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 | 06 | 30 | 23 | 1523 | 575 | 1822 | 1781 | 2331 | 2647 | 2936 | 27 | 29 | 30 | 34 | 24 | 37 | 40 | 46 | 2310 | 16192 |
| 2025 | 06 | 30 | 22 | 1523 | 572 | 2424 | 1907 | 1848 | 2495 | 2834 | 28 | 30 | 30 | 31 | 22 | 30 | 31 | 42 | 2336 | 16183 |
| 2025 | 06 | 30 | 21 | 1523 | 572 | 2034 | 1926 | 2486 | 2653 | 2402 | 33 | 28 | 39 | 31 | 18 | 35 | 32 | 34 | 2324 | 16170 |
| 2025 | 06 | 30 | 20 | 1524 | 573 | 2278 | 1896 | 2563 | 2840 | 1921 | 27 | 26 | 32 | 38 | 23 | 28 | 29 | 51 | 2310 | 16159 |
| 2025 | 06 | 30 | 19 | 1524 | 573 | 2169 | 1936 | 2528 | 2628 | 2232 | 28 | 30 | 28 | 27 | 23 | 32 | 35 | 43 | 2314 | 16150 |
| 2025 | 06 | 30 | 18 | 1524 | 573 | 1629 | 2075 | 2122 | 2788 | 2876 | 23 | 31 | 37 | 30 | 28 | 36 | 32 | 32 | 2307 | 16143 |
| 2025 | 06 | 30 | 17 | 1524 | 572 | 2278 | 1998 | 2708 | 2201 | 2284 | 23 | 29 | 36 | 22 | 32 | 28 | 43 | 43 | 2295 | 16116 |
| 2025 | 06 | 30 | 16 | 1523 | 571 | 2522 | 1914 | 2676 | 1839 | 2462 | 30 | 32 | 35 | 26 | 34 | 25 | 25 | 38 | 2298 | 16050 |
| 2025 | 06 | 30 | 15 | 1520 | 570 | 2543 | 1991 | 1790 | 1958 | 3122 | 26 | 30 | 39 | 26 | 26 | 29 | 38 | 33 | 2289 | 16030 |
| 2025 | 06 | 30 | 14 | 1518 | 571 | 2054 | 1980 | 1980 | 2803 | 2575 | 25 | 32 | 31 | 37 | 21 | 29 | 27 | 48 | 2283 | 16014 |
| 2025 | 06 | 30 | 13 | 1520 | 570 | 2377 | 2121 | 1884 | 2751 | 2245 | 27 | 33 | 39 | 20 | 21 | 33 | 42 | 39 | 2272 | 15994 |
| 2025 | 06 | 30 | 12 | 1519 | 570 | 2416 | 1849 | 2453 | 2400 | 2247 | 20 | 31 | 33 | 24 | 35 | 21 | 34 | 42 | 2283 | 15977 |
| 2025 | 06 | 30 | 11 | 1518 | 570 | 2914 | 1559 | 2210 | 2247 | 2429 | 40 | 28 | 34 | 22 | 21 | 32 | 36 | 36 | 2265 | 15961 |
| 2025 | 06 | 30 | 10 | 1517 | 570 | 1975 | 1736 | 2136 | 2575 | 2933 | 21 | 33 | 30 | 24 | 21 | 39 | 42 | 33 | 2262 | 15947 |
| 2025 | 06 | 30 | 09 | 1516 | 570 | 2152 | 1473 | 2643 | 2354 | 2725 | 18 | 39 | 27 | 28 | 19 | 31 | 29 | 47 | 2262 | 15933 |
| 2025 | 06 | 30 | 08 | 1517 | 570 | 2235 | 1757 | 2522 | 2261 | 2567 | 20 | 22 | 42 | 27 | 20 | 31 | 42 | 44 | 2238 | 15915 |
| 2025 | 06 | 30 | 07 | 1517 | 568 | 2177 | 2231 | 2214 | 2152 | 2553 | 27 | 25 | 35 | 28 | 24 | 30 | 40 | 41 | 2228 | 15890 |
| 2025 | 06 | 30 | 06 | 1519 | 568 | 2153 | 2032 | 2253 | 2516 | 2365 | 30 | 31 | 31 | 28 | 27 | 33 | 30 | 41 | 2210 | 15867 |
| 2025 | 06 | 30 | 05 | 1516 | 567 | 2012 | 2395 | 2229 | 2195 | 2474 | 34 | 28 | 35 | 26 | 24 | 24 | 41 | 41 | 2197 | 15838 |
| 2025 | 06 | 30 | 04 | 1518 | 568 | 2665 | 1627 | 1927 | 2235 | 2835 | 22 | 27 | 35 | 24 | 27 | 34 | 36 | 40 | 2183 | 15803 |
| 2025 | 06 | 30 | 03 | 1517 | 568 | 2720 | 2061 | 1659 | 2584 | 2255 | 27 | 23 | 34 | 32 | 36 | 22 | 31 | 41 | 2161 | 15771 |
| 2025 | 06 | 30 | 02 | 1515 | 568 | 1821 | 1843 | 2315 | 2911 | 2376 | 20 | 27 | 34 | 29 | 19 | 32 | 35 | 45 | 2147 | 15737 |
| 2025 | 06 | 30 | 01 | 1515 | 567 | 2269 | 1830 | 2338 | 2080 | 2722 | 30 | 40 | 27 | 28 | 25 | 24 | 31 | 39 | 2123 | 15688 |
| 2025 | 06 | 30 | 00 | 1524 | 572 | 1813 | 1863 | 2610 | 2022 | 3124 | 26 | 35 | 29 | 29 | 28 | 29 | 40 | 32 | 2277 | 16053 |
