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 | 09 | 10 | 1528 | 574 | 2275 | 2212 | 2784 | 1937 | 2163 | 32 | 29 | 23 | 44 | 18 | 33 | 39 | 38 | 2248 | 15977 |
| 2025 | 07 | 09 | 09 | 1527 | 574 | 1718 | 2046 | 2111 | 2549 | 2944 | 28 | 31 | 27 | 35 | 18 | 26 | 38 | 47 | 2234 | 15953 |
| 2025 | 07 | 09 | 08 | 1527 | 574 | 2596 | 2072 | 2248 | 2034 | 2409 | 28 | 38 | 34 | 33 | 24 | 25 | 35 | 38 | 2215 | 15930 |
| 2025 | 07 | 09 | 07 | 1528 | 572 | 2008 | 2204 | 2534 | 2128 | 2470 | 24 | 32 | 29 | 31 | 20 | 26 | 24 | 52 | 2220 | 15902 |
| 2025 | 07 | 09 | 06 | 1529 | 572 | 2592 | 2003 | 1917 | 1768 | 3045 | 17 | 29 | 22 | 28 | 27 | 39 | 34 | 54 | 2191 | 15867 |
| 2025 | 07 | 09 | 05 | 1527 | 571 | 2296 | 1972 | 2181 | 1872 | 2999 | 28 | 23 | 30 | 28 | 24 | 26 | 34 | 50 | 2179 | 15840 |
| 2025 | 07 | 09 | 04 | 1527 | 571 | 1954 | 1712 | 2737 | 1910 | 2992 | 19 | 23 | 37 | 39 | 31 | 25 | 39 | 40 | 2146 | 15802 |
| 2025 | 07 | 09 | 03 | 1526 | 572 | 2724 | 1846 | 2052 | 2276 | 2396 | 26 | 30 | 32 | 28 | 21 | 31 | 38 | 41 | 2125 | 15764 |
| 2025 | 07 | 09 | 02 | 1527 | 572 | 2148 | 1680 | 1885 | 2617 | 2952 | 28 | 36 | 27 | 33 | 26 | 24 | 35 | 39 | 2094 | 15723 |
| 2025 | 07 | 09 | 01 | 1525 | 572 | 2119 | 1893 | 2431 | 2164 | 2638 | 28 | 31 | 38 | 25 | 25 | 34 | 35 | 36 | 2064 | 15658 |
| 2025 | 07 | 09 | 00 | 1534 | 575 | 1755 | 1784 | 2809 | 2536 | 2598 | 27 | 37 | 28 | 37 | 25 | 30 | 38 | 43 | 2319 | 16175 |
| 2025 | 07 | 08 | 23 | 1537 | 574 | 2850 | 1734 | 2186 | 2120 | 2584 | 29 | 26 | 38 | 37 | 19 | 26 | 32 | 47 | 2328 | 16167 |
| 2025 | 07 | 08 | 22 | 1532 | 573 | 2321 | 2187 | 2396 | 2309 | 2255 | 23 | 45 | 33 | 38 | 21 | 23 | 35 | 45 | 2318 | 16154 |
| 2025 | 07 | 08 | 21 | 1533 | 574 | 3135 | 2010 | 1741 | 2254 | 2318 | 21 | 43 | 39 | 33 | 23 | 29 | 29 | 39 | 2321 | 16142 |
| 2025 | 07 | 08 | 20 | 1532 | 574 | 1958 | 2117 | 2146 | 2633 | 2600 | 19 | 38 | 30 | 31 | 25 | 33 | 39 | 44 | 2312 | 16131 |
| 2025 | 07 | 08 | 19 | 1529 | 574 | 2236 | 1653 | 2434 | 2440 | 2688 | 26 | 32 | 35 | 28 | 25 | 36 | 26 | 38 | 2323 | 16123 |
| 2025 | 07 | 08 | 18 | 1532 | 574 | 1918 | 1788 | 2126 | 3204 | 2408 | 36 | 39 | 42 | 23 | 23 | 24 | 31 | 34 | 2311 | 16113 |
| 2025 | 07 | 08 | 17 | 1533 | 574 | 2246 | 1944 | 2243 | 2707 | 2289 | 22 | 36 | 34 | 27 | 26 | 33 | 44 | 33 | 2309 | 16100 |
| 2025 | 07 | 08 | 16 | 1534 | 573 | 2252 | 1623 | 2481 | 2152 | 2915 | 31 | 27 | 33 | 25 | 21 | 37 | 35 | 42 | 2301 | 16082 |
| 2025 | 07 | 08 | 15 | 1531 | 572 | 2256 | 2099 | 2303 | 2210 | 2550 | 30 | 34 | 34 | 29 | 22 | 25 | 34 | 45 | 2296 | 16070 |
| 2025 | 07 | 08 | 14 | 1528 | 573 | 2085 | 1440 | 2308 | 2763 | 2819 | 24 | 29 | 40 | 29 | 29 | 20 | 39 | 42 | 2284 | 16052 |
| 2025 | 07 | 08 | 13 | 1526 | 574 | 2770 | 2012 | 2721 | 2107 | 1791 | 29 | 26 | 36 | 31 | 34 | 29 | 42 | 32 | 2267 | 16027 |
| 2025 | 07 | 08 | 12 | 1528 | 573 | 2188 | 1514 | 2400 | 2332 | 2960 | 21 | 33 | 34 | 28 | 35 | 30 | 42 | 35 | 2259 | 16012 |
| 2025 | 07 | 08 | 11 | 1530 | 573 | 1735 | 1926 | 2714 | 2775 | 2229 | 27 | 27 | 34 | 29 | 26 | 29 | 41 | 38 | 2256 | 15989 |
