  TABLE 3 ESTIMATES OF 13-MONTH SMOOTH SOLAR ACTIVITY FOR
  BALANCE OF CYCLE 25 WITH A MEAN CYCLE GIVEN FOR CYCLE 26

    TIME         10.7 CM SOLAR FLUX   (F10.7)      GEOMAGNETIC INDEX   (Ap)
                         PERCENTILE                    PERCENTILE
                  95.0%       50%      5.0%     95.0%       50%      5.0% 

 2024.6670   SEP   196.7     192.5     188.5      13.2      12.7      12.0
 2024.7503   OCT   198.5     191.6     183.6      13.5      12.8      11.7
 2024.8337   NOV   202.3     190.8     180.3      14.1      13.0      11.7
 2024.9170   DEC   205.0     189.9     177.2      14.5      13.0      11.6
 2025.0003   JAN   204.0     188.6     174.0      15.1      13.1      11.4
 2025.0837   FEB   200.7     186.5     170.5      15.8      13.2      10.8
 2025.1670   MAR   199.7     183.7     166.2      17.2      13.6      10.7
 2025.2503   APR   200.6     181.0     160.4      18.3      13.9      10.6
 2025.3337   MAY   200.8     178.8     156.4      19.1      14.0      10.6
 2025.4170   JUN   199.8     176.6     153.0      19.8      14.2      10.5
 2025.5003   JUL   198.4     173.7     148.4      20.4      14.3      10.2
 2025.5837   AUG   197.3     170.5     145.7      21.3      14.4      10.2
 2025.6670   SEP   194.6     166.8     142.5      22.0      14.7       9.9
 2025.7503   OCT   191.7     163.2     138.9      22.5      15.0       9.6
 2025.8337   NOV   190.1     160.2     136.4      22.6      15.2       9.7
 2025.9170   DEC   188.3     157.4     134.3      22.1      15.3      10.0
 2026.0003   JAN   186.0     154.3     131.0      21.1      15.4      10.0
 2026.0837   FEB   182.5     151.4     127.7      21.0      15.4       9.9
 2026.1670   MAR   178.3     149.2     125.9      21.1      15.4      10.4
 2026.2503   APR   174.3     147.1     124.3      21.4      15.5      10.9
 2026.3337   MAY   171.9     144.8     122.5      21.9      15.7      11.1
 2026.4170   JUN   169.9     142.3     120.4      22.1      15.9      11.0
 2026.5003   JUL   165.7     139.1     118.1      21.5      15.9      11.1
 2026.5837   AUG   159.8     135.8     116.2      20.7      15.9      11.7
 2026.6670   SEP   155.2     133.2     114.8      21.2      15.8      12.1
 2026.7503   OCT   153.9     130.6     112.4      21.7      15.7      12.4
 2026.8337   NOV   152.7     128.0     109.3      21.7      15.7      12.3
 2026.9170   DEC   150.7     125.7     107.0      21.6      15.8      12.1
 2027.0003   JAN   147.4     123.6     105.8      21.9      15.9      12.0
 2027.0837   FEB   143.4     121.0     103.9      21.6      15.8      11.8
 2027.1670   MAR   140.4     118.3     101.3      21.5      15.6      11.3
 2027.2503   APR   139.1     115.9      98.6      21.8      15.3      11.0
 2027.3337   MAY   137.9     113.6      95.0      22.0      15.0      10.6
 2027.4170   JUN   136.4     111.0      92.1      22.5      14.8       9.7
 2027.5003   JUL   135.0     108.7      89.6      23.1      14.5       8.8
 2027.5837   AUG   133.4     106.9      87.6      23.6      14.2       8.7
 2027.6670   SEP   132.7     105.4      86.3      24.0      14.1       8.5
 2027.7503   OCT   131.4     104.0      85.6      24.3      14.1       8.5
 2027.8337   NOV   129.5     103.2      85.4      24.2      14.0       8.7
 2027.9170   DEC   127.5     102.1      84.9      23.8      13.9       9.1
 2028.0003   JAN   125.6     100.6      83.7      23.0      13.8       9.4
 2028.0837   FEB   124.3      98.9      82.4      22.2      13.7       9.4
 2028.1670   MAR   122.5      97.2      81.1      21.9      13.8       8.8
