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 | 23 | 19 | 1556 | 590 | 2247 | 1689 | 2327 | 2372 | 2782 | 22 | 23 | 26 | 31 | 30 | 35 | 27 | 43 | 2298 | 16098 |
| 2025 | 08 | 23 | 18 | 1556 | 590 | 2467 | 2241 | 2106 | 2626 | 1968 | 23 | 28 | 29 | 27 | 28 | 41 | 31 | 41 | 2280 | 16082 |
| 2025 | 08 | 23 | 17 | 1556 | 589 | 2752 | 1860 | 2213 | 2498 | 2083 | 31 | 25 | 26 | 32 | 28 | 23 | 35 | 35 | 2284 | 16070 |
| 2025 | 08 | 23 | 16 | 1554 | 589 | 2311 | 1930 | 2261 | 2252 | 2643 | 22 | 25 | 31 | 33 | 33 | 25 | 35 | 34 | 2278 | 16056 |
| 2025 | 08 | 23 | 15 | 1555 | 589 | 2253 | 1631 | 2323 | 2437 | 2747 | 24 | 25 | 27 | 34 | 25 | 31 | 35 | 33 | 2272 | 16041 |
| 2025 | 08 | 23 | 14 | 1554 | 590 | 2344 | 2011 | 2458 | 2204 | 2364 | 31 | 22 | 32 | 31 | 19 | 37 | 30 | 43 | 2253 | 16023 |
| 2025 | 08 | 23 | 13 | 1553 | 589 | 1738 | 2314 | 2249 | 2192 | 2883 | 26 | 29 | 26 | 24 | 21 | 29 | 43 | 42 | 2155 | 15913 |
| 2025 | 08 | 23 | 12 | 1553 | 589 | 2086 | 1959 | 2304 | 2386 | 2629 | 24 | 28 | 25 | 25 | 30 | 43 | 27 | 45 | 2141 | 15894 |
| 2025 | 08 | 23 | 11 | 1553 | 588 | 2488 | 1644 | 2183 | 2505 | 2541 | 29 | 25 | 24 | 38 | 27 | 24 | 36 | 42 | 2119 | 15866 |
| 2025 | 08 | 23 | 10 | 1552 | 588 | 1718 | 1513 | 2978 | 3278 | 1874 | 21 | 21 | 31 | 32 | 26 | 34 | 36 | 38 | 2115 | 15855 |
| 2025 | 08 | 23 | 09 | 1553 | 586 | 2229 | 1824 | 2032 | 2159 | 3116 | 23 | 31 | 20 | 36 | 29 | 29 | 36 | 37 | 2099 | 15839 |
| 2025 | 08 | 23 | 08 | 1553 | 587 | 1582 | 1919 | 2590 | 2392 | 2864 | 29 | 25 | 31 | 35 | 20 | 38 | 29 | 40 | 2079 | 15813 |
| 2025 | 08 | 23 | 07 | 1554 | 587 | 2650 | 1690 | 1954 | 2447 | 2594 | 31 | 31 | 21 | 30 | 33 | 33 | 31 | 34 | 2065 | 15785 |
| 2025 | 08 | 23 | 06 | 1554 | 587 | 2326 | 1633 | 2366 | 2658 | 2341 | 22 | 20 | 40 | 32 | 14 | 36 | 40 | 33 | 2053 | 15755 |
| 2025 | 08 | 23 | 05 | 1555 | 587 | 2101 | 1828 | 1746 | 2597 | 3041 | 19 | 24 | 29 | 32 | 22 | 49 | 29 | 34 | 2027 | 15720 |
| 2025 | 08 | 23 | 04 | 1555 | 587 | 1892 | 1966 | 2396 | 1981 | 3065 | 31 | 28 | 30 | 30 | 29 | 33 | 24 | 36 | 2004 | 15687 |
| 2025 | 08 | 23 | 03 | 1551 | 587 | 2020 | 2002 | 2881 | 2411 | 1981 | 24 | 26 | 30 | 26 | 23 | 37 | 38 | 37 | 1988 | 15662 |
| 2025 | 08 | 23 | 02 | 1552 | 586 | 2505 | 1643 | 2866 | 1571 | 2667 | 19 | 33 | 27 | 28 | 36 | 31 | 27 | 41 | 1968 | 15600 |
| 2025 | 08 | 23 | 01 | 1550 | 585 | 2734 | 1613 | 2446 | 2181 | 2250 | 23 | 26 | 25 | 28 | 35 | 28 | 33 | 32 | 1930 | 15519 |
| 2025 | 08 | 23 | 00 | 1554 | 591 | 1995 | 1742 | 2259 | 2286 | 3165 | 33 | 29 | 23 | 23 | 24 | 28 | 39 | 35 | 2212 | 16038 |
| 2025 | 08 | 22 | 23 | 1553 | 592 | 2486 | 1562 | 2510 | 2084 | 2796 | 25 | 42 | 28 | 26 | 28 | 34 | 29 | 39 | 2198 | 16032 |
| 2025 | 08 | 22 | 22 | 1555 | 592 | 1988 | 1955 | 2651 | 2269 | 2572 | 27 | 23 | 24 | 34 | 24 | 29 | 39 | 38 | 2207 | 16027 |
| 2025 | 08 | 22 | 21 | 1557 | 592 | 2157 | 1981 | 2149 | 2374 | 2769 | 21 | 27 | 31 | 29 | 25 | 33 | 28 | 47 | 2199 | 16019 |
| 2025 | 08 | 22 | 20 | 1555 | 592 | 2005 | 1905 | 2358 | 2432 | 2723 | 16 | 29 | 28 | 32 | 27 | 32 | 35 | 39 | 2202 | 16010 |