| 2025 | 07 | 08 | 10 | 1529 | 573 | 1598 | 2009 | 2225 | 2791 | 2748 | 29 | 31 | 35 | 26 | 20 | 26 | 30 | 44 | 2260 | 15974 |
| 2025 | 07 | 08 | 09 | 1527 | 572 | 1822 | 2168 | 2490 | 2661 | 2226 | 24 | 40 | 32 | 27 | 32 | 25 | 36 | 38 | 2235 | 15955 |
| 2025 | 07 | 08 | 08 | 1527 | 571 | 2383 | 1875 | 2210 | 2205 | 2687 | 30 | 22 | 30 | 31 | 18 | 37 | 49 | 37 | 2225 | 15937 |
| 2025 | 07 | 08 | 07 | 1526 | 572 | 2144 | 2078 | 2571 | 2265 | 2293 | 27 | 19 | 33 | 37 | 23 | 25 | 44 | 42 | 2213 | 15912 |
| 2025 | 07 | 08 | 06 | 1526 | 573 | 2320 | 1706 | 1955 | 2525 | 2837 | 23 | 29 | 38 | 23 | 25 | 37 | 31 | 42 | 2194 | 15884 |
| 2025 | 07 | 08 | 05 | 1528 | 573 | 1886 | 2151 | 1550 | 2885 | 2852 | 26 | 28 | 26 | 36 | 23 | 25 | 42 | 39 | 2181 | 15851 |
| 2025 | 07 | 08 | 04 | 1527 | 573 | 2404 | 1725 | 2048 | 2620 | 2515 | 32 | 33 | 30 | 34 | 33 | 20 | 36 | 44 | 2147 | 15821 |
| 2025 | 07 | 08 | 03 | 1527 | 573 | 2302 | 1925 | 2120 | 2622 | 2335 | 22 | 34 | 27 | 29 | 31 | 26 | 39 | 36 | 2141 | 15789 |
| 2025 | 07 | 08 | 02 | 1528 | 570 | 1758 | 1922 | 2626 | 2485 | 2497 | 22 | 28 | 36 | 27 | 23 | 31 | 31 | 46 | 2104 | 15734 |
| 2025 | 07 | 08 | 01 | 1522 | 567 | 3116 | 2195 | 1646 | 2295 | 2011 | 19 | 30 | 38 | 24 | 34 | 31 | 30 | 40 | 2064 | 15662 |
| 2025 | 07 | 08 | 00 | 1528 | 574 | 2023 | 2130 | 2121 | 2251 | 2967 | 28 | 23 | 37 | 35 | 31 | 25 | 38 | 41 | 2322 | 16174 |
| 2025 | 07 | 07 | 23 | 1530 | 575 | 1910 | 2123 | 2397 | 2311 | 2743 | 33 | 43 | 24 | 39 | 26 | 26 | 34 | 32 | 2319 | 16165 |
| 2025 | 07 | 07 | 22 | 1531 | 575 | 1984 | 2172 | 2515 | 2167 | 2636 | 28 | 37 | 26 | 36 | 20 | 29 | 36 | 50 | 2311 | 16153 |
| 2025 | 07 | 07 | 21 | 1531 | 575 | 2102 | 1522 | 3148 | 2059 | 2639 | 25 | 33 | 36 | 34 | 16 | 28 | 30 | 63 | 2306 | 16147 |
| 2025 | 07 | 07 | 20 | 1528 | 575 | 1858 | 2123 | 2324 | 2253 | 2907 | 25 | 35 | 29 | 38 | 25 | 26 | 36 | 40 | 2310 | 16132 |
| 2025 | 07 | 07 | 19 | 1530 | 574 | 1993 | 1816 | 2528 | 2063 | 3058 | 31 | 26 | 35 | 29 | 32 | 29 | 27 | 44 | 2307 | 16122 |
| 2025 | 07 | 07 | 18 | 1527 | 572 | 1947 | 1996 | 2493 | 2121 | 2894 | 27 | 25 | 29 | 33 | 24 | 28 | 44 | 41 | 2307 | 16108 |
| 2025 | 07 | 07 | 17 | 1526 | 573 | 2222 | 1792 | 1908 | 2667 | 2853 | 20 | 27 | 26 | 27 | 36 | 31 | 38 | 42 | 2303 | 16091 |
| 2025 | 07 | 07 | 16 | 1529 | 573 | 1780 | 2403 | 2327 | 2053 | 2859 | 31 | 32 | 34 | 27 | 26 | 23 | 31 | 60 | 2284 | 16072 |
| 2025 | 07 | 07 | 15 | 1528 | 573 | 1864 | 2187 | 2765 | 1783 | 2819 | 23 | 32 | 38 | 28 | 23 | 25 | 43 | 44 | 2287 | 16062 |
| 2025 | 07 | 07 | 14 | 1529 | 573 | 2109 | 1807 | 2568 | 2802 | 2117 | 32 | 38 | 21 | 23 | 23 | 32 | 44 | 49 | 2270 | 16037 |
| 2025 | 07 | 07 | 13 | 1528 | 573 | 2753 | 1596 | 2480 | 2328 | 2243 | 24 | 35 | 27 | 20 | 31 | 26 | 52 | 43 | 2260 | 16019 |
| 2025 | 07 | 07 | 12 | 1528 | 571 | 2073 | 2015 | 2920 | 1907 | 2471 | 30 | 26 | 39 | 34 | 18 | 31 | 38 | 47 | 2253 | 16001 |
| 2025 | 07 | 07 | 11 | 1526 | 570 | 2084 | 1763 | 2809 | 2247 | 2481 | 29 | 22 | 45 | 40 | 25 | 29 | 29 | 33 | 2255 | 15987 |