1990 OBSERVED DAILY SOLAR FLUX 1990 Ottawa 2800 MHz Series C (Multiplied by Ten) 1700 UT =============================================================================== Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ------------------------------------------------------------------------------- 1 2165 2068 2036 1594 1270 1367 2402 1932 1683 1602 1438* 1775 2 2157 1830 1961 1534 1272 1373 2589 2026 1660 1626 1407 1831 3 1991 1625 1794* 1517 1232 1420 2456 1869 1598 1773* 1526 1931 4 1956* 1592 1717 1485* 1215 1439 2306* 1858 1556* 1867 1573 2052 5 1935 1552 1644 1563 1284 1493 2241 1758 1550 1700 1727 2132* 6 1870 1517 1664* 1499 1483 1568 2146 1698 1552 1701 1999 2277 7 1832 1483 1707 1547 1527 1782 2087 1674 1626 1695 2182 2288 8 1768 1461 1594* 1519 1675 1898 1834 1798 1611 1762* 2158 2304 9 1660 1458 1530* 1463 1713 1979* 1654 1783 1680 1844 2051 2374 10 1729 1525 1511 1487 1917 2013* 1587 1813 1688 1953 1949 2407 11 1752 1385 1443 1601 2013* 2107 1551 1822 1782 2058 1989 2408 12 1757 1437 1479 1691 2109 2151* 1557 1833 1909 2015 1949 2352 13 1726 1465 1480 1944* 2211 2025 1563 1875 1956 2104 1853 2265 14 1715 1533 1515* 2144 2194* 2004 1504 1834* 2070* 2218 2023 2015 15 1911 1525 1660* 2214 2413 1902 1443 1946 2050 2329 2119 1994 16 1938 1524 1799 2246* 2460 1840 1418 2059 2030 2260 2120 1922 17 1930 1552 1838 2349* 2434 1816 1429 2228 2086 1950 2221 1987 18 2244 1648 1982 2409 2656 1641 1401 2402 2056 1997 2035 2082 19 2407 1844 2182 2420* 2735 1583 1407 2617* 2119 2160* 1958 1975 20 2460 1938 2257* 2547 2661 1561 1491 2820 2023 2034 1914 1876 21 2590* 2166 2293 2372 2530 1509 1542 2915 2016 1904 1820 1919 22 2412 2204 2447* 2304 2439 1406 1608* 3156* 1939 1695 1819 1841 23 2411 2211 2469 2237 2335 1346 1748 3157 1842 1657 1761 1919 24 2474 2362 2326 2149 2039 1392 1808 3221 1776 1593 1716 1912 25 2420 2299 2250* 1958 1843 1445 2071 2975 1661 1637 1666 1912 26 2463 2175 2279 1865* 1815 1496 2035 2792* 1588 1554 1573 1945 27 2394 2284 2160 1676 1603 1678* 1912 2638 1520 1645 1592 1984 28 2372 2262 2067 1506 1551 1817 1873 2453 1515 1529 1717 1990 29 2347 1847 1389 1410 2039 1750 2208 1497 1581 1678 2022 30 2178 1869E 1348 1386* 2192 1827 2064 1574 1532* 1744 1961 31 2156 1731 1386* 1780 1796* 1438 1868 ------------------------------------------------------------------------------- Mean 2101 1783 1888 1853 1897 1709 1807 2226 1774 1820 1843 2049 ------------------------------------------------------------------------------- * = corrected for burst in progress 1990 Yearly Mean =1898 E = corrected for snow on antenna