 34 | 48 | 2446 | 16193 |
| 2026 | 05 | 13 | 23 | 1637 | 659 | 2059 | 1953 | 2727 | 1992 | 2459 | 25 | 23 | 34 | 34 | 27 | 31 | 37 | 47 | 2435 | 16179 |
| 2026 | 05 | 13 | 22 | 1636 | 659 | 2065 | 1792 | 2314 | 1777 | 3226 | 29 | 26 | 34 | 22 | 26 | 27 | 32 | 58 | 2434 | 16157 |
| 2026 | 05 | 13 | 21 | 1635 | 659 | 1808 | 1457 | 2640 | 2201 | 3060 | 25 | 25 | 40 | 34 | 24 | 25 | 30 | 54 | 2428 | 16145 |
| 2026 | 05 | 13 | 20 | 1635 | 660 | 1663 | 1781 | 1788 | 2736 | 3191 | 28 | 28 | 35 | 28 | 29 | 25 | 34 | 46 | 2424 | 16131 |
| 2026 | 05 | 13 | 19 | 1636 | 660 | 1854 | 1900 | 2500 | 2473 | 2421 | 26 | 21 | 32 | 27 | 38 | 23 | 38 | 47 | 2425 | 16121 |
| 2026 | 05 | 13 | 18 | 1635 | 660 | 2159 | 2189 | 2352 | 2427 | 2026 | 23 | 27 | 27 | 39 | 38 | 23 | 35 | 49 | 2406 | 16115 |