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 | 08 | 06 | 08 | 1557 | 584 | 2153 | 1415 | 2419 | 2667 | 2716 | 26 | 30 | 26 | 28 | 24 | 29 | 37 | 43 | 2227 | 15981 |
| 2025 | 08 | 06 | 07 | 1557 | 583 | 2033 | 1564 | 2519 | 2423 | 2815 | 30 | 22 | 24 | 34 | 22 | 28 | 29 | 49 | 2219 | 15951 |
| 2025 | 08 | 06 | 06 | 1556 | 581 | 2233 | 1981 | 2012 | 2429 | 2699 | 19 | 30 | 30 | 25 | 31 | 26 | 37 | 42 | 2201 | 15932 |
| 2025 | 08 | 06 | 05 | 1558 | 582 | 2116 | 1678 | 2834 | 2416 | 2300 | 24 | 26 | 34 | 34 | 16 | 30 | 38 | 39 | 2182 | 15907 |
| 2025 | 08 | 06 | 04 | 1556 | 582 | 2567 | 1669 | 1857 | 2304 | 2932 | 30 | 32 | 28 | 25 | 26 | 31 | 33 | 32 | 2179 | 15883 |
| 2025 | 08 | 06 | 03 | 1554 | 583 | 2540 | 1837 | 2218 | 1932 | 2793 | 24 | 20 | 31 | 35 | 24 | 37 | 35 | 30 | 2158 | 15851 |
| 2025 | 08 | 06 | 02 | 1555 | 583 | 2521 | 1373 | 2229 | 2217 | 2955 | 24 | 25 | 30 | 37 | 21 | 39 | 32 | 35 | 2134 | 15810 |
| 2025 | 08 | 06 | 01 | 1554 | 583 | 2245 | 1871 | 2592 | 2245 | 2314 | 19 | 24 | 26 | 37 | 19 | 32 | 38 | 45 | 2098 | 15742 |
| 2025 | 08 | 06 | 00 | 1563 | 588 | 2691 | 1871 | 2070 | 2586 | 2253 | 21 | 24 | 28 | 37 | 37 | 33 | 27 | 40 | 2304 | 16173 |
| 2025 | 08 | 05 | 23 | 1561 | 588 | 2498 | 2012 | 1636 | 2774 | 2547 | 20 | 35 | 20 | 27 | 35 | 30 | 38 | 41 | 2302 | 16164 |
| 2025 | 08 | 05 | 22 | 1561 | 587 | 1961 | 2077 | 2459 | 2779 | 2186 | 18 | 25 | 34 | 35 | 22 | 25 | 42 | 44 | 2300 | 16155 |
| 2025 | 08 | 05 | 21 | 1562 | 586 | 1715 | 1708 | 3157 | 1946 | 2932 | 27 | 22 | 36 | 30 | 26 | 24 | 25 | 44 | 2310 | 16150 |
| 2025 | 08 | 05 | 20 | 1562 | 586 | 2322 | 1732 | 2679 | 2098 | 2621 | 30 | 29 | 30 | 27 | 33 | 29 | 28 | 37 | 2296 | 16139 |
| 2025 | 08 | 05 | 19 | 1559 | 587 | 1638 | 1854 | 2669 | 2740 | 2546 | 30 | 38 | 25 | 32 | 22 | 22 | 32 | 41 | 2288 | 16123 |
| 2025 | 08 | 05 | 18 | 1558 | 587 | 2413 | 1647 | 1773 | 2515 | 3094 | 22 | 28 | 26 | 18 | 41 | 26 | 34 | 41 | 2287 | 16110 |
| 2025 | 08 | 05 | 17 | 1558 | 587 | 2011 | 1894 | 2295 | 1814 | 3419 | 23 | 29 | 26 | 24 | 29 | 25 | 41 | 42 | 2265 | 16082 |
| 2025 | 08 | 05 | 16 | 1562 | 587 | 2186 | 1651 | 1921 | 2162 | 3512 | 30 | 25 | 28 | 32 | 29 | 29 | 34 | 39 | 2250 | 16077 |
| 2025 | 08 | 05 | 15 | 1562 | 587 | 1911 | 1723 | 1876 | 2754 | 3152 | 28 | 20 | 31 | 32 | 39 | 24 | 39 | 28 | 2259 | 16065 |
| 2025 | 08 | 05 | 14 | 1556 | 585 | 3026 | 2030 | 2103 | 2140 | 2101 | 17 | 33 | 30 | 23 | 37 | 36 | 29 | 35 | 2243 | 16024 |
| 2025 | 08 | 05 | 13 | 1556 | 585 | 3026 | 2030 | 2103 | 2140 | 2101 | 17 | 33 | 30 | 23 | 37 | 36 | 29 | 35 | 2243 | 16024 |
| 2025 | 08 | 05 | 12 | 1560 | 586 | 2570 | 1773 | 2023 | 2924 | 2104 | 27 | 31 | 39 | 24 | 29 | 24 | 30 | 37 | 2237 | 16018 |
| 2025 | 08 | 05 | 11 | 1559 | 586 | 1987 | 2486 | 2172 | 2137 | 2603 | 18 | 25 | 39 | 22 | 28 | 31 | 26 | 42 | 2244 | 16005 |
| 2025 | 08 | 05 | 10 | 1558 | 586 | 2133 | 2167 | 1595 | 2572 | 2916 | 31 | 27 | 25 | 30 | 24 | 32 | 34 | 38 | 2219 | 15987 |
| 2025 | 08 | 05 | 09 | 1558 | 586 | 2150 | 1787 | 2305 | 1966 | 3166 | 16 | 35 | 25 | 29 | 28 | 35 | 31 | 47 | 2197 | 15961 |
