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 | 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 |
| 2025 | 03 | 12 | 21 | 1490 | 545 | 2803 | 2223 | 2148 | 2034 | 2393 | 25 | 26 | 45 | 32 | 21 | 25 | 43 | 50 | 2247 | 16150 |
| 2025 | 03 | 12 | 20 | 1488 | 545 | 1986 | 1932 | 2762 | 2353 | 2564 | 15 | 28 | 47 | 38 | 26 | 29 | 42 | 45 | 2239 | 16139 |
| 2025 | 03 | 12 | 19 | 1487 | 545 | 2102 | 1932 | 2528 | 2402 | 2622 | 31 | 23 | 42 | 25 | 23 | 39 | 33 | 55 | 2237 | 16126 |
| 2025 | 03 | 12 | 18 | 1491 | 544 | 2178 | 2209 | 2346 | 2434 | 2407 | 23 | 29 | 42 | 29 | 28 | 38 | 35 | 40 | 2242 | 16115 |
| 2025 | 03 | 12 | 17 | 1490 | 544 | 1902 | 1854 | 2292 | 1972 | 3547 | 21 | 29 | 45 | 33 | 28 | 35 | 34 | 50 | 2226 | 16102 |
| 2025 | 03 | 12 | 16 | 1491 | 545 | 2299 | 1710 | 2277 | 2398 | 2870 | 28 | 22 | 44 | 41 | 21 | 32 | 35 | 47 | 2229 | 16089 |
| 2025 | 03 | 12 | 15 | 1490 | 545 | 1871 | 2006 | 2594 | 2137 | 2940 | 24 | 27 | 38 | 35 | 23 | 33 | 48 | 47 | 2212 | 16070 |
| 2025 | 03 | 12 | 14 | 1489 | 545 | 1735 | 1745 | 2779 | 2294 | 2990 | 28 | 28 | 34 | 36 | 20 | 26 | 33 | 49 | 2231 | 16062 |
| 2025 | 03 | 12 | 13 | 1488 | 545 | 2510 | 1854 | 2426 | 2057 | 2691 | 32 | 31 | 32 | 31 | 20 | 38 | 35 | 51 | 2213 | 16054 |
| 2025 | 03 | 12 | 12 | 1488 | 545 | 2736 | 1904 | 1579 | 2942 | 2364 | 26 | 31 | 32 | 38 | 29 | 32 | 36 | 40 | 2212 | 16034 |
| 2025 | 03 | 12 | 11 | 1489 | 544 | 2578 | 1715 | 2169 | 2440 | 2607 | 27 | 27 | 42 | 38 | 18 | 32 | 33 | 44 | 2207 | 16010 |
| 2025 | 03 | 12 | 10 | 1488 | 545 | 2086 | 1763 | 2104 | 2452 | 3095 | 28 | 28 | 38 | 26 | 26 | 30 | 39 | 41 | 2202 | 15991 |
| 2025 | 03 | 12 | 09 | 1489 | 545 | 2696 | 2107 | 1701 | 2173 | 2816 | 22 | 17 | 37 | 33 | 31 | 39 | 40 | 49 | 2183 | 15978 |
| 2025 | 03 | 12 | 08 | 1488 | 545 | 1903 | 1814 | 2301 | 2732 | 2729 | 25 | 30 | 32 | 32 | 29 | 31 | 38 | 52 | 2176 | 15957 |
| 2025 | 03 | 12 | 07 | 1487 | 545 | 2381 | 2002 | 1706 | 2666 | 2715 | 23 | 28 | 35 | 38 | 31 | 28 | 28 | 46 | 2178 | 15937 |
| 2025 | 03 | 12 | 06 | 1487 | 545 | 1883 | 1957 | 2642 | 2559 | 2409 | 27 | 21 | 43 | 45 | 22 | 30 | 31 | 44 | 2161 | 15906 |
| 2025 | 03 | 12 | 05 | 1487 | 545 | 2266 | 2217 | 2093 | 2499 | 2361 | 33 | 23 | 38 | 38 | 18 | 34 | 35 | 52 | 2144 | 15883 |
| 2025 | 03 | 12 | 04 | 1490 | 544 | 1826 | 1866 | 2083 | 2992 | 2656 | 22 | 23 | 36 | 31 | 21 | 26 | 44 | 65 | 2132 | 15857 |
| 2025 | 03 | 12 | 03 | 1490 | 545 | 2140 | 2019 | 2016 | 2517 | 2718 | 27 | 22 | 37 | 32 | 20 | 43 | 29 | 50 | 2127 | 15832 |
| 2025 | 03 | 12 | 02 | 1490 | 544 | 1942 | 1724 | 2554 | 1919 | 3249 | 28 | 30 | 36 | 32 | 21 | 31 | 36 | 49 | 2101 | 15786 |
| 2025 | 03 | 12 | 01 | 1487 | 544 | 1925 | 1758 | 2456 | 2480 | 2729 | 20 | 28 | 36 | 39 | 20 | 38 | 33 | 47 | 2069 | 15709 |
