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 | 07 | 26 | 22 | 1549 | 586 | 2169 | 1824 | 2481 | 2247 | 2720 | 27 | 27 | 34 | 28 | 24 | 26 | 41 | 36 | 2318 | 16137 |
| 2025 | 07 | 26 | 21 | 1551 | 586 | 1975 | 2264 | 2000 | 2153 | 3046 | 22 | 33 | 36 | 23 | 13 | 31 | 30 | 53 | 2316 | 16132 |
| 2025 | 07 | 26 | 20 | 1548 | 586 | 2160 | 2099 | 2204 | 2452 | 2518 | 18 | 20 | 33 | 30 | 26 | 39 | 33 | 40 | 2313 | 16119 |
| 2025 | 07 | 26 | 19 | 1548 | 586 | 1743 | 1695 | 2457 | 2882 | 2648 | 39 | 24 | 39 | 19 | 29 | 23 | 33 | 35 | 2310 | 16110 |
| 2025 | 07 | 26 | 18 | 1549 | 586 | 2032 | 2169 | 1373 | 3224 | 2621 | 20 | 33 | 31 | 29 | 34 | 25 | 28 | 38 | 2309 | 16101 |
| 2025 | 07 | 26 | 17 | 1550 | 585 | 1815 | 1685 | 2731 | 2926 | 2253 | 19 | 25 | 33 | 31 | 25 | 34 | 28 | 49 | 2298 | 16087 |
| 2025 | 07 | 26 | 16 | 1550 | 586 | 1845 | 1848 | 2867 | 2269 | 2574 | 30 | 29 | 37 | 27 | 14 | 31 | 34 | 39 | 2299 | 16079 |
| 2025 | 07 | 26 | 15 | 1549 | 585 | 1704 | 1588 | 2416 | 2337 | 3356 | 25 | 24 | 29 | 24 | 25 | 29 | 32 | 50 | 2291 | 16064 |
| 2025 | 07 | 26 | 14 | 1549 | 585 | 2363 | 2225 | 2370 | 1904 | 2530 | 26 | 22 | 31 | 34 | 33 | 23 | 32 | 49 | 2278 | 16054 |
| 2025 | 07 | 26 | 13 | 1547 | 585 | 2259 | 2001 | 2035 | 2341 | 2754 | 23 | 21 | 38 | 23 | 24 | 32 | 34 | 45 | 2278 | 16040 |
| 2025 | 07 | 26 | 12 | 1546 | 586 | 2169 | 1832 | 2371 | 2023 | 2984 | 28 | 25 | 38 | 22 | 25 | 25 | 33 | 50 | 2267 | 16024 |
| 2025 | 07 | 26 | 11 | 1547 | 586 | 2105 | 1859 | 2509 | 2324 | 2580 | 17 | 31 | 46 | 28 | 19 | 29 | 33 | 39 | 2260 | 16012 |
| 2025 | 07 | 26 | 10 | 1546 | 586 | 3281 | 1729 | 1962 | 1472 | 2921 | 20 | 28 | 33 | 21 | 28 | 25 | 39 | 49 | 2246 | 15986 |
| 2025 | 07 | 26 | 09 | 1546 | 584 | 3221 | 2028 | 2238 | 1834 | 2035 | 33 | 21 | 25 | 32 | 18 | 30 | 36 | 46 | 2237 | 15964 |
| 2025 | 07 | 26 | 08 | 1546 | 584 | 2687 | 1834 | 2056 | 1780 | 2994 | 22 | 24 | 35 | 19 | 21 | 38 | 29 | 39 | 2236 | 15944 |
| 2025 | 07 | 26 | 07 | 1546 | 584 | 2159 | 1913 | 2414 | 2136 | 2720 | 26 | 29 | 28 | 24 | 25 | 29 | 28 | 49 | 2216 | 15926 |
| 2025 | 07 | 26 | 06 | 1544 | 583 | 2271 | 2147 | 2158 | 2878 | 1870 | 32 | 25 | 29 | 24 | 33 | 19 | 39 | 40 | 2198 | 15890 |
| 2025 | 07 | 26 | 05 | 1544 | 583 | 2472 | 1940 | 1817 | 2502 | 2578 | 29 | 29 | 41 | 28 | 24 | 36 | 26 | 36 | 2169 | 15854 |
| 2025 | 07 | 26 | 04 | 1544 | 584 | 2521 | 1517 | 2312 | 2475 | 2477 | 26 | 26 | 27 | 31 | 23 | 27 | 30 | 48 | 2162 | 15830 |
| 2025 | 07 | 26 | 03 | 1544 | 583 | 2394 | 1916 | 2297 | 2209 | 2469 | 19 | 33 | 29 | 32 | 26 | 35 | 23 | 30 | 2167 | 15806 |
| 2025 | 07 | 26 | 02 | 1541 | 584 | 2409 | 1625 | 2527 | 2151 | 2552 | 21 | 28 | 26 | 29 | 35 | 22 | 29 | 52 | 2128 | 15759 |
| 2025 | 07 | 26 | 01 | 1541 | 583 | 2010 | 1361 | 3111 | 2563 | 2187 | 15 | 31 | 28 | 33 | 24 | 39 | 32 | 38 | 2092 | 15688 |
| 2025 | 07 | 26 | 00 | 1546 | 585 | 2509 | 1985 | 2379 | 2089 | 2494 | 28 | 31 | 26 | 23 | 26 | 36 | 43 | 45 | 2299 | 16144 |
| 2025 | 07 | 25 | 23 | 1545 | 585 | 1944 | 1708 | 2908 | 2067 | 2823 | 17 | 25 | 35 | 32 | 28 | 46 | 32 | 41 | 2301 | 16137 |
