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 | 21 | 04 | 1524 | 565 | 1868 | 2036 | 2110 | 2500 | 2794 | 23 | 23 | 29 | 38 | 28 | 28 | 32 | 45 | 2196 | 15839 |
| 2025 | 06 | 21 | 03 | 1525 | 564 | 2015 | 1730 | 1869 | 2949 | 2739 | 24 | 27 | 38 | 32 | 32 | 33 | 22 | 44 | 2173 | 15816 |
| 2025 | 06 | 21 | 02 | 1522 | 565 | 2277 | 1930 | 1902 | 2565 | 2615 | 27 | 27 | 32 | 26 | 39 | 37 | 29 | 36 | 2159 | 15788 |
| 2025 | 06 | 21 | 01 | 1521 | 565 | 2651 | 1871 | 2116 | 2374 | 2242 | 27 | 22 | 17 | 35 | 24 | 29 | 45 | 45 | 2134 | 15718 |
| 2025 | 06 | 21 | 00 | 1531 | 571 | 2022 | 2109 | 2347 | 2471 | 2505 | 33 | 26 | 36 | 35 | 28 | 36 | 35 | 40 | 2297 | 16122 |
| 2025 | 06 | 20 | 23 | 1532 | 572 | 2705 | 1916 | 2227 | 2544 | 2058 | 25 | 21 | 44 | 29 | 23 | 26 | 36 | 48 | 2309 | 16115 |
| 2025 | 06 | 20 | 22 | 1532 | 572 | 1724 | 1927 | 2565 | 2554 | 2672 | 19 | 30 | 44 | 23 | 35 | 28 | 39 | 37 | 2306 | 16107 |
| 2025 | 06 | 20 | 21 | 1533 | 571 | 1965 | 1792 | 2559 | 2544 | 2579 | 29 | 26 | 31 | 30 | 21 | 30 | 39 | 44 | 2305 | 16098 |
| 2025 | 06 | 20 | 20 | 1530 | 571 | 2451 | 1929 | 1827 | 2615 | 2614 | 38 | 27 | 23 | 25 | 29 | 26 | 43 | 38 | 2302 | 16088 |
| 2025 | 06 | 20 | 19 | 1530 | 572 | 1916 | 1949 | 2611 | 2191 | 2764 | 35 | 24 | 37 | 34 | 27 | 30 | 34 | 30 | 2288 | 16072 |
| 2025 | 06 | 20 | 18 | 1527 | 572 | 1740 | 1894 | 2515 | 2884 | 2387 | 25 | 24 | 34 | 34 | 23 | 29 | 33 | 45 | 2293 | 16059 |
| 2025 | 06 | 20 | 17 | 1528 | 571 | 3218 | 1775 | 1915 | 1936 | 2568 | 28 | 25 | 33 | 22 | 30 | 37 | 34 | 47 | 2273 | 16040 |
| 2025 | 06 | 20 | 16 | 1531 | 571 | 2446 | 1825 | 2552 | 1762 | 2808 | 32 | 23 | 30 | 34 | 25 | 24 | 44 | 41 | 2274 | 16022 |
| 2025 | 06 | 20 | 15 | 1529 | 572 | 1900 | 1822 | 2816 | 2231 | 2615 | 35 | 19 | 45 | 26 | 33 | 22 | 36 | 38 | 2268 | 16007 |
| 2025 | 06 | 20 | 14 | 1529 | 570 | 1963 | 1790 | 2640 | 2789 | 2195 | 20 | 23 | 40 | 21 | 32 | 34 | 32 | 44 | 2268 | 15990 |
| 2025 | 06 | 20 | 13 | 1528 | 569 | 828 | 1878 | 2938 | 2864 | 2866 | 26 | 16 | 28 | 20 | 40 | 37 | 43 | 43 | 2250 | 15974 |
| 2025 | 06 | 20 | 12 | 1528 | 570 | 2055 | 1915 | 2857 | 1664 | 2874 | 31 | 23 | 34 | 33 | 38 | 30 | 35 | 35 | 2239 | 15961 |
| 2025 | 06 | 20 | 11 | 1524 | 570 | 2351 | 1716 | 2151 | 2388 | 2747 | 31 | 23 | 30 | 27 | 39 | 28 | 36 | 36 | 2241 | 15938 |
| 2025 | 06 | 20 | 10 | 1524 | 569 | 2139 | 2020 | 2084 | 2390 | 2717 | 22 | 22 | 36 | 38 | 28 | 30 | 37 | 42 | 2225 | 15923 |
| 2025 | 06 | 20 | 09 | 1526 | 569 | 1325 | 1811 | 2110 | 3438 | 2652 | 22 | 25 | 24 | 35 | 31 | 32 | 44 | 42 | 2215 | 15901 |
| 2025 | 06 | 20 | 08 | 1528 | 570 | 1909 | 1925 | 2145 | 2483 | 2865 | 25 | 33 | 40 | 27 | 27 | 23 | 29 | 35 | 2227 | 15891 |
| 2025 | 06 | 20 | 07 | 1526 | 571 | 2282 | 1835 | 2790 | 2002 | 2410 | 35 | 26 | 34 | 32 | 26 | 29 | 34 | 31 | 2212 | 15875 |
| 2025 | 06 | 20 | 06 | 1528 | 568 | 1958 | 1350 | 1928 | 2458 | 3610 | 35 | 25 | 33 | 25 | 29 | 34 | 28 | 37 | 2197 | 15843 |
| 2025 | 06 | 20 | 05 | 1524 | 570 | 2536 | 1884 | 2214 | 2084 | 2568 | 24 | 32 | 37 | 34 | 28 | 27 | 36 | 34 | 2182 | 15814 |
