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 |
| 2024 | 05 | 17 | 06 | 1231 | 445 | 2729 | 1958 | 1887 | 2299 | 2679 | 23 | 38 | 39 | 43 | 30 | 32 | 33 | 41 | 2090 | 15597 |
| 2024 | 05 | 17 | 05 | 1231 | 445 | 2529 | 1775 | 1868 | 2511 | 2851 | 30 | 23 | 44 | 26 | 42 | 31 | 26 | 52 | 2085 | 15569 |
| 2024 | 05 | 17 | 04 | 1233 | 445 | 2094 | 2091 | 2209 | 2375 | 2741 | 19 | 35 | 36 | 38 | 26 | 30 | 44 | 49 | 2068 | 15533 |
| 2024 | 05 | 17 | 03 | 1230 | 445 | 2348 | 1939 | 2963 | 2084 | 2159 | 24 | 32 | 35 | 42 | 30 | 28 | 39 | 46 | 2053 | 15497 |
| 2024 | 05 | 17 | 02 | 1229 | 444 | 2861 | 1798 | 1868 | 2541 | 2411 | 29 | 22 | 31 | 37 | 30 | 28 | 45 | 53 | 2033 | 15460 |
| 2024 | 05 | 17 | 01 | 1231 | 443 | 2433 | 1739 | 2979 | 1779 | 2501 | 22 | 31 | 38 | 35 | 30 | 29 | 46 | 43 | 2008 | 15387 |
| 2024 | 05 | 17 | 00 | 1240 | 448 | 2721 | 1880 | 1869 | 2640 | 2639 | 27 | 48 | 35 | 33 | 41 | 31 | 29 | 40 | 2197 | 15918 |
| 2024 | 05 | 16 | 23 | 1240 | 448 | 2176 | 1936 | 2768 | 2602 | 2262 | 42 | 29 | 34 | 41 | 30 | 34 | 34 | 38 | 2194 | 15908 |
| 2024 | 05 | 16 | 22 | 1239 | 448 | 1721 | 2086 | 2511 | 2734 | 2684 | 37 | 27 | 45 | 34 | 14 | 29 | 42 | 54 | 2194 | 15899 |
| 2024 | 05 | 16 | 21 | 1239 | 448 | 1690 | 1984 | 2414 | 2783 | 2860 | 23 | 37 | 23 | 40 | 29 | 39 | 35 | 53 | 2184 | 15881 |
| 2024 | 05 | 16 | 20 | 1237 | 448 | 2059 | 2021 | 2738 | 2566 | 2330 | 23 | 37 | 39 | 29 | 29 | 36 | 44 | 45 | 2184 | 15865 |
| 2024 | 05 | 16 | 19 | 1235 | 449 | 2208 | 2001 | 2435 | 2519 | 2535 | 25 | 27 | 36 | 39 | 25 | 42 | 32 | 57 | 2182 | 15847 |
| 2024 | 05 | 16 | 18 | 1235 | 448 | 2594 | 1890 | 2377 | 2346 | 2492 | 35 | 35 | 34 | 35 | 24 | 41 | 38 | 35 | 2182 | 15841 |
| 2024 | 05 | 16 | 17 | 1236 | 448 | 2670 | 1944 | 2418 | 2139 | 2516 | 41 | 24 | 39 | 36 | 40 | 32 | 37 | 31 | 2175 | 15826 |
| 2024 | 05 | 16 | 16 | 1236 | 449 | 2156 | 1686 | 2620 | 2496 | 2715 | 18 | 36 | 37 | 38 | 32 | 33 | 41 | 44 | 2170 | 15807 |
| 2024 | 05 | 16 | 15 | 1234 | 448 | 2332 | 1999 | 2223 | 2389 | 2717 | 33 | 28 | 39 | 30 | 25 | 40 | 39 | 47 | 2163 | 15786 |
| 2024 | 05 | 16 | 14 | 1233 | 448 | 2025 | 2046 | 2729 | 2363 | 2490 | 19 | 23 | 33 | 45 | 45 | 29 | 38 | 42 | 2161 | 15769 |
| 2024 | 05 | 16 | 13 | 1233 | 447 | 2061 | 2355 | 2054 | 2370 | 2793 | 18 | 38 | 33 | 39 | 33 | 38 | 26 | 50 | 2152 | 15740 |
| 2024 | 05 | 16 | 12 | 1232 | 447 | 2416 | 1966 | 2094 | 2890 | 2248 | 16 | 41 | 32 | 37 | 29 | 26 | 42 | 50 | 2144 | 15710 |
| 2024 | 05 | 16 | 11 | 1232 | 447 | 2670 | 1812 | 2683 | 1902 | 2530 | 27 | 27 | 31 | 43 | 33 | 33 | 41 | 41 | 2126 | 15678 |
| 2024 | 05 | 16 | 10 | 1233 | 447 | 1799 | 1960 | 2464 | 2831 | 2527 | 32 | 28 | 35 | 37 | 34 | 45 | 25 | 40 | 2125 | 15662 |
| 2024 | 05 | 16 | 09 | 1231 | 447 | 1966 | 1932 | 2326 | 1967 | 3383 | 29 | 30 | 28 | 28 | 31 | 36 | 44 | 48 | 2115 | 15641 |
| 2024 | 05 | 16 | 08 | 1232 | 447 | 1967 | 1891 | 2383 | 2110 | 3207 | 24 | 31 | 32 | 35 | 36 | 38 | 53 | 27 | 2111 | 15624 |
| 2024 | 05 | 16 | 07 | 1234 | 447 | 1850 | 1734 | 2565 | 2734 | 2662 | 26 | 28 | 29 | 54 | 32 | 39 | 30 | 36 | 2099 | 15599 |
