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 | 05 | 13 | 08 | 1629 | 653 | 2209 | 1818 | 1980 | 2314 | 2761 | 29 | 31 | 25 | 33 | 26 | 27 | 33 | 42 | 2323 | 15933 |
| 2026 | 05 | 13 | 07 | 1628 | 654 | 1577 | 1932 | 1939 | 2231 | 3389 | 29 | 31 | 25 | 33 | 26 | 27 | 33 | 42 | 2324 | 15920 |
| 2026 | 05 | 13 | 06 | 1632 | 656 | 2473 | 1705 | 2658 | 2389 | 1802 | 27 | 36 | 26 | 26 | 35 | 27 | 37 | 40 | 2325 | 15894 |
| 2026 | 05 | 13 | 05 | 1629 | 655 | 1860 | 1966 | 2032 | 2251 | 2904 | 26 | 28 | 33 | 29 | 32 | 23 | 40 | 40 | 2316 | 15864 |
| 2026 | 05 | 13 | 04 | 1630 | 657 | 2582 | 1637 | 2124 | 2627 | 2035 | 24 | 28 | 33 | 24 | 28 | 33 | 33 | 46 | 2295 | 15836 |
| 2026 | 05 | 13 | 03 | 1628 | 657 | 2065 | 1771 | 1953 | 2585 | 2613 | 32 | 33 | 36 | 32 | 29 | 27 | 23 | 40 | 2274 | 15798 |
| 2026 | 05 | 13 | 02 | 1630 | 657 | 1434 | 2168 | 2255 | 1969 | 3137 | 22 | 28 | 33 | 36 | 34 | 26 | 26 | 42 | 2274 | 15771 |
| 2026 | 05 | 13 | 01 | 1627 | 657 | 1676 | 1759 | 2403 | 2419 | 2683 | 15 | 19 | 30 | 36 | 25 | 37 | 27 | 55 | 2234 | 15702 |
| 2026 | 05 | 13 | 00 | 1632 | 662 | 1781 | 1476 | 2652 | 2101 | 3163 | 32 | 20 | 28 | 32 | 35 | 31 | 29 | 51 | 2460 | 16185 |
| 2026 | 05 | 12 | 23 | 1633 | 662 | 2533 | 1734 | 3041 | 1898 | 1960 | 26 | 24 | 28 | 34 | 33 | 25 | 35 | 47 | 2465 | 16178 |
| 2026 | 05 | 12 | 22 | 1632 | 659 | 2281 | 2015 | 2024 | 2432 | 2409 | 28 | 30 | 32 | 35 | 28 | 29 | 24 | 44 | 2468 | 16170 |
| 2026 | 05 | 12 | 21 | 1630 | 660 | 2068 | 1563 | 2152 | 2912 | 2463 | 28 | 24 | 34 | 37 | 34 | 34 | 38 | 36 | 2447 | 16160 |
| 2026 | 05 | 12 | 20 | 1630 | 661 | 2248 | 1518 | 2358 | 1974 | 3046 | 32 | 22 | 33 | 33 | 32 | 34 | 23 | 49 | 2456 | 16149 |
| 2026 | 05 | 12 | 19 | 1629 | 661 | 1978 | 1377 | 2743 | 2720 | 2324 | 29 | 32 | 41 | 26 | 29 | 36 | 27 | 43 | 2445 | 16140 |
| 2026 | 05 | 12 | 18 | 1632 | 661 | 1847 | 1617 | 2227 | 3255 | 2188 | 24 | 21 | 41 | 26 | 35 | 32 | 31 | 52 | 2442 | 16131 |
| 2026 | 05 | 12 | 17 | 1628 | 661 | 2148 | 1532 | 2358 | 2601 | 2491 | 26 | 21 | 33 | 37 | 30 | 34 | 30 | 47 | 2442 | 16119 |
| 2026 | 05 | 12 | 16 | 1627 | 661 | 2434 | 1264 | 2071 | 2643 | 2704 | 11 | 30 | 30 | 42 | 32 | 30 | 27 | 50 | 2449 | 16105 |
| 2026 | 05 | 12 | 15 | 1626 | 660 | 2349 | 1412 | 2595 | 2694 | 2060 | 23 | 26 | 32 | 34 | 31 | 40 | 20 | 52 | 2430 | 16084 |
| 2026 | 05 | 12 | 14 | 1630 | 659 | 2303 | 1752 | 2359 | 2035 | 2652 | 23 | 24 | 27 | 34 | 34 | 32 | 21 | 51 | 2436 | 16072 |
| 2026 | 05 | 12 | 13 | 1631 | 657 | 2275 | 1906 | 1646 | 2309 | 2952 | 18 | 25 | 31 | 46 | 36 | 31 | 29 | 46 | 2418 | 16056 |
| 2026 | 05 | 12 | 12 | 1631 | 657 | 1895 | 1721 | 2054 | 2642 | 2766 | 18 | 26 | 23 | 35 | 36 | 37 | 36 | 42 | 2417 | 16036 |
| 2026 | 05 | 12 | 11 | 1627 | 658 | 2121 | 1812 | 2445 | 2091 | 2603 | 25 | 28 | 23 | 38 | 33 | 34 | 39 | 35 | 2404 | 16016 |
| 2026 | 05 | 12 | 10 | 1629 | 658 | 2077 | 1711 | 2493 | 2729 | 2054 | 27 | 22 | 29 | 32 | 35 | 37 | 39 | 37 | 2390 | 15999 |
| 2026 | 05 | 12 | 09 | 1627 | 658 | 1861 | 2037 | 2010 | 2706 | 2449 | 19 | 33 | 31 | 40 | 23 | 39 | 32 | 40 | 2381 | 15986 |
