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 | 2nd | CWOP-1 | CWOP-2 | CWOP-3 | CWOP-4 | CWOP-5 | CWOP-6 | CWOP-7 | 5th | FIRST | 4th | 6th | 7th | 8th | 3rd | other | Total |
| 2018 | 11 | 18 | 09 | 0 | 891 | 966 | 2157 | 2813 | 1691 | 967 | 2136 | 66 | 7 | 42 | 2 | 0 | 0 | 62 | 2027 | 13827 |
| 2018 | 11 | 18 | 08 | 0 | 884 | 976 | 1990 | 2381 | 1250 | 1023 | 3101 | 55 | 5 | 49 | 2 | 0 | 0 | 70 | 2012 | 13798 |
| 2018 | 11 | 18 | 07 | 0 | 845 | 1031 | 1927 | 1553 | 1868 | 987 | 3374 | 66 | 6 | 37 | 2 | 0 | 0 | 66 | 1996 | 13758 |
| 2018 | 11 | 18 | 06 | 0 | 835 | 980 | 1999 | 3030 | 1976 | 964 | 1789 | 56 | 7 | 52 | 2 | 0 | 0 | 69 | 1977 | 13736 |
| 2018 | 11 | 18 | 05 | 0 | 889 | 963 | 2700 | 2201 | 1366 | 1021 | 2405 | 70 | 6 | 35 | 2 | 0 | 0 | 70 | 1976 | 13704 |
| 2018 | 11 | 18 | 04 | 0 | 848 | 948 | 2177 | 2196 | 1358 | 990 | 3012 | 71 | 7 | 41 | 2 | 0 | 0 | 58 | 1972 | 13680 |
| 2018 | 11 | 18 | 03 | 0 | 815 | 964 | 2047 | 2781 | 1697 | 1006 | 2194 | 52 | 8 | 36 | 1 | 0 | 0 | 72 | 1971 | 13644 |
| 2018 | 11 | 18 | 02 | 0 | 851 | 956 | 2643 | 2745 | 1333 | 973 | 1978 | 48 | 7 | 44 | 1 | 0 | 0 | 71 | 1950 | 13600 |
| 2018 | 11 | 18 | 01 | 0 | 806 | 1008 | 1826 | 2318 | 1901 | 970 | 2586 | 73 | 8 | 34 | 1 | 0 | 0 | 70 | 1918 | 13519 |
| 2018 | 11 | 18 | 00 | 0 | 869 | 1049 | 2135 | 2272 | 2312 | 1018 | 2142 | 84 | 7 | 40 | 1 | 0 | 0 | 49 | 2129 | 14107 |
| 2018 | 11 | 17 | 23 | 0 | 900 | 993 | 2544 | 2610 | 1354 | 1010 | 2377 | 81 | 8 | 36 | 1 | 0 | 0 | 66 | 2113 | 14093 |
| 2018 | 11 | 17 | 22 | 0 | 907 | 973 | 2386 | 1956 | 1631 | 1007 | 2920 | 59 | 8 | 45 | 1 | 0 | 0 | 82 | 2105 | 14080 |
| 2018 | 11 | 17 | 21 | 0 | 848 | 1049 | 2079 | 1934 | 1742 | 1039 | 3072 | 66 | 7 | 48 | 1 | 0 | 0 | 79 | 2102 | 14066 |
| 2018 | 11 | 17 | 20 | 0 | 843 | 960 | 2270 | 2068 | 1379 | 1035 | 3203 | 68 | 6 | 31 | 1 | 0 | 0 | 86 | 2101 | 14051 |
| 2018 | 11 | 17 | 19 | 0 | 886 | 955 | 2230 | 2053 | 2284 | 1039 | 2304 | 52 | 8 | 39 | 1 | 0 | 0 | 70 | 2120 | 14041 |
| 2018 | 11 | 17 | 18 | 0 | 834 | 990 | 2432 | 2868 | 1598 | 1004 | 2018 | 45 | 6 | 55 | 1 | 0 | 0 | 77 | 2105 | 14033 |
| 2018 | 11 | 17 | 17 | 0 | 911 | 954 | 1440 | 1898 | 2502 | 980 | 3047 | 78 | 7 | 60 | 1 | 0 | 0 | 62 | 2074 | 14014 |
| 2018 | 11 | 17 | 16 | 0 | 887 | 1003 | 1607 | 2458 | 2193 | 1002 | 2564 | 57 | 8 | 48 | 1 | 0 | 0 | 59 | 2100 | 13987 |
| 2018 | 11 | 17 | 15 | 0 | 847 | 1014 | 1554 | 3233 | 2172 | 1006 | 1877 | 82 | 7 | 49 | 1 | 0 | 0 | 61 | 2066 | 13969 |
| 2018 | 11 | 17 | 14 | 0 | 894 | 1021 | 1813 | 2508 | 1828 | 1001 | 2622 | 70 | 8 | 51 | 1 | 0 | 0 | 73 | 2053 | 13943 |
| 2018 | 11 | 17 | 13 | 0 | 845 | 918 | 1795 | 1919 | 2070 | 1048 | 3073 | 57 | 8 | 52 | 1 | 0 | 0 | 74 | 2051 | 13911 |
| 2018 | 11 | 17 | 12 | 0 | 876 | 969 | 2014 | 2548 | 2258 | 1038 | 1959 | 63 | 7 | 45 | 1 | 0 | 0 | 59 | 2053 | 13890 |
| 2018 | 11 | 17 | 11 | 0 | 903 | 969 | 2542 | 2524 | 1823 | 972 | 1909 | 71 | 6 | 49 | 1 | 0 | 0 | 63 | 2030 | 13862 |