| 2025 | 08 | 05 | 08 | 1558 | 585 | 2147 | 1796 | 2040 | 2711 | 2672 | 24 | 21 | 27 | 31 | 27 | 26 | 33 | 44 | 2202 | 15944 |
| 2025 | 08 | 05 | 07 | 1561 | 585 | 1743 | 1713 | 1893 | 2656 | 3347 | 23 | 23 | 32 | 40 | 21 | 33 | 28 | 43 | 2186 | 15927 |
| 2025 | 08 | 05 | 06 | 1562 | 585 | 2407 | 1765 | 2898 | 2043 | 2229 | 21 | 23 | 30 | 41 | 28 | 26 | 28 | 43 | 2178 | 15907 |
| 2025 | 08 | 05 | 05 | 1561 | 585 | 2161 | 1766 | 1770 | 2532 | 3108 | 21 | 31 | 27 | 36 | 30 | 23 | 33 | 37 | 2164 | 15885 |
| 2025 | 08 | 05 | 04 | 1561 | 585 | 2107 | 1904 | 2364 | 2118 | 2833 | 18 | 32 | 30 | 34 | 21 | 39 | 26 | 51 | 2140 | 15863 |
| 2025 | 08 | 05 | 03 | 1558 | 584 | 1973 | 1996 | 2928 | 2118 | 2293 | 26 | 23 | 28 | 31 | 30 | 26 | 23 | 53 | 2142 | 15832 |
| 2025 | 08 | 05 | 02 | 1557 | 585 | 1645 | 1960 | 2550 | 2615 | 2520 | 20 | 20 | 28 | 31 | 32 | 34 | 37 | 39 | 2130 | 15803 |
| 2025 | 08 | 05 | 01 | 1559 | 582 | 1733 | 1676 | 2262 | 2772 | 2811 | 30 | 24 | 27 | 35 | 24 | 33 | 29 | 46 | 2094 | 15737 |
| 2025 | 08 | 05 | 00 | 1565 | 586 | 1908 | 1762 | 1934 | 2731 | 3123 | 24 | 25 | 37 | 29 | 29 | 23 | 45 | 34 | 2322 | 16177 |
| 2025 | 08 | 04 | 23 | 1565 | 586 | 1804 | 2070 | 2181 | 2541 | 2861 | 21 | 23 | 33 | 36 | 36 | 20 | 27 | 46 | 2323 | 16173 |
| 2025 | 08 | 04 | 22 | 1566 | 585 | 2069 | 2218 | 2471 | 2046 | 2647 | 29 | 34 | 36 | 35 | 16 | 23 | 34 | 36 | 2321 | 16166 |
| 2025 | 08 | 04 | 21 | 1565 | 585 | 2315 | 1830 | 1975 | 2481 | 2844 | 31 | 34 | 32 | 36 | 27 | 24 | 29 | 38 | 2309 | 16155 |
| 2025 | 08 | 04 | 20 | 1560 | 586 | 2408 | 2019 | 2044 | 2575 | 2397 | 36 | 23 | 39 | 31 | 25 | 29 | 30 | 46 | 2300 | 16148 |
| 2025 | 08 | 04 | 19 | 1564 | 586 | 2868 | 1820 | 2098 | 2420 | 2237 | 24 | 30 | 29 | 30 | 28 | 27 | 31 | 37 | 2309 | 16138 |
| 2025 | 08 | 04 | 18 | 1563 | 584 | 2837 | 1643 | 2001 | 2564 | 2399 | 22 | 21 | 35 | 28 | 31 | 19 | 38 | 43 | 2294 | 16122 |
| 2025 | 08 | 04 | 17 | 1562 | 584 | 2573 | 2215 | 2149 | 2224 | 2272 | 20 | 33 | 39 | 32 | 30 | 26 | 34 | 37 | 2280 | 16110 |
| 2025 | 08 | 04 | 16 | 1561 | 586 | 2282 | 2049 | 2929 | 2205 | 1961 | 24 | 22 | 35 | 34 | 33 | 33 | 34 | 43 | 2265 | 16096 |
| 2025 | 08 | 04 | 15 | 1561 | 585 | 2057 | 1703 | 2326 | 2183 | 3148 | 31 | 30 | 27 | 27 | 18 | 36 | 28 | 52 | 2272 | 16084 |
| 2025 | 08 | 04 | 14 | 1563 | 585 | 2581 | 1935 | 1981 | 2767 | 2150 | 23 | 26 | 33 | 24 | 21 | 32 | 25 | 55 | 2277 | 16078 |
| 2025 | 08 | 04 | 13 | 1557 | 586 | 1481 | 1748 | 2758 | 2685 | 2735 | 28 | 33 | 31 | 25 | 21 | 28 | 32 | 44 | 2269 | 16061 |
| 2025 | 08 | 04 | 12 | 1559 | 586 | 2364 | 1842 | 2381 | 2103 | 2709 | 19 | 33 | 23 | 29 | 17 | 41 | 26 | 50 | 2265 | 16047 |
| 2025 | 08 | 04 | 11 | 1558 | 586 | 2381 | 1939 | 2026 | 2372 | 2673 | 23 | 32 | 30 | 34 | 23 | 35 | 38 | 33 | 2251 | 16034 |
| 2025 | 08 | 04 | 10 | 1560 | 586 | 1859 | 2079 | 1907 | 2763 | 2778 | 25 | 32 | 20 | 32 | 25 | 25 | 33 | 44 | 2253 | 16021 |
| 2025 | 08 | 04 | 09 | 1560 | 586 | 2249 | 1969 | 2673 | 2099 | 2385 | 22 | 30 | 37 | 26 | 20 | 38 | 29 | 42 | 2242 | 16007 |