| 2025 | 06 | 20 | 04 | 1527 | 570 | 1924 | 1777 | 2380 | 2448 | 2749 | 21 | 24 | 33 | 21 | 30 | 23 | 39 | 43 | 2184 | 15793 |
| 2025 | 06 | 20 | 03 | 1524 | 569 | 2327 | 1616 | 2521 | 2573 | 2232 | 31 | 24 | 37 | 23 | 29 | 32 | 32 | 37 | 2160 | 15767 |
| 2025 | 06 | 20 | 02 | 1523 | 569 | 2558 | 1697 | 2392 | 2581 | 2030 | 27 | 30 | 40 | 31 | 27 | 32 | 27 | 34 | 2135 | 15733 |
| 2025 | 06 | 20 | 01 | 1520 | 570 | 2350 | 1606 | 2759 | 2026 | 2466 | 21 | 26 | 30 | 23 | 30 | 34 | 34 | 42 | 2114 | 15651 |
| 2025 | 06 | 20 | 00 | 1536 | 576 | 2433 | 2179 | 2120 | 2152 | 2601 | 31 | 39 | 24 | 21 | 17 | 35 | 47 | 49 | 2308 | 16168 |
| 2025 | 06 | 19 | 23 | 1534 | 574 | 2155 | 1921 | 2518 | 2172 | 2715 | 27 | 31 | 37 | 36 | 26 | 21 | 43 | 44 | 2305 | 16159 |
| 2025 | 06 | 19 | 22 | 1535 | 575 | 2944 | 1749 | 1756 | 2051 | 2972 | 29 | 32 | 38 | 31 | 22 | 34 | 29 | 39 | 2316 | 16152 |
| 2025 | 06 | 19 | 21 | 1535 | 575 | 2498 | 2268 | 1803 | 2296 | 2604 | 28 | 22 | 35 | 23 | 30 | 42 | 35 | 44 | 2304 | 16142 |
| 2025 | 06 | 19 | 20 | 1534 | 575 | 2605 | 2315 | 1609 | 2326 | 2608 | 28 | 27 | 28 | 31 | 25 | 33 | 30 | 51 | 2307 | 16132 |
| 2025 | 06 | 19 | 19 | 1534 | 575 | 1864 | 2186 | 2274 | 2041 | 3091 | 26 | 36 | 39 | 19 | 22 | 28 | 35 | 48 | 2307 | 16125 |
| 2025 | 06 | 19 | 18 | 1534 | 574 | 2135 | 2355 | 2302 | 2164 | 2498 | 26 | 36 | 39 | 24 | 17 | 38 | 29 | 51 | 2295 | 16117 |
| 2025 | 06 | 19 | 17 | 1534 | 574 | 2216 | 1980 | 2695 | 1921 | 2629 | 29 | 33 | 32 | 34 | 13 | 23 | 34 | 57 | 2297 | 16101 |
| 2025 | 06 | 19 | 16 | 1531 | 572 | 2512 | 1697 | 2421 | 1721 | 3083 | 32 | 27 | 35 | 33 | 24 | 23 | 31 | 41 | 2301 | 16084 |
| 2025 | 06 | 19 | 15 | 1532 | 573 | 2723 | 1757 | 1711 | 2701 | 2528 | 27 | 27 | 33 | 32 | 23 | 36 | 32 | 52 | 2279 | 16066 |
| 2025 | 06 | 19 | 14 | 1533 | 573 | 1967 | 1886 | 2129 | 2627 | 2806 | 27 | 27 | 35 | 33 | 25 | 31 | 31 | 50 | 2273 | 16053 |
| 2025 | 06 | 19 | 13 | 1530 | 573 | 2358 | 1782 | 2186 | 2102 | 2979 | 31 | 31 | 31 | 20 | 30 | 32 | 33 | 43 | 2272 | 16033 |
| 2025 | 06 | 19 | 12 | 1531 | 573 | 2486 | 2055 | 2182 | 2554 | 2123 | 29 | 34 | 31 | 32 | 26 | 24 | 32 | 37 | 2270 | 16019 |
| 2025 | 06 | 19 | 11 | 1533 | 572 | 2170 | 1848 | 1762 | 2473 | 3125 | 29 | 21 | 37 | 25 | 32 | 23 | 35 | 35 | 2266 | 15986 |
| 2025 | 06 | 19 | 10 | 1533 | 572 | 2170 | 1848 | 1762 | 2473 | 3125 | 29 | 21 | 37 | 25 | 32 | 23 | 35 | 35 | 2266 | 15986 |
| 2025 | 06 | 19 | 09 | 1533 | 571 | 1789 | 2160 | 2078 | 2933 | 2413 | 26 | 26 | 30 | 33 | 29 | 31 | 37 | 46 | 2246 | 15981 |
| 2025 | 06 | 19 | 08 | 1531 | 571 | 2151 | 2036 | 2054 | 3003 | 2122 | 36 | 33 | 33 | 25 | 25 | 25 | 39 | 44 | 2228 | 15956 |
| 2025 | 06 | 19 | 07 | 1530 | 571 | 2516 | 1918 | 1885 | 2362 | 2675 | 27 | 28 | 34 | 28 | 38 | 16 | 30 | 53 | 2225 | 15936 |
| 2025 | 06 | 19 | 06 | 1528 | 571 | 2045 | 1702 | 2309 | 2248 | 3046 | 28 | 25 | 34 | 35 | 27 | 33 | 35 | 40 | 2210 | 15916 |
| 2025 | 06 | 19 | 05 | 1529 | 571 | 2721 | 1924 | 2147 | 2214 | 2333 | 25 | 35 | 40 | 29 | 25 | 36 | 23 | 37 | 2202 | 15891 |