1980 OBSERVED DAILY SOLAR FLUX 1980 Ottawa 2800 MHz Series C (Multiplied by Ten) 1700 UT =============================================================================== Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ------------------------------------------------------------------------------- 1 1956 2189* 1789 1821 2151 1858 1547* 1281 2094* 1708 2297 2294 2 2067 2244 1759 1813* 2195 1788 1498 1280 2205* 1677* 2380 2194 3 2191* 2324 1731* 1761 2175 1738 1428 1293 2282 1739 2455 2038 4 2197* 2384 1755* 1841* 2194* 1764 1419 1272 2213 1752 2542* 2054 5 2148 2252 1746 2095* 2180 1732 1475* 1289 2122* 1826 2679* 1920 6 2297 2281 1720 2379* 1999 1674 1452 1392* 2076 1855* 2789* 1761 7 2358 2301* 1688 2356* 1996 1609* 1475 1384A 2099 1989* 2777 1819 8 2359* 2248 1672 2410 1965* 1674* 1478 1424 1979 2125* 2714* 1745 9 2491* 2140* 1636 2440* 1900 1691* 1501 1522B 1871 2241* 2603* 1805 10 2616* 2101* 1559 2480 1874 1708 1570* 1689 1861 2334 2624* 1861 11 2644* 2194 1497 2487 1876* 1774 1676 1793 1857 2417 2612* 2100* 12 2535* 2194 1403 2444 1856 1836* 1723 1846 1766 2488* 2382* 2482* 13 2292 2235 1464 2314 1889 1807 1905 1884* 1697 2546* 2317 2520 14 2108 2062 1428 2250 1985 1829* 2030 1868* 1613 2524 2235* 2613 15 2068 2064* 1408 2047* 1955 1806 2114 1870 1521 2384 2098* 2747 16 1948 2051 1387 1911 1983* 1873 2279* 1909 1579 2164 1954 2820 17 1931 1873* 1443 1904 2028* 1913 2422* 1929* 1564 2025 1859* 2632 18 1834 1842* 1487 1996 2093* 2010 2418* 1993* 1530 2022 1790 2635 19 1698 1815 1636 2126* 2287 2128* 2470* 1967 1587* 2049 1766 2464 20 1617 1786 1634 2137 2390* 2206* 2498 1885 1662 2023 1656 2437* 21 1585 1734 1635 2056 2464 2207 2461 1897 1583 2061 1658 2322 22 1633* 1711 1636 1970 2699 2420* 2410 1743* 1774 2074* 1758 2388 23 1720 1635 1734* 1842 2822 2435 2278 1704 1874* 1981 1715 2337 24 1766* 1606* 1734 1841 2828 2380* 2153 1608* 1902 1946 1796* 2312 25 1768* 1691 1834* 1837 2854 2312* 2000 1505* 1829 1851 1811* 2282 26 1845* 1724 1859 1842 2767 2189 1913 1514 1834 1825* 1947 2276 27 1965* 1766 1961* 1978* 2738* 2056 1827 1560 1825* 1795 1904 2778 28 2000 1750* 2041 2009 2734* 1931* 1644 1650 1845 1805* 1967 2394* 29 2031 1799* 2005 2005* 2454 1826 1506 1750 1777* 1890 2118* 2246 30 2040 1947* 1979 2166 1774 1390 1878* 1736 2047 2225 2171 31 2203* 1876* 1951 1325 1950* 2147 2058 ------------------------------------------------------------------------------- Mean 2062 2000 1681 2079 2240 1932 1848 1662 1839 2042 2181 2258 ------------------------------------------------------------------------------- * = corrected for burst in progress 1980 Yearly Mean =1985 A = interpolated B = extrapolated