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 | 03 | 14 | 21 | 1497 | 548 | 2274 | 2117 | 2189 | 2536 | 2421 | 31 | 25 | 43 | 33 | 25 | 27 | 29 | 43 | 2250 | 16088 |
| 2025 | 03 | 14 | 20 | 1492 | 548 | 2358 | 1744 | 2449 | 2641 | 2336 | 25 | 27 | 33 | 30 | 30 | 31 | 37 | 49 | 2243 | 16073 |
| 2025 | 03 | 14 | 19 | 1494 | 548 | 2352 | 1844 | 2035 | 2281 | 3007 | 24 | 36 | 29 | 29 | 26 | 30 | 41 | 40 | 2245 | 16061 |
| 2025 | 03 | 14 | 18 | 1492 | 547 | 2067 | 2240 | 2284 | 2381 | 2544 | 27 | 37 | 33 | 30 | 28 | 34 | 32 | 39 | 2238 | 16053 |
| 2025 | 03 | 14 | 17 | 1496 | 547 | 2295 | 1923 | 2001 | 2420 | 2858 | 29 | 36 | 31 | 26 | 33 | 40 | 34 | 37 | 2229 | 16035 |
| 2025 | 03 | 14 | 16 | 1497 | 546 | 1750 | 1934 | 2090 | 2932 | 2780 | 28 | 31 | 29 | 23 | 30 | 39 | 38 | 39 | 2222 | 16008 |
| 2025 | 03 | 14 | 15 | 1494 | 547 | 2398 | 2023 | 2097 | 2157 | 2809 | 31 | 32 | 31 | 24 | 21 | 26 | 38 | 51 | 2219 | 15998 |
| 2025 | 03 | 14 | 14 | 1493 | 547 | 2180 | 1743 | 2634 | 2035 | 2887 | 31 | 33 | 26 | 32 | 28 | 32 | 31 | 45 | 2196 | 15973 |
| 2025 | 03 | 14 | 13 | 1494 | 546 | 1847 | 1792 | 2387 | 2448 | 2988 | 23 | 36 | 35 | 26 | 25 | 34 | 34 | 45 | 2191 | 15951 |
| 2025 | 03 | 14 | 12 | 1491 | 546 | 1525 | 1560 | 2584 | 2088 | 3696 | 31 | 25 | 29 | 29 | 30 | 30 | 34 | 45 | 2185 | 15928 |
| 2025 | 03 | 14 | 11 | 1490 | 545 | 1826 | 2451 | 2051 | 2328 | 2787 | 28 | 40 | 40 | 31 | 21 | 32 | 34 | 42 | 2164 | 15910 |
| 2025 | 03 | 14 | 10 | 1494 | 545 | 2116 | 1805 | 2497 | 2084 | 2927 | 25 | 31 | 32 | 28 | 23 | 42 | 27 | 41 | 2175 | 15892 |
| 2025 | 03 | 14 | 09 | 1495 | 545 | 2106 | 1901 | 2532 | 2411 | 2467 | 29 | 28 | 29 | 34 | 31 | 33 | 26 | 45 | 2160 | 15872 |
| 2025 | 03 | 14 | 08 | 1494 | 546 | 1974 | 2030 | 2171 | 2373 | 2862 | 17 | 28 | 51 | 19 | 33 | 31 | 30 | 52 | 2143 | 15854 |
| 2025 | 03 | 14 | 07 | 1491 | 546 | 1863 | 2070 | 2418 | 2712 | 2342 | 32 | 38 | 35 | 22 | 24 | 30 | 33 | 39 | 2142 | 15837 |
| 2025 | 03 | 14 | 06 | 1492 | 546 | 2092 | 1745 | 2334 | 2412 | 2813 | 23 | 27 | 43 | 33 | 31 | 23 | 29 | 46 | 2130 | 15819 |
| 2025 | 03 | 14 | 05 | 1492 | 545 | 1778 | 2179 | 2160 | 2529 | 2744 | 35 | 23 | 39 | 23 | 28 | 28 | 37 | 34 | 2123 | 15797 |
| 2025 | 03 | 14 | 04 | 1492 | 544 | 2415 | 1933 | 2564 | 2155 | 2304 | 24 | 31 | 46 | 26 | 21 | 34 | 32 | 42 | 2105 | 15768 |
| 2025 | 03 | 14 | 03 | 1492 | 544 | 2368 | 2300 | 2251 | 2477 | 1967 | 24 | 29 | 39 | 21 | 21 | 28 | 35 | 37 | 2112 | 15745 |
| 2025 | 03 | 14 | 02 | 1492 | 545 | 2264 | 1644 | 2466 | 1888 | 3085 | 16 | 28 | 35 | 41 | 21 | 27 | 32 | 47 | 2079 | 15710 |
| 2025 | 03 | 14 | 01 | 1491 | 544 | 2541 | 1898 | 1979 | 2074 | 2818 | 26 | 29 | 32 | 29 | 32 | 28 | 25 | 48 | 2040 | 15634 |
| 2025 | 03 | 14 | 00 | 1491 | 546 | 2563 | 1999 | 2422 | 1975 | 2605 | 31 | 33 | 46 | 31 | 26 | 43 | 23 | 38 | 2244 | 16116 |
| 2025 | 03 | 13 | 23 | 1490 | 546 | 2465 | 2018 | 2135 | 2271 | 2663 | 27 | 27 | 35 | 33 | 36 | 26 | 38 | 50 | 2244 | 16104 |
| 2025 | 03 | 13 | 22 | 1492 | 545 | 2041 | 1947 | 2737 | 2187 | 2627 | 28 | 26 | 44 | 28 | 34 | 25 | 43 | 45 | 2231 | 16080 |