| 2018 | 11 | 17 | 10 | 0 | 876 | 928 | 2138 | 1733 | 1689 | 1043 | 3215 | 65 | 8 | 62 | 1 | 0 | 0 | 63 | 2016 | 13837 |
| 2018 | 11 | 17 | 09 | 0 | 924 | 916 | 2086 | 2749 | 1516 | 955 | 2467 | 70 | 5 | 35 | 1 | 0 | 0 | 98 | 1994 | 13816 |
| 2018 | 11 | 17 | 08 | 0 | 880 | 944 | 2186 | 2785 | 1655 | 1025 | 2116 | 66 | 6 | 41 | 1 | 0 | 0 | 58 | 2025 | 13788 |
| 2018 | 11 | 17 | 07 | 0 | 903 | 942 | 1589 | 2400 | 2525 | 970 | 2242 | 48 | 3 | 42 | 1 | 0 | 0 | 66 | 2028 | 13759 |
| 2018 | 11 | 17 | 06 | 0 | 873 | 1004 | 1736 | 2626 | 1815 | 942 | 2564 | 63 | 7 | 36 | 1 | 0 | 0 | 58 | 2011 | 13736 |
| 2018 | 11 | 17 | 05 | 0 | 778 | 996 | 2127 | 2242 | 1708 | 967 | 2717 | 75 | 7 | 49 | 1 | 0 | 0 | 60 | 1973 | 13700 |
| 2018 | 11 | 17 | 04 | 0 | 869 | 976 | 2161 | 1693 | 1992 | 981 | 2843 | 66 | 6 | 34 | 1 | 0 | 0 | 65 | 1984 | 13671 |
| 2018 | 11 | 17 | 03 | 0 | 836 | 999 | 1886 | 2356 | 1879 | 930 | 2604 | 72 | 7 | 48 | 1 | 0 | 0 | 54 | 1960 | 13632 |
| 2018 | 11 | 17 | 02 | 0 | 889 | 925 | 2156 | 1780 | 1420 | 988 | 3298 | 69 | 6 | 33 | 1 | 0 | 0 | 74 | 1948 | 13587 |
| 2018 | 11 | 17 | 01 | 0 | 828 | 970 | 2082 | 1595 | 2268 | 999 | 2648 | 56 | 6 | 54 | 1 | 0 | 0 | 63 | 1928 | 13498 |
| 2018 | 11 | 17 | 00 | 0 | 858 | 1019 | 1774 | 2774 | 2061 | 1042 | 2263 | 79 | 7 | 39 | 1 | 0 | 0 | 62 | 2098 | 14077 |
| 2018 | 11 | 16 | 23 | 0 | 872 | 1042 | 2219 | 3209 | 1570 | 1040 | 1838 | 50 | 6 | 46 | 1 | 0 | 0 | 75 | 2100 | 14068 |
| 2018 | 11 | 16 | 22 | 0 | 927 | 995 | 1910 | 2683 | 1636 | 991 | 2631 | 70 | 6 | 44 | 1 | 0 | 0 | 69 | 2085 | 14048 |
| 2018 | 11 | 16 | 21 | 0 | 878 | 991 | 2036 | 2450 | 1633 | 993 | 2779 | 60 | 7 | 47 | 1 | 0 | 0 | 65 | 2087 | 14027 |
| 2018 | 11 | 16 | 20 | 0 | 872 | 984 | 2538 | 1932 | 1803 | 1002 | 2622 | 62 | 7 | 38 | 1 | 0 | 0 | 60 | 2094 | 14015 |
| 2018 | 11 | 16 | 19 | 0 | 904 | 986 | 1658 | 2318 | 2408 | 985 | 2482 | 73 | 7 | 55 | 1 | 0 | 0 | 73 | 2051 | 14001 |
| 2018 | 11 | 16 | 18 | 0 | 904 | 1007 | 2076 | 2171 | 2252 | 1008 | 2306 | 72 | 4 | 47 | 1 | 0 | 0 | 80 | 2048 | 13976 |
| 2018 | 11 | 16 | 17 | 0 | 871 | 969 | 2027 | 2082 | 2064 | 1039 | 2658 | 63 | 5 | 53 | 1 | 0 | 0 | 66 | 2059 | 13957 |
| 2018 | 11 | 16 | 16 | 0 | 853 | 957 | 2004 | 2512 | 2327 | 1032 | 2001 | 79 | 8 | 45 | 1 | 0 | 0 | 78 | 2037 | 13934 |
| 2018 | 11 | 16 | 15 | 0 | 896 | 995 | 1982 | 2915 | 1793 | 959 | 2128 | 80 | 4 | 34 | 1 | 0 | 0 | 76 | 2044 | 13907 |
| 2018 | 11 | 16 | 14 | 0 | 871 | 973 | 1906 | 2428 | 1607 | 992 | 2865 | 65 | 5 | 47 | 1 | 0 | 0 | 68 | 2050 | 13878 |
| 2018 | 11 | 16 | 13 | 0 | 858 | 1018 | 2034 | 2460 | 1686 | 964 | 2600 | 80 | 6 | 40 | 1 | 0 | 0 | 71 | 2028 | 13846 |
| 2018 | 11 | 16 | 12 | 0 | 860 | 1020 | 1948 | 2947 | 1604 | 988 | 2247 | 77 | 6 | 42 | 1 | 0 | 0 | 64 | 2026 | 13830 |
| 2018 | 11 | 16 | 11 | 0 | 901 | 991 | 2601 | 2327 | 1725 | 988 | 2059 | 83 | 8 | 51 | 1 | 0 | 0 | 65 | 2002 | 13802 |
| 2018 | 11 | 16 | 10 | 0 | 893 | 973 | 2079 | 2378 | 1965 | 951 | 2339 | 61 | 6 | 47 | 1 | 0 | 0 | 76 | 2013 | 13782 |