| 2025 | 06 | 29 | 23 | 1526 | 572 | 2173 | 1633 | 1824 | 2343 | 3453 | 30 | 28 | 29 | 29 | 25 | 29 | 40 | 41 | 2272 | 16047 |
| 2025 | 06 | 29 | 22 | 1520 | 572 | 1892 | 1850 | 2502 | 2436 | 2742 | 28 | 35 | 29 | 24 | 23 | 26 | 35 | 42 | 2280 | 16036 |
| 2025 | 06 | 29 | 21 | 1522 | 573 | 1632 | 1859 | 2935 | 2794 | 2196 | 25 | 24 | 38 | 29 | 22 | 24 | 32 | 52 | 2272 | 16029 |
| 2025 | 06 | 29 | 20 | 1521 | 573 | 1923 | 1844 | 2378 | 2356 | 2906 | 26 | 33 | 38 | 26 | 18 | 33 | 30 | 44 | 2270 | 16019 |
| 2025 | 06 | 29 | 19 | 1520 | 573 | 1800 | 1814 | 2301 | 2339 | 3145 | 30 | 39 | 24 | 28 | 15 | 22 | 38 | 47 | 2266 | 16001 |
| 2025 | 06 | 29 | 18 | 1521 | 571 | 2344 | 1882 | 2436 | 2510 | 2215 | 30 | 27 | 39 | 27 | 27 | 23 | 34 | 43 | 2253 | 15982 |
| 2025 | 06 | 29 | 17 | 1516 | 572 | 2232 | 1849 | 2132 | 1873 | 3302 | 31 | 26 | 26 | 33 | 26 | 24 | 36 | 38 | 2256 | 15972 |
| 2025 | 06 | 29 | 16 | 1522 | 573 | 1759 | 1666 | 2478 | 2810 | 2660 | 32 | 31 | 31 | 29 | 14 | 32 | 37 | 43 | 2244 | 15961 |
| 2025 | 06 | 29 | 15 | 1519 | 573 | 1917 | 2064 | 2150 | 2692 | 2548 | 24 | 29 | 25 | 21 | 30 | 25 | 31 | 54 | 2242 | 15944 |
| 2025 | 06 | 29 | 14 | 1517 | 573 | 1880 | 1987 | 3361 | 2035 | 2094 | 28 | 29 | 28 | 34 | 25 | 23 | 32 | 42 | 2241 | 15929 |
| 2025 | 06 | 29 | 13 | 1521 | 573 | 2601 | 1800 | 1968 | 2136 | 2843 | 26 | 30 | 39 | 18 | 21 | 35 | 33 | 35 | 2239 | 15918 |
| 2025 | 06 | 29 | 12 | 1519 | 573 | 2178 | 1903 | 3036 | 1965 | 2252 | 22 | 30 | 31 | 28 | 33 | 42 | 40 | 28 | 2213 | 15893 |
| 2025 | 06 | 29 | 11 | 1519 | 571 | 1876 | 1819 | 2801 | 2649 | 2184 | 30 | 24 | 34 | 35 | 28 | 28 | 29 | 40 | 2212 | 15879 |
| 2025 | 06 | 29 | 10 | 1519 | 572 | 2206 | 2143 | 2294 | 1841 | 2832 | 23 | 23 | 32 | 36 | 23 | 33 | 38 | 34 | 2207 | 15856 |
| 2025 | 06 | 29 | 09 | 1519 | 572 | 1903 | 1914 | 2346 | 2345 | 2800 | 31 | 31 | 24 | 26 | 24 | 29 | 36 | 39 | 2203 | 15842 |
| 2025 | 06 | 29 | 08 | 1518 | 571 | 2652 | 1668 | 2082 | 2568 | 2331 | 26 | 27 | 35 | 27 | 34 | 24 | 41 | 32 | 2187 | 15823 |
| 2025 | 06 | 29 | 07 | 1519 | 571 | 1875 | 2058 | 2663 | 1907 | 2784 | 24 | 27 | 34 | 23 | 25 | 28 | 46 | 32 | 2186 | 15802 |
| 2025 | 06 | 29 | 06 | 1520 | 571 | 2743 | 1735 | 1558 | 2620 | 2618 | 39 | 31 | 32 | 15 | 25 | 34 | 35 | 34 | 2167 | 15777 |
| 2025 | 06 | 29 | 05 | 1520 | 571 | 2399 | 1826 | 1614 | 2949 | 2472 | 28 | 37 | 26 | 35 | 31 | 34 | 25 | 39 | 2146 | 15752 |
| 2025 | 06 | 29 | 04 | 1519 | 571 | 1956 | 2006 | 2127 | 3005 | 2158 | 30 | 29 | 42 | 32 | 21 | 26 | 37 | 34 | 2140 | 15733 |
| 2025 | 06 | 29 | 03 | 1517 | 569 | 1985 | 1896 | 2217 | 2401 | 2747 | 26 | 27 | 28 | 34 | 27 | 26 | 31 | 46 | 2131 | 15708 |
| 2025 | 06 | 29 | 02 | 1518 | 569 | 1997 | 1892 | 2671 | 2372 | 2294 | 37 | 30 | 24 | 24 | 24 | 33 | 32 | 42 | 2118 | 15677 |
| 2025 | 06 | 29 | 01 | 1516 | 569 | 2181 | 1682 | 2589 | 1884 | 2859 | 29 | 38 | 27 | 29 | 27 | 23 | 33 | 42 | 2092 | 15620 |
| 2025 | 06 | 29 | 00 | 1524 | 576 | 2783 | 1651 | 2012 | 2548 | 2499 | 28 | 27 | 28 | 29 | 24 | 34 | 36 | 50 | 2292 | 16141 |