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 | 16 | 19 | 1545 | 586 | 2020 | 1927 | 1549 | 2635 | 3235 | 26 | 25 | 25 | 31 | 22 | 29 | 37 | 44 | 2299 | 16035 |
| 2025 | 08 | 16 | 18 | 1548 | 588 | 2086 | 2205 | 1761 | 2246 | 3057 | 25 | 18 | 31 | 31 | 20 | 27 | 36 | 49 | 2303 | 16031 |
| 2025 | 08 | 16 | 17 | 1548 | 588 | 2239 | 1709 | 2360 | 2902 | 2135 | 23 | 25 | 31 | 31 | 25 | 25 | 29 | 43 | 2303 | 16016 |
| 2025 | 08 | 16 | 16 | 1547 | 588 | 1661 | 1996 | 2598 | 2684 | 2402 | 17 | 31 | 31 | 27 | 27 | 21 | 41 | 49 | 2280 | 16000 |
| 2025 | 08 | 16 | 15 | 1548 | 588 | 2059 | 2129 | 2205 | 2427 | 2508 | 15 | 30 | 35 | 28 | 19 | 23 | 32 | 49 | 2288 | 15983 |
| 2025 | 08 | 16 | 14 | 1550 | 587 | 2416 | 1976 | 2413 | 2597 | 1923 | 25 | 26 | 27 | 34 | 27 | 27 | 39 | 38 | 2271 | 15976 |
| 2025 | 08 | 16 | 13 | 1548 | 586 | 2066 | 1881 | 2092 | 2359 | 2917 | 30 | 34 | 22 | 33 | 15 | 31 | 31 | 41 | 2274 | 15960 |
| 2025 | 08 | 16 | 12 | 1547 | 587 | 2453 | 1611 | 2527 | 2261 | 2452 | 18 | 24 | 34 | 23 | 19 | 27 | 44 | 43 | 2272 | 15942 |
| 2025 | 08 | 16 | 11 | 1547 | 587 | 2818 | 1592 | 2143 | 2055 | 2692 | 23 | 28 | 30 | 28 | 21 | 29 | 41 | 37 | 2255 | 15926 |
| 2025 | 08 | 16 | 10 | 1548 | 587 | 2119 | 1796 | 2676 | 2477 | 2217 | 28 | 27 | 29 | 27 | 20 | 29 | 29 | 42 | 2253 | 15904 |
| 2025 | 08 | 16 | 09 | 1546 | 588 | 1770 | 1886 | 2359 | 2229 | 3033 | 27 | 27 | 31 | 26 | 22 | 24 | 29 | 49 | 2246 | 15892 |
| 2025 | 08 | 16 | 08 | 1546 | 586 | 2090 | 1692 | 2099 | 2504 | 2887 | 32 | 23 | 19 | 29 | 23 | 36 | 40 | 37 | 2228 | 15871 |
| 2025 | 08 | 16 | 07 | 1546 | 586 | 1998 | 1773 | 2314 | 2678 | 2497 | 20 | 32 | 26 | 30 | 25 | 27 | 38 | 40 | 2220 | 15850 |
| 2025 | 08 | 16 | 06 | 1547 | 586 | 1743 | 1869 | 3204 | 1941 | 2495 | 19 | 24 | 29 | 32 | 23 | 37 | 40 | 39 | 2200 | 15828 |
| 2025 | 08 | 16 | 05 | 1548 | 586 | 2463 | 2135 | 1830 | 2562 | 2242 | 19 | 34 | 32 | 29 | 26 | 27 | 32 | 45 | 2178 | 15788 |
| 2025 | 08 | 16 | 04 | 1548 | 586 | 2166 | 1842 | 2341 | 2489 | 2383 | 18 | 27 | 21 | 26 | 37 | 31 | 35 | 35 | 2167 | 15752 |
| 2025 | 08 | 16 | 03 | 1546 | 586 | 2531 | 1541 | 2240 | 2221 | 2683 | 27 | 21 | 28 | 25 | 34 | 34 | 33 | 36 | 2143 | 15729 |
| 2025 | 08 | 16 | 02 | 1545 | 583 | 2469 | 1516 | 2425 | 2584 | 2204 | 23 | 25 | 24 | 26 | 19 | 33 | 43 | 40 | 2127 | 15686 |
| 2025 | 08 | 16 | 01 | 1542 | 582 | 2399 | 1915 | 1876 | 2686 | 2299 | 19 | 26 | 36 | 26 | 21 | 29 | 47 | 34 | 2071 | 15608 |
| 2025 | 08 | 16 | 00 | 1552 | 589 | 1967 | 2149 | 2102 | 1647 | 3530 | 20 | 23 | 34 | 34 | 31 | 36 | 27 | 44 | 2284 | 16069 |
| 2025 | 08 | 15 | 23 | 1552 | 589 | 2104 | 1607 | 2321 | 2718 | 2636 | 25 | 30 | 33 | 27 | 16 | 37 | 35 | 37 | 2292 | 16059 |
| 2025 | 08 | 15 | 22 | 1552 | 589 | 2663 | 1533 | 2405 | 1967 | 2814 | 16 | 22 | 26 | 40 | 23 | 38 | 39 | 33 | 2295 | 16055 |
| 2025 | 08 | 15 | 21 | 1554 | 589 | 2151 | 1716 | 2061 | 2336 | 3107 | 21 | 29 | 27 | 34 | 24 | 36 | 29 | 43 | 2285 | 16042 |
| 2025 | 08 | 15 | 20 | 1551 | 589 | 2439 | 1864 | 2014 | 2090 | 2968 | 24 | 25 | 26 | 34 | 28 | 30 | 33 | 44 | 2277 | 16036 |