| 2025 | 03 | 12 | 00 | 1493 | 546 | 1763 | 2161 | 2674 | 2685 | 2341 | 21 | 28 | 38 | 32 | 24 | 42 | 35 | 50 | 2243 | 16176 |
| 2025 | 03 | 11 | 23 | 1492 | 545 | 2546 | 1888 | 2454 | 2488 | 2247 | 23 | 39 | 36 | 28 | 40 | 30 | 38 | 37 | 2238 | 16169 |
| 2025 | 03 | 11 | 22 | 1492 | 544 | 2070 | 1782 | 2278 | 2844 | 2642 | 16 | 25 | 47 | 33 | 27 | 37 | 35 | 50 | 2239 | 16161 |
| 2025 | 03 | 11 | 21 | 1493 | 544 | 2812 | 1898 | 2568 | 2522 | 1812 | 27 | 21 | 31 | 36 | 18 | 32 | 44 | 47 | 2253 | 16158 |
| 2025 | 03 | 11 | 20 | 1494 | 543 | 1940 | 1915 | 3053 | 2367 | 2329 | 23 | 28 | 41 | 31 | 27 | 28 | 40 | 48 | 2241 | 16148 |
| 2025 | 03 | 11 | 19 | 1493 | 544 | 2265 | 1994 | 2511 | 2292 | 2537 | 20 | 30 | 29 | 41 | 30 | 36 | 30 | 47 | 2243 | 16142 |
| 2025 | 03 | 11 | 18 | 1490 | 544 | 2127 | 1806 | 2100 | 2542 | 3017 | 15 | 33 | 33 | 28 | 28 | 31 | 41 | 47 | 2246 | 16128 |
| 2025 | 03 | 11 | 17 | 1490 | 544 | 2048 | 1572 | 2687 | 2017 | 3262 | 21 | 29 | 35 | 37 | 24 | 35 | 34 | 58 | 2226 | 16119 |
| 2025 | 03 | 11 | 16 | 1489 | 544 | 2828 | 2113 | 1716 | 2516 | 2410 | 27 | 24 | 29 | 37 | 30 | 45 | 29 | 52 | 2220 | 16109 |
| 2025 | 03 | 11 | 15 | 1490 | 544 | 2135 | 2127 | 2488 | 2016 | 2810 | 16 | 31 | 36 | 28 | 22 | 33 | 37 | 55 | 2230 | 16098 |
| 2025 | 03 | 11 | 14 | 1489 | 543 | 2053 | 2219 | 1960 | 1812 | 3526 | 18 | 30 | 37 | 27 | 32 | 34 | 34 | 48 | 2219 | 16081 |
| 2025 | 03 | 11 | 13 | 1488 | 542 | 3029 | 1727 | 2044 | 2500 | 2265 | 20 | 40 | 40 | 38 | 18 | 29 | 32 | 45 | 2213 | 16070 |
| 2025 | 03 | 11 | 12 | 1490 | 542 | 2024 | 1925 | 2042 | 2789 | 2775 | 28 | 24 | 44 | 44 | 20 | 27 | 37 | 46 | 2191 | 16048 |
| 2025 | 03 | 11 | 11 | 1488 | 542 | 1991 | 1818 | 2976 | 2013 | 2749 | 23 | 35 | 45 | 27 | 24 | 27 | 38 | 47 | 2191 | 16034 |
| 2025 | 03 | 11 | 10 | 1487 | 542 | 1951 | 2214 | 2394 | 2117 | 2871 | 18 | 28 | 36 | 31 | 28 | 29 | 34 | 54 | 2192 | 16026 |
| 2025 | 03 | 11 | 09 | 1487 | 542 | 2043 | 1817 | 2670 | 2276 | 2732 | 15 | 27 | 38 | 34 | 24 | 32 | 34 | 53 | 2189 | 16013 |
| 2025 | 03 | 11 | 08 | 1489 | 542 | 2439 | 2077 | 2318 | 1773 | 2921 | 27 | 28 | 31 | 35 | 19 | 28 | 35 | 57 | 2173 | 15992 |
| 2025 | 03 | 11 | 07 | 1488 | 541 | 2130 | 1860 | 2381 | 2229 | 2919 | 15 | 30 | 37 | 38 | 30 | 34 | 32 | 41 | 2171 | 15976 |
| 2025 | 03 | 11 | 06 | 1488 | 542 | 2602 | 2192 | 1897 | 2644 | 2171 | 21 | 25 | 30 | 33 | 29 | 32 | 34 | 58 | 2155 | 15953 |
| 2025 | 03 | 11 | 05 | 1486 | 541 | 2219 | 1985 | 2530 | 2176 | 2584 | 26 | 15 | 27 | 44 | 26 | 31 | 37 | 43 | 2151 | 15921 |
| 2025 | 03 | 11 | 04 | 1488 | 541 | 2002 | 2027 | 2068 | 2893 | 2496 | 27 | 14 | 38 | 33 | 28 | 37 | 40 | 44 | 2127 | 15903 |