| 2024 | 05 | 16 | 06 | 1234 | 447 | 2063 | 1909 | 2859 | 2160 | 2537 | 24 | 30 | 33 | 40 | 30 | 39 | 31 | 46 | 2084 | 15566 |
| 2024 | 05 | 16 | 05 | 1234 | 447 | 2126 | 2071 | 2263 | 3206 | 1846 | 24 | 28 | 29 | 37 | 31 | 42 | 38 | 44 | 2072 | 15538 |
| 2024 | 05 | 16 | 04 | 1233 | 446 | 1862 | 1832 | 2103 | 2393 | 3304 | 29 | 31 | 35 | 32 | 36 | 35 | 30 | 41 | 2060 | 15502 |
| 2024 | 05 | 16 | 03 | 1231 | 446 | 1995 | 1868 | 3318 | 2146 | 2139 | 31 | 22 | 50 | 21 | 39 | 28 | 44 | 34 | 2048 | 15460 |
| 2024 | 05 | 16 | 02 | 1230 | 446 | 2194 | 1493 | 2748 | 2254 | 2758 | 33 | 25 | 28 | 34 | 38 | 35 | 34 | 43 | 2022 | 15415 |
| 2024 | 05 | 16 | 01 | 1231 | 447 | 2102 | 2164 | 2167 | 2574 | 2395 | 27 | 42 | 31 | 30 | 28 | 31 | 34 | 46 | 1991 | 15340 |
| 2024 | 05 | 16 | 00 | 1237 | 450 | 1841 | 2118 | 2479 | 2617 | 2751 | 23 | 32 | 35 | 45 | 29 | 40 | 43 | 38 | 2198 | 15976 |
| 2024 | 05 | 15 | 23 | 1236 | 451 | 2499 | 1855 | 2953 | 2409 | 2084 | 31 | 40 | 36 | 38 | 32 | 36 | 28 | 43 | 2197 | 15968 |
| 2024 | 05 | 15 | 22 | 1235 | 450 | 2194 | 1808 | 2662 | 2582 | 2549 | 36 | 42 | 43 | 31 | 24 | 26 | 40 | 44 | 2193 | 15959 |
| 2024 | 05 | 15 | 21 | 1236 | 450 | 1992 | 2023 | 2393 | 2938 | 2445 | 28 | 29 | 30 | 37 | 30 | 42 | 45 | 42 | 2190 | 15950 |
| 2024 | 05 | 15 | 20 | 1238 | 449 | 2493 | 2078 | 2526 | 2285 | 2405 | 21 | 32 | 39 | 44 | 22 | 40 | 38 | 46 | 2188 | 15944 |
| 2024 | 05 | 15 | 19 | 1236 | 450 | 2314 | 2151 | 2253 | 2463 | 2604 | 37 | 36 | 36 | 32 | 28 | 34 | 37 | 41 | 2180 | 15932 |
| 2024 | 05 | 15 | 18 | 1235 | 450 | 2173 | 1930 | 2731 | 2645 | 2299 | 26 | 32 | 35 | 48 | 29 | 39 | 32 | 39 | 2179 | 15922 |
| 2024 | 05 | 15 | 17 | 1237 | 450 | 1868 | 2387 | 2031 | 2182 | 3300 | 38 | 27 | 25 | 37 | 29 | 43 | 37 | 43 | 2175 | 15909 |
| 2024 | 05 | 15 | 16 | 1236 | 450 | 2553 | 2035 | 2504 | 2270 | 2400 | 28 | 24 | 31 | 54 | 33 | 36 | 28 | 49 | 2168 | 15899 |
| 2024 | 05 | 15 | 15 | 1237 | 450 | 2229 | 2147 | 2291 | 2564 | 2524 | 30 | 31 | 46 | 28 | 35 | 35 | 27 | 49 | 2165 | 15888 |
| 2024 | 05 | 15 | 14 | 1234 | 450 | 1909 | 1887 | 3008 | 2671 | 2274 | 36 | 28 | 35 | 41 | 29 | 30 | 35 | 47 | 2154 | 15868 |
| 2024 | 05 | 15 | 13 | 1233 | 449 | 2012 | 1943 | 2284 | 2528 | 2966 | 37 | 29 | 30 | 34 | 45 | 33 | 33 | 41 | 2147 | 15844 |
| 2024 | 05 | 15 | 12 | 1233 | 449 | 2255 | 1903 | 2412 | 2446 | 2702 | 40 | 25 | 30 | 35 | 29 | 39 | 36 | 48 | 2139 | 15821 |
| 2024 | 05 | 15 | 11 | 1232 | 449 | 2254 | 2241 | 2572 | 2291 | 2349 | 31 | 41 | 33 | 33 | 25 | 33 | 45 | 38 | 2135 | 15802 |
| 2024 | 05 | 15 | 10 | 1232 | 449 | 1733 | 2067 | 2790 | 2173 | 2927 | 32 | 32 | 37 | 30 | 36 | 34 | 39 | 39 | 2137 | 15787 |
| 2024 | 05 | 15 | 09 | 1234 | 449 | 2718 | 2020 | 2308 | 2602 | 2037 | 27 | 37 | 36 | 44 | 21 | 28 | 38 | 46 | 2128 | 15773 |
| 2024 | 05 | 15 | 08 | 1234 | 449 | 2059 | 2383 | 2347 | 1949 | 2939 | 20 | 43 | 29 | 38 | 29 | 41 | 36 | 45 | 2120 | 15761 |
| 2024 | 05 | 15 | 07 | 1231 | 449 | 2385 | 1863 | 2385 | 2400 | 2640 | 26 | 31 | 35 | 35 | 35 | 29 | 39 | 49 | 2110 | 15742 |