| 2025 | 08 | 15 | 19 | 1554 | 588 | 2002 | 1981 | 2696 | 2153 | 2534 | 23 | 21 | 33 | 24 | 26 | 35 | 33 | 42 | 2273 | 16018 |
| 2025 | 08 | 15 | 18 | 1553 | 587 | 2032 | 2071 | 2484 | 2078 | 2695 | 23 | 24 | 30 | 35 | 23 | 40 | 38 | 33 | 2245 | 15991 |
| 2025 | 08 | 15 | 17 | 1553 | 585 | 2021 | 1745 | 2413 | 2886 | 2287 | 24 | 17 | 25 | 24 | 29 | 31 | 36 | 44 | 2259 | 15979 |
| 2025 | 08 | 15 | 16 | 1550 | 587 | 1997 | 1579 | 2422 | 2443 | 2897 | 28 | 25 | 26 | 33 | 29 | 25 | 27 | 38 | 2253 | 15959 |
| 2025 | 08 | 15 | 15 | 1554 | 587 | 2045 | 1656 | 1981 | 2252 | 3394 | 22 | 26 | 27 | 34 | 29 | 37 | 31 | 31 | 2241 | 15947 |
| 2025 | 08 | 15 | 14 | 1553 | 588 | 3001 | 1768 | 2038 | 1888 | 2622 | 18 | 31 | 29 | 27 | 29 | 25 | 32 | 40 | 2240 | 15929 |
| 2025 | 08 | 15 | 13 | 1550 | 588 | 1836 | 2131 | 1891 | 2644 | 2805 | 24 | 17 | 34 | 31 | 27 | 38 | 25 | 40 | 2231 | 15912 |
| 2025 | 08 | 15 | 12 | 1550 | 588 | 2271 | 1985 | 2133 | 2462 | 2447 | 27 | 27 | 22 | 33 | 17 | 25 | 31 | 45 | 2236 | 15899 |
| 2025 | 08 | 15 | 11 | 1549 | 588 | 2256 | 2182 | 1926 | 2923 | 2002 | 26 | 20 | 31 | 25 | 19 | 30 | 47 | 40 | 2209 | 15873 |
| 2025 | 08 | 15 | 10 | 1549 | 588 | 2052 | 1797 | 2609 | 2772 | 2046 | 29 | 16 | 27 | 27 | 25 | 40 | 29 | 39 | 2209 | 15854 |
| 2025 | 08 | 15 | 09 | 1552 | 588 | 2291 | 1681 | 2135 | 2450 | 2709 | 28 | 19 | 30 | 30 | 23 | 27 | 37 | 46 | 2191 | 15837 |
| 2025 | 08 | 15 | 08 | 1549 | 586 | 2389 | 1718 | 2206 | 2803 | 2145 | 16 | 22 | 21 | 38 | 26 | 29 | 47 | 45 | 2179 | 15819 |
| 2025 | 08 | 15 | 07 | 1550 | 588 | 2392 | 2051 | 1991 | 2343 | 2472 | 25 | 27 | 25 | 21 | 28 | 35 | 35 | 45 | 2167 | 15795 |
| 2025 | 08 | 15 | 06 | 1551 | 587 | 2326 | 2271 | 2225 | 1994 | 2418 | 29 | 30 | 28 | 18 | 26 | 32 | 39 | 37 | 2155 | 15766 |
| 2025 | 08 | 15 | 05 | 1550 | 588 | 1983 | 1782 | 2344 | 3031 | 2085 | 19 | 27 | 30 | 23 | 28 | 33 | 27 | 52 | 2140 | 15742 |
| 2025 | 08 | 15 | 04 | 1550 | 588 | 2067 | 1892 | 2061 | 2658 | 2524 | 19 | 21 | 37 | 34 | 19 | 32 | 34 | 44 | 2127 | 15707 |
| 2025 | 08 | 15 | 03 | 1551 | 588 | 2095 | 2416 | 2239 | 1834 | 2606 | 17 | 19 | 24 | 31 | 29 | 43 | 29 | 40 | 2120 | 15681 |
| 2025 | 08 | 15 | 02 | 1549 | 588 | 2489 | 1618 | 2092 | 1559 | 3402 | 19 | 22 | 21 | 30 | 33 | 35 | 39 | 35 | 2108 | 15639 |
| 2025 | 08 | 15 | 01 | 1548 | 588 | 1890 | 1665 | 3353 | 1908 | 2308 | 23 | 24 | 26 | 30 | 25 | 27 | 35 | 53 | 2062 | 15565 |
| 2025 | 08 | 15 | 00 | 1554 | 588 | 2060 | 1621 | 2385 | 3033 | 2272 | 23 | 28 | 34 | 30 | 23 | 33 | 36 | 35 | 2290 | 16045 |
| 2025 | 08 | 14 | 23 | 1554 | 588 | 1524 | 1865 | 2325 | 2698 | 2954 | 26 | 29 | 30 | 36 | 29 | 35 | 19 | 41 | 2283 | 16036 |
| 2025 | 08 | 14 | 22 | 1553 | 589 | 1833 | 1819 | 2698 | 2028 | 2977 | 28 | 30 | 27 | 29 | 22 | 30 | 29 | 46 | 2288 | 16026 |
| 2025 | 08 | 14 | 21 | 1555 | 590 | 1744 | 1924 | 2197 | 2291 | 3187 | 31 | 18 | 32 | 32 | 22 | 40 | 26 | 37 | 2287 | 16013 |
| 2025 | 08 | 14 | 20 | 1557 | 589 | 1850 | 1953 | 2240 | 2624 | 2666 | 32 | 30 | 28 | 31 | 25 | 33 | 22 | 41 | 2277 | 15998 |