| 2025 | 07 | 25 | 22 | 1545 | 585 | 2264 | 2148 | 2048 | 2361 | 2622 | 25 | 40 | 38 | 25 | 27 | 37 | 30 | 43 | 2287 | 16125 |
| 2025 | 07 | 25 | 21 | 1546 | 586 | 2126 | 2023 | 2561 | 2367 | 2363 | 18 | 35 | 34 | 27 | 27 | 42 | 29 | 33 | 2303 | 16120 |
| 2025 | 07 | 25 | 20 | 1544 | 585 | 2127 | 2230 | 2087 | 1701 | 3287 | 27 | 43 | 25 | 25 | 24 | 27 | 38 | 44 | 2295 | 16109 |
| 2025 | 07 | 25 | 19 | 1544 | 585 | 1852 | 2162 | 2566 | 2007 | 2841 | 21 | 33 | 30 | 31 | 35 | 32 | 33 | 44 | 2284 | 16100 |
| 2025 | 07 | 25 | 18 | 1545 | 584 | 2215 | 2276 | 2404 | 2377 | 2148 | 24 | 30 | 26 | 26 | 24 | 33 | 29 | 41 | 2308 | 16090 |
| 2025 | 07 | 25 | 17 | 1547 | 584 | 2470 | 2052 | 2263 | 2262 | 2360 | 23 | 30 | 38 | 31 | 29 | 23 | 32 | 44 | 2290 | 16078 |
| 2025 | 07 | 25 | 16 | 1544 | 585 | 2247 | 1944 | 2291 | 2064 | 2858 | 21 | 30 | 35 | 34 | 26 | 30 | 30 | 46 | 2283 | 16068 |
| 2025 | 07 | 25 | 15 | 1541 | 584 | 1549 | 2207 | 2516 | 2159 | 2966 | 31 | 30 | 34 | 38 | 29 | 33 | 22 | 43 | 2273 | 16055 |
| 2025 | 07 | 25 | 14 | 1545 | 584 | 1922 | 1979 | 2449 | 2119 | 2911 | 25 | 30 | 36 | 35 | 24 | 24 | 30 | 44 | 2283 | 16040 |
| 2025 | 07 | 25 | 13 | 1543 | 584 | 1981 | 1936 | 2467 | 3033 | 1956 | 24 | 31 | 33 | 29 | 17 | 31 | 41 | 47 | 2274 | 16027 |
| 2025 | 07 | 25 | 12 | 1542 | 585 | 2011 | 2077 | 2382 | 2186 | 2706 | 19 | 27 | 36 | 32 | 19 | 39 | 29 | 41 | 2277 | 16008 |
| 2025 | 07 | 25 | 11 | 1540 | 585 | 2434 | 2223 | 2116 | 2445 | 2139 | 20 | 26 | 31 | 26 | 30 | 38 | 28 | 41 | 2268 | 15990 |
| 2025 | 07 | 25 | 10 | 1545 | 584 | 2052 | 2038 | 2145 | 2606 | 2499 | 32 | 27 | 31 | 25 | 18 | 35 | 28 | 49 | 2261 | 15975 |
| 2025 | 07 | 25 | 09 | 1544 | 584 | 1881 | 1814 | 2619 | 2126 | 2894 | 18 | 24 | 37 | 44 | 17 | 31 | 26 | 44 | 2253 | 15956 |
| 2025 | 07 | 25 | 08 | 1541 | 585 | 2810 | 1946 | 2484 | 1737 | 2354 | 28 | 17 | 18 | 28 | 24 | 37 | 38 | 48 | 2238 | 15933 |
| 2025 | 07 | 25 | 07 | 1542 | 584 | 2143 | 1684 | 2200 | 2382 | 2914 | 21 | 23 | 27 | 35 | 27 | 22 | 35 | 46 | 2223 | 15908 |
| 2025 | 07 | 25 | 06 | 1542 | 584 | 2432 | 1724 | 2159 | 2488 | 2500 | 18 | 21 | 25 | 31 | 31 | 31 | 41 | 43 | 2209 | 15879 |
| 2025 | 07 | 25 | 05 | 1542 | 584 | 2069 | 1936 | 2353 | 2467 | 2470 | 23 | 25 | 26 | 29 | 30 | 26 | 36 | 41 | 2193 | 15850 |
| 2025 | 07 | 25 | 04 | 1542 | 584 | 1580 | 1918 | 2416 | 2017 | 3338 | 16 | 30 | 39 | 32 | 17 | 41 | 36 | 37 | 2174 | 15817 |
| 2025 | 07 | 25 | 03 | 1543 | 583 | 2357 | 1787 | 2717 | 1990 | 2405 | 26 | 20 | 32 | 28 | 36 | 36 | 26 | 37 | 2162 | 15785 |
| 2025 | 07 | 25 | 02 | 1540 | 583 | 2028 | 2128 | 2424 | 1957 | 2696 | 29 | 18 | 27 | 29 | 20 | 23 | 50 | 47 | 2141 | 15740 |
| 2025 | 07 | 25 | 01 | 1535 | 584 | 2135 | 1646 | 2413 | 2941 | 2056 | 23 | 28 | 32 | 24 | 29 | 40 | 24 | 42 | 2101 | 15653 |
| 2025 | 07 | 25 | 00 | 1550 | 584 | 1902 | 1712 | 2839 | 2382 | 2612 | 23 | 33 | 33 | 32 | 26 | 25 | 23 | 52 | 2343 | 16171 |
| 2025 | 07 | 24 | 23 | 1551 | 583 | 1919 | 1999 | 2479 | 2605 | 2443 | 28 | 23 | 25 | 31 | 25 | 43 | 27 | 49 | 2336 | 16166 |