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 |
| 2026 | 02 | 25 | 03 | 1608 | 632 | 1713 | 2019 | 2350 | 2511 | 2490 | 32 | 29 | 35 | 31 | 25 | 28 | 25 | 50 | 2209 | 15787 |
| 2026 | 02 | 25 | 02 | 1609 | 632 | 2217 | 2032 | 2019 | 2453 | 2335 | 21 | 24 | 37 | 31 | 25 | 32 | 39 | 50 | 2200 | 15756 |
| 2026 | 02 | 25 | 01 | 1606 | 632 | 2371 | 1966 | 1811 | 2251 | 2639 | 30 | 32 | 27 | 23 | 31 | 33 | 36 | 39 | 2175 | 15702 |
| 2026 | 02 | 25 | 00 | 1609 | 639 | 2385 | 1931 | 2038 | 2238 | 2635 | 17 | 35 | 36 | 23 | 33 | 40 | 26 | 39 | 2388 | 16112 |
| 2026 | 02 | 24 | 23 | 1612 | 640 | 2059 | 1805 | 2118 | 2131 | 3100 | 27 | 29 | 35 | 28 | 23 | 33 | 36 | 38 | 2383 | 16097 |
| 2026 | 02 | 24 | 22 | 1613 | 640 | 2689 | 1540 | 2027 | 2485 | 2470 | 25 | 24 | 22 | 29 | 38 | 38 | 29 | 39 | 2376 | 16084 |
| 2026 | 02 | 24 | 21 | 1610 | 639 | 1989 | 1622 | 2247 | 2311 | 3034 | 22 | 28 | 24 | 33 | 21 | 42 | 32 | 46 | 2365 | 16065 |
| 2026 | 02 | 24 | 20 | 1611 | 639 | 2115 | 2147 | 2002 | 2541 | 2390 | 24 | 31 | 39 | 24 | 23 | 36 | 34 | 44 | 2355 | 16055 |
| 2026 | 02 | 24 | 19 | 1610 | 638 | 1909 | 1610 | 2643 | 2677 | 2348 | 31 | 24 | 30 | 33 | 23 | 42 | 36 | 41 | 2347 | 16042 |
| 2026 | 02 | 24 | 18 | 1610 | 638 | 2162 | 2080 | 1778 | 2021 | 3136 | 27 | 30 | 33 | 23 | 29 | 30 | 30 | 52 | 2352 | 16031 |
| 2026 | 02 | 24 | 17 | 1609 | 638 | 2092 | 1639 | 2110 | 2741 | 2598 | 14 | 26 | 28 | 35 | 26 | 40 | 29 | 50 | 2347 | 16022 |
| 2026 | 02 | 24 | 16 | 1609 | 640 | 2625 | 1748 | 1774 | 2403 | 2618 | 18 | 24 | 32 | 29 | 15 | 36 | 35 | 51 | 2348 | 16005 |
| 2026 | 02 | 24 | 15 | 1611 | 639 | 2017 | 1907 | 1694 | 2747 | 2801 | 18 | 24 | 35 | 36 | 26 | 45 | 28 | 55 | 2309 | 15992 |
| 2026 | 02 | 24 | 14 | 1609 | 640 | 2183 | 2020 | 2485 | 2236 | 2239 | 22 | 22 | 34 | 34 | 32 | 34 | 32 | 43 | 2313 | 15978 |
| 2026 | 02 | 24 | 13 | 1608 | 639 | 1915 | 1546 | 2827 | 2835 | 2029 | 26 | 27 | 29 | 25 | 21 | 38 | 31 | 48 | 2318 | 15962 |
| 2026 | 02 | 24 | 12 | 1608 | 639 | 2127 | 1809 | 2357 | 2278 | 2575 | 20 | 20 | 34 | 29 | 33 | 32 | 34 | 52 | 2301 | 15948 |
| 2026 | 02 | 24 | 11 | 1608 | 639 | 2483 | 1990 | 2389 | 2322 | 1956 | 29 | 35 | 31 | 25 | 26 | 31 | 31 | 41 | 2303 | 15939 |
| 2026 | 02 | 24 | 10 | 1608 | 639 | 2127 | 1675 | 2434 | 2459 | 2434 | 27 | 32 | 28 | 35 | 22 | 31 | 33 | 45 | 2296 | 15925 |
| 2026 | 02 | 24 | 09 | 1609 | 638 | 2343 | 1908 | 1860 | 1712 | 3304 | 25 | 27 | 27 | 28 | 28 | 26 | 35 | 48 | 2289 | 15907 |
| 2026 | 02 | 24 | 08 | 1607 | 638 | 1955 | 2035 | 2068 | 2094 | 2964 | 29 | 26 | 32 | 31 | 23 | 24 | 30 | 43 | 2287 | 15886 |
| 2026 | 02 | 24 | 07 | 1607 | 638 | 1965 | 1830 | 1989 | 2617 | 2706 | 21 | 23 | 27 | 27 | 27 | 48 | 35 | 40 | 2266 | 15866 |
| 2026 | 02 | 24 | 06 | 1607 | 638 | 2199 | 2012 | 2701 | 1809 | 2370 | 35 | 22 | 28 | 27 | 27 | 40 | 26 | 44 | 2258 | 15843 |
| 2026 | 02 | 24 | 05 | 1609 | 637 | 2447 | 1905 | 2483 | 2259 | 1990 | 24 | 30 | 23 | 35 | 22 | 34 | 27 | 60 | 2242 | 15827 |
| 2026 | 02 | 24 | 04 | 1609 | 638 | 2174 | 1875 | 2437 | 1833 | 2764 | 35 | 18 | 26 | 31 | 23 | 37 | 33 | 42 | 2236 | 15811 |