| 2026 | 05 | 12 | 08 | 1625 | 657 | 2131 | 1644 | 2193 | 2840 | 2248 | 24 | 33 | 26 | 42 | 22 | 34 | 34 | 39 | 2380 | 15972 |
| 2026 | 05 | 12 | 07 | 1623 | 656 | 2344 | 2057 | 1560 | 2027 | 3062 | 24 | 31 | 27 | 30 | 33 | 31 | 36 | 43 | 2366 | 15950 |
| 2026 | 05 | 12 | 06 | 1627 | 656 | 2013 | 1572 | 2008 | 3133 | 2310 | 25 | 32 | 31 | 22 | 35 | 35 | 23 | 45 | 2354 | 15921 |
| 2026 | 05 | 12 | 05 | 1629 | 655 | 2433 | 1578 | 2713 | 2155 | 2143 | 22 | 25 | 33 | 39 | 31 | 25 | 35 | 42 | 2333 | 15891 |
| 2026 | 05 | 12 | 04 | 1628 | 655 | 2070 | 1775 | 2291 | 2164 | 2706 | 25 | 32 | 28 | 30 | 37 | 24 | 24 | 46 | 2323 | 15858 |
| 2026 | 05 | 12 | 03 | 1630 | 656 | 1428 | 2131 | 2274 | 2090 | 3075 | 22 | 25 | 38 | 35 | 34 | 29 | 32 | 41 | 2291 | 15831 |
| 2026 | 05 | 12 | 02 | 1628 | 656 | 2129 | 1887 | 1949 | 2313 | 2702 | 20 | 22 | 28 | 24 | 33 | 26 | 37 | 59 | 2287 | 15800 |
| 2026 | 05 | 12 | 01 | 1628 | 656 | 1644 | 1478 | 2179 | 2878 | 2775 | 22 | 29 | 30 | 32 | 31 | 28 | 39 | 47 | 2241 | 15737 |
| 2026 | 05 | 12 | 00 | 1627 | 660 | 2308 | 1635 | 1999 | 2508 | 2698 | 26 | 25 | 31 | 39 | 27 | 25 | 39 | 47 | 2458 | 16152 |
| 2026 | 05 | 11 | 23 | 1628 | 660 | 1442 | 2025 | 2489 | 2705 | 2481 | 19 | 30 | 34 | 31 | 33 | 31 | 41 | 42 | 2452 | 16143 |
| 2026 | 05 | 11 | 22 | 1630 | 660 | 2027 | 1837 | 2451 | 2037 | 2782 | 19 | 23 | 33 | 27 | 28 | 30 | 42 | 50 | 2461 | 16137 |
| 2026 | 05 | 11 | 21 | 1631 | 659 | 2356 | 1717 | 2253 | 2363 | 2443 | 23 | 34 | 26 | 34 | 25 | 19 | 42 | 58 | 2442 | 16125 |
| 2026 | 05 | 11 | 20 | 1628 | 659 | 1932 | 1966 | 2009 | 1957 | 3261 | 23 | 37 | 31 | 28 | 23 | 30 | 33 | 45 | 2452 | 16114 |
| 2026 | 05 | 11 | 19 | 1631 | 660 | 1670 | 2007 | 2218 | 2511 | 2710 | 24 | 31 | 37 | 37 | 27 | 35 | 29 | 43 | 2436 | 16106 |
| 2026 | 05 | 11 | 18 | 1631 | 660 | 1944 | 2036 | 2118 | 2442 | 2573 | 22 | 26 | 30 | 35 | 31 | 28 | 30 | 47 | 2443 | 16096 |
| 2026 | 05 | 11 | 17 | 1628 | 660 | 2070 | 1821 | 2233 | 2706 | 2279 | 23 | 27 | 39 | 28 | 23 | 25 | 40 | 51 | 2432 | 16085 |
| 2026 | 05 | 11 | 16 | 1630 | 660 | 2147 | 1768 | 2564 | 1863 | 2761 | 23 | 32 | 32 | 33 | 29 | 28 | 36 | 40 | 2429 | 16075 |
| 2026 | 05 | 11 | 15 | 1631 | 660 | 2307 | 1705 | 2771 | 1975 | 2339 | 26 | 22 | 27 | 26 | 39 | 30 | 35 | 44 | 2427 | 16064 |
| 2026 | 05 | 11 | 14 | 1634 | 659 | 2124 | 1858 | 2118 | 2707 | 2275 | 33 | 32 | 25 | 31 | 34 | 27 | 29 | 49 | 2413 | 16048 |
| 2026 | 05 | 11 | 13 | 1628 | 659 | 2686 | 1366 | 2225 | 2237 | 2567 | 31 | 27 | 28 | 26 | 30 | 27 | 38 | 48 | 2402 | 16025 |
| 2026 | 05 | 11 | 12 | 1629 | 659 | 2533 | 1850 | 2219 | 2662 | 1802 | 19 | 21 | 29 | 38 | 21 | 33 | 38 | 52 | 2404 | 16009 |
| 2026 | 05 | 11 | 11 | 1629 | 658 | 2007 | 1663 | 2020 | 3045 | 2322 | 25 | 29 | 38 | 32 | 29 | 28 | 31 | 48 | 2383 | 15987 |
| 2026 | 05 | 11 | 10 | 1628 | 657 | 1874 | 1889 | 2405 | 2642 | 2242 | 19 | 23 | 32 | 38 | 35 | 26 | 33 | 39 | 2377 | 15959 |
| 2026 | 05 | 11 | 09 | 1629 | 657 | 2507 | 2022 | 2186 | 1911 | 2420 | 25 | 22 | 29 | 34 | 24 | 40 | 41 | 39 | 2357 | 15943 |