| 2025 | 03 | 13 | 21 | 1493 | 544 | 2203 | 1798 | 2543 | 2070 | 2926 | 31 | 29 | 47 | 28 | 29 | 42 | 36 | 46 | 2207 | 16072 |
| 2025 | 03 | 13 | 20 | 1493 | 546 | 2003 | 2179 | 2065 | 2691 | 2593 | 30 | 23 | 48 | 38 | 28 | 48 | 31 | 43 | 2204 | 16063 |
| 2025 | 03 | 13 | 19 | 1492 | 546 | 2780 | 1816 | 2587 | 2133 | 2203 | 28 | 25 | 30 | 35 | 28 | 39 | 25 | 39 | 2239 | 16045 |
| 2025 | 03 | 13 | 18 | 1491 | 546 | 1827 | 2137 | 2348 | 2117 | 3081 | 23 | 27 | 48 | 25 | 25 | 38 | 32 | 45 | 2227 | 16037 |
| 2025 | 03 | 13 | 17 | 1490 | 546 | 2362 | 2011 | 1665 | 2831 | 2638 | 16 | 47 | 37 | 30 | 19 | 34 | 31 | 52 | 2214 | 16023 |
| 2025 | 03 | 13 | 16 | 1488 | 546 | 2385 | 2036 | 2352 | 2407 | 2317 | 26 | 34 | 38 | 36 | 24 | 31 | 26 | 53 | 2212 | 16011 |
| 2025 | 03 | 13 | 15 | 1491 | 545 | 2187 | 2081 | 2507 | 2585 | 2120 | 29 | 32 | 38 | 31 | 25 | 26 | 33 | 51 | 2204 | 15985 |
| 2025 | 03 | 13 | 14 | 1489 | 544 | 1813 | 1749 | 2089 | 2724 | 3092 | 31 | 28 | 33 | 38 | 20 | 46 | 32 | 46 | 2187 | 15961 |
| 2025 | 03 | 13 | 13 | 1489 | 546 | 1725 | 1973 | 2012 | 2737 | 3008 | 19 | 28 | 33 | 35 | 23 | 37 | 40 | 38 | 2192 | 15935 |
| 2025 | 03 | 13 | 12 | 1488 | 546 | 1753 | 2026 | 2132 | 2281 | 3254 | 21 | 26 | 31 | 46 | 18 | 39 | 34 | 44 | 2184 | 15923 |
| 2025 | 03 | 13 | 11 | 1487 | 546 | 2028 | 1753 | 2773 | 2386 | 2499 | 29 | 34 | 40 | 38 | 23 | 29 | 23 | 43 | 2179 | 15910 |
| 2025 | 03 | 13 | 10 | 1486 | 546 | 2224 | 2128 | 2599 | 2286 | 2198 | 26 | 34 | 33 | 35 | 23 | 25 | 45 | 47 | 2162 | 15897 |
| 2025 | 03 | 13 | 09 | 1485 | 546 | 2206 | 1769 | 2868 | 2376 | 2211 | 26 | 29 | 37 | 33 | 17 | 40 | 33 | 41 | 2167 | 15884 |
| 2025 | 03 | 13 | 08 | 1487 | 545 | 1762 | 2108 | 2699 | 2231 | 2615 | 28 | 28 | 35 | 29 | 23 | 33 | 39 | 49 | 2154 | 15865 |
| 2025 | 03 | 13 | 07 | 1489 | 544 | 1676 | 2461 | 2150 | 2022 | 3094 | 25 | 26 | 30 | 38 | 32 | 39 | 26 | 51 | 2142 | 15845 |
| 2025 | 03 | 13 | 06 | 1487 | 546 | 2011 | 2027 | 2150 | 2356 | 2847 | 20 | 30 | 38 | 36 | 32 | 31 | 32 | 38 | 2145 | 15826 |
| 2025 | 03 | 13 | 05 | 1490 | 546 | 2001 | 2254 | 2278 | 2146 | 2698 | 29 | 31 | 42 | 29 | 24 | 26 | 31 | 42 | 2130 | 15797 |
| 2025 | 03 | 13 | 04 | 1488 | 545 | 2369 | 1497 | 2892 | 2701 | 1913 | 25 | 21 | 39 | 31 | 26 | 35 | 41 | 47 | 2107 | 15777 |
| 2025 | 03 | 13 | 03 | 1483 | 545 | 2141 | 2082 | 2053 | 2262 | 2821 | 15 | 36 | 35 | 24 | 32 | 37 | 35 | 51 | 2097 | 15749 |
| 2025 | 03 | 13 | 02 | 1487 | 544 | 2411 | 1698 | 2390 | 1773 | 3072 | 29 | 22 | 41 | 35 | 21 | 29 | 37 | 42 | 2090 | 15721 |
| 2025 | 03 | 13 | 01 | 1487 | 541 | 2195 | 1864 | 2964 | 1919 | 2376 | 25 | 25 | 38 | 23 | 30 | 44 | 32 | 42 | 2051 | 15656 |
| 2025 | 03 | 13 | 00 | 1493 | 545 | 2007 | 2056 | 2041 | 3023 | 2496 | 22 | 23 | 37 | 26 | 30 | 42 | 46 | 51 | 2244 | 16182 |
| 2025 | 03 | 12 | 23 | 1492 | 546 | 1886 | 2393 | 2299 | 2474 | 2566 | 27 | 30 | 39 | 30 | 24 | 37 | 33 | 46 | 2250 | 16172 |
| 2025 | 03 | 12 | 22 | 1492 | 545 | 2065 | 1897 | 1966 | 2556 | 3122 | 24 | 37 | 41 | 31 | 22 | 27 | 32 | 56 | 2248 | 16161 |