| 2025 | 08 | 22 | 19 | 1554 | 592 | 2081 | 1660 | 2658 | 2346 | 2673 | 30 | 20 | 34 | 32 | 24 | 32 | 28 | 49 | 2190 | 16003 |
| 2025 | 08 | 22 | 18 | 1551 | 592 | 2774 | 1699 | 2282 | 2013 | 2650 | 32 | 26 | 25 | 30 | 24 | 33 | 29 | 50 | 2178 | 15988 |
| 2025 | 08 | 22 | 17 | 1553 | 590 | 2217 | 2009 | 3015 | 1756 | 2412 | 18 | 33 | 29 | 32 | 22 | 35 | 36 | 40 | 2178 | 15975 |
| 2025 | 08 | 22 | 16 | 1552 | 591 | 2110 | 1907 | 2343 | 2362 | 2674 | 21 | 22 | 16 | 28 | 33 | 36 | 39 | 51 | 2169 | 15954 |
| 2025 | 08 | 22 | 15 | 1555 | 592 | 1823 | 1702 | 2758 | 2957 | 2137 | 16 | 29 | 27 | 37 | 24 | 25 | 40 | 44 | 2173 | 15939 |
| 2025 | 08 | 22 | 14 | 1554 | 592 | 2355 | 1955 | 2172 | 2339 | 2543 | 23 | 30 | 26 | 21 | 37 | 27 | 43 | 37 | 2165 | 15919 |
| 2025 | 08 | 22 | 13 | 1552 | 592 | 2446 | 1512 | 2183 | 2588 | 2635 | 27 | 29 | 24 | 32 | 31 | 27 | 29 | 44 | 2159 | 15910 |
| 2025 | 08 | 22 | 12 | 1554 | 592 | 1995 | 1540 | 2411 | 2813 | 2592 | 26 | 32 | 20 | 39 | 31 | 36 | 34 | 33 | 2138 | 15886 |
| 2025 | 08 | 22 | 11 | 1552 | 592 | 2128 | 2135 | 2199 | 2402 | 2479 | 22 | 33 | 36 | 37 | 22 | 31 | 23 | 47 | 2132 | 15870 |
| 2025 | 08 | 22 | 10 | 1550 | 590 | 1628 | 1593 | 2515 | 2627 | 2979 | 25 | 31 | 24 | 33 | 18 | 38 | 36 | 33 | 2134 | 15854 |
| 2025 | 08 | 22 | 09 | 1551 | 592 | 2317 | 1731 | 2502 | 2113 | 2661 | 27 | 29 | 21 | 27 | 22 | 42 | 33 | 40 | 2118 | 15826 |
| 2025 | 08 | 22 | 08 | 1552 | 591 | 2664 | 1820 | 2270 | 2703 | 1859 | 23 | 41 | 23 | 26 | 25 | 27 | 32 | 40 | 2102 | 15798 |
| 2025 | 08 | 22 | 07 | 1550 | 591 | 2152 | 1807 | 2440 | 2124 | 2782 | 30 | 29 | 25 | 21 | 27 | 36 | 33 | 42 | 2093 | 15782 |
| 2025 | 08 | 22 | 06 | 1550 | 591 | 2266 | 1740 | 2679 | 1984 | 2626 | 22 | 31 | 29 | 28 | 29 | 30 | 27 | 44 | 2083 | 15759 |
| 2025 | 08 | 22 | 05 | 1551 | 591 | 2255 | 1848 | 2368 | 2815 | 2000 | 18 | 27 | 27 | 29 | 26 | 34 | 32 | 50 | 2055 | 15726 |
| 2025 | 08 | 22 | 04 | 1550 | 590 | 2260 | 1853 | 2657 | 2340 | 2163 | 32 | 26 | 41 | 24 | 29 | 31 | 22 | 40 | 2015 | 15673 |
| 2025 | 08 | 22 | 03 | 1548 | 588 | 2336 | 2134 | 2578 | 2147 | 2077 | 32 | 28 | 25 | 33 | 26 | 23 | 20 | 43 | 2004 | 15642 |
| 2025 | 08 | 22 | 02 | 1551 | 589 | 1388 | 2066 | 2867 | 1814 | 3114 | 30 | 33 | 30 | 24 | 30 | 31 | 30 | 29 | 1966 | 15592 |
| 2025 | 08 | 22 | 01 | 1550 | 590 | 1724 | 1710 | 2427 | 3047 | 2310 | 22 | 26 | 31 | 31 | 21 | 33 | 28 | 41 | 1909 | 15500 |
| 2025 | 08 | 22 | 00 | 1557 | 592 | 2306 | 1909 | 2010 | 2093 | 3128 | 21 | 25 | 27 | 23 | 38 | 34 | 27 | 46 | 2209 | 16045 |
| 2025 | 08 | 21 | 23 | 1558 | 592 | 2354 | 2152 | 2335 | 1905 | 2697 | 13 | 26 | 38 | 32 | 23 | 37 | 30 | 41 | 2206 | 16039 |
| 2025 | 08 | 21 | 22 | 1556 | 592 | 1826 | 1847 | 2037 | 2857 | 2866 | 30 | 30 | 29 | 29 | 31 | 25 | 38 | 31 | 2209 | 16033 |
| 2025 | 08 | 21 | 21 | 1552 | 591 | 1934 | 1709 | 2490 | 3082 | 2216 | 31 | 24 | 25 | 27 | 20 | 36 | 47 | 42 | 2197 | 16023 |
| 2025 | 08 | 21 | 20 | 1555 | 591 | 2380 | 2029 | 2023 | 2610 | 2384 | 21 | 25 | 29 | 19 | 18 | 39 | 37 | 50 | 2205 | 16015 |