| 2026 | 02 | 24 | 03 | 1609 | 638 | 2028 | 1983 | 2269 | 2226 | 2562 | 18 | 21 | 27 | 28 | 33 | 34 | 29 | 55 | 2227 | 15787 |
| 2026 | 02 | 24 | 02 | 1606 | 637 | 1762 | 1635 | 2429 | 2473 | 2754 | 28 | 23 | 25 | 29 | 25 | 36 | 31 | 38 | 2225 | 15756 |
| 2026 | 02 | 24 | 01 | 1606 | 633 | 1955 | 1939 | 2012 | 2684 | 2426 | 24 | 20 | 30 | 39 | 17 | 38 | 26 | 48 | 2193 | 15690 |
| 2026 | 02 | 24 | 00 | 1615 | 639 | 1734 | 1860 | 2786 | 2327 | 2549 | 27 | 26 | 26 | 29 | 19 | 39 | 34 | 50 | 2376 | 16136 |
| 2026 | 02 | 23 | 23 | 1618 | 639 | 1654 | 1803 | 2422 | 3301 | 2069 | 29 | 30 | 28 | 31 | 19 | 38 | 28 | 50 | 2366 | 16125 |
| 2026 | 02 | 23 | 22 | 1618 | 639 | 2074 | 2094 | 2267 | 2233 | 2580 | 17 | 19 | 34 | 37 | 22 | 35 | 26 | 54 | 2369 | 16118 |
| 2026 | 02 | 23 | 21 | 1618 | 640 | 1836 | 1875 | 2087 | 2736 | 2705 | 26 | 20 | 31 | 30 | 31 | 31 | 32 | 41 | 2367 | 16106 |
| 2026 | 02 | 23 | 20 | 1617 | 638 | 2225 | 1723 | 1727 | 2730 | 2829 | 23 | 30 | 37 | 34 | 24 | 32 | 29 | 55 | 2340 | 16093 |
| 2026 | 02 | 23 | 19 | 1617 | 638 | 2460 | 1863 | 2109 | 2413 | 2380 | 26 | 26 | 22 | 28 | 24 | 35 | 32 | 36 | 2366 | 16075 |
| 2026 | 02 | 23 | 18 | 1614 | 637 | 2173 | 1826 | 2278 | 2559 | 2387 | 29 | 25 | 31 | 23 | 27 | 30 | 30 | 46 | 2347 | 16062 |
| 2026 | 02 | 23 | 17 | 1616 | 638 | 2164 | 1785 | 2120 | 2159 | 2982 | 30 | 22 | 30 | 25 | 27 | 33 | 35 | 46 | 2331 | 16043 |
| 2026 | 02 | 23 | 16 | 1615 | 639 | 2119 | 1964 | 2609 | 2297 | 2206 | 21 | 30 | 27 | 30 | 37 | 39 | 29 | 41 | 2325 | 16028 |
| 2026 | 02 | 23 | 15 | 1615 | 638 | 2308 | 2085 | 2048 | 1659 | 3092 | 27 | 32 | 26 | 30 | 24 | 36 | 30 | 41 | 2323 | 16014 |
| 2026 | 02 | 23 | 14 | 1617 | 638 | 1881 | 1645 | 2244 | 2386 | 3028 | 28 | 24 | 30 | 28 | 33 | 34 | 37 | 37 | 2306 | 15996 |
| 2026 | 02 | 23 | 13 | 1615 | 638 | 2447 | 1826 | 2248 | 1881 | 2766 | 12 | 25 | 29 | 27 | 31 | 40 | 31 | 55 | 2301 | 15972 |
| 2026 | 02 | 23 | 12 | 1616 | 639 | 2634 | 1634 | 2350 | 2499 | 2034 | 32 | 24 | 27 | 28 | 26 | 36 | 25 | 46 | 2305 | 15955 |
| 2026 | 02 | 23 | 11 | 1615 | 639 | 2245 | 1436 | 2227 | 2427 | 2813 | 26 | 31 | 24 | 28 | 35 | 36 | 37 | 38 | 2281 | 15938 |
| 2026 | 02 | 23 | 10 | 1615 | 638 | 2615 | 1766 | 1731 | 2359 | 2673 | 30 | 21 | 30 | 25 | 30 | 24 | 38 | 40 | 2292 | 15927 |
| 2026 | 02 | 23 | 09 | 1614 | 637 | 2154 | 2032 | 2031 | 2521 | 2397 | 32 | 32 | 32 | 26 | 28 | 31 | 26 | 35 | 2284 | 15912 |
| 2026 | 02 | 23 | 08 | 1616 | 636 | 1992 | 1907 | 2214 | 2320 | 2694 | 28 | 23 | 38 | 27 | 31 | 29 | 30 | 37 | 2270 | 15892 |
| 2026 | 02 | 23 | 07 | 1617 | 635 | 2011 | 1760 | 2145 | 2765 | 2432 | 19 | 30 | 23 | 40 | 35 | 28 | 32 | 39 | 2255 | 15866 |
| 2026 | 02 | 23 | 06 | 1617 | 635 | 2349 | 1925 | 1591 | 2569 | 2665 | 27 | 21 | 32 | 30 | 29 | 32 | 37 | 45 | 2238 | 15842 |
| 2026 | 02 | 23 | 05 | 1617 | 635 | 2599 | 1446 | 2374 | 2397 | 2279 | 21 | 27 | 33 | 27 | 31 | 26 | 30 | 42 | 2240 | 15824 |
| 2026 | 02 | 23 | 04 | 1614 | 633 | 2546 | 1823 | 2199 | 2210 | 2316 | 24 | 24 | 35 | 29 | 31 | 33 | 32 | 40 | 2216 | 15805 |