 2028.2503   APR   119.3      95.5      80.3      21.6      13.9       8.1
 2028.3337   MAY   116.1      93.9      79.8      21.3      14.1       7.5
 2028.4170   JUN   113.5      92.6      79.5      21.0      14.2       7.4
 2028.5003   JUL   110.9      91.6      79.0      20.4      14.2       7.7
 2028.5837   AUG   108.9      90.4      78.5      19.9      14.1       8.1
 2028.6670   SEP   107.0      88.8      78.1      20.1      14.0       8.5
 2028.7503   OCT   104.6      87.2      77.1      20.2      13.8       8.4
 2028.8337   NOV   102.2      86.0      76.2      19.9      13.6       8.5
 2028.9170   DEC   100.4      84.9      75.9      19.5      13.5       8.4
 2029.0003   JAN    98.9      83.8      75.2      18.9      13.6       8.4
 2029.0837   FEB    97.3      82.9      74.7      18.2      13.6       8.2
 2029.1670   MAR    95.4      82.2      74.5      17.3      13.5       7.8
 2029.2503   APR    93.9      81.5      74.1      17.4      13.2       7.3
 2029.3337   MAY    92.9      80.8      73.9      17.5      13.0       7.1
 2029.4170   JUN    91.8      80.1      73.7      17.6      12.9       7.0
 2029.5003   JUL    90.7      79.4      73.5      17.6      12.8       6.8
 2029.5837   AUG    89.7      78.8      73.1      17.7      12.7       6.9
 2029.6670   SEP    88.3      78.2      72.7      17.9      12.6       6.7
 2029.7503   OCT    86.8      77.7      72.3      17.9      12.5       6.5
 2029.8337   NOV    84.7      77.2      72.1      17.6      12.3       6.5
 2029.9170   DEC    83.0      76.4      71.9      17.3      12.0       6.3
 2030.0003   JAN    81.5      75.5      71.3      16.3      11.6       6.2
 2030.0837   FEB    80.4      74.7      70.7      14.8      11.2       6.1
 2030.1670   MAR    79.8      74.0      70.3      13.8      10.9       6.1
 2030.2503   APR    79.3      73.5      70.0      13.9      10.5       6.2
 2030.3337   MAY    79.0      73.0      70.0      13.6      10.2       6.2
 2030.4170   JUN    78.7      72.6      69.8      13.2       9.8       6.0
 2030.5003   JUL    77.8      72.2      69.3      12.9       9.5       5.9
 2030.5837   AUG    76.6      71.9      68.9      12.6       9.3       5.8
 2030.6670   SEP    75.6      71.7      68.6      11.9       9.1       5.7
 2030.7503   OCT    75.2      71.5      68.5      11.4       8.8       5.2
 2030.8337   NOV    74.8      71.3      68.5      11.2       8.6       4.9
 2030.9170   DEC    74.6      71.2      68.4      11.2       8.6       4.9
 2031.0003   JAN    74.6      71.1      68.2      11.4       8.7       4.7
 2031.0837   FEB    75.2      71.3      68.2      11.7       8.8       4.6
 2031.1670   MAR    75.9      71.6      68.2      11.8       8.9       4.5
 2031.2503   APR    76.5      71.8      68.1      12.0       9.0       4.2
 2031.3337   MAY    77.5      72.1      68.2      12.1       9.1       4.0
 2031.4170   JUN    79.0      72.6      68.2      12.2       9.1       3.8
 2031.5003   JUL    80.3      73.2      68.2      12.3       9.2       3.7
 2031.5837   AUG    81.5      73.8      68.2      12.6       9.4       3.6
 2031.6670   SEP    83.6      74.5      68.2      12.9       9.6       3.6
 2031.7503   OCT    86.4      75.4      68.2      13.3      10.0       3.8
 2031.8337   NOV    90.9      76.4      68.4      13.8      10.4       4.2
 2031.9170   DEC    95.2      77.8      68.5      14.6      10.6       4.5
 2032.0003   JAN    98.5      79.4      68.5      15.7      10.9       4.7
 2032.0837   FEB   103.6      81.1      68.5      16.1      11.1       4.8
 2032.1670   MAR   109.2      83.1      68.5      16.3      11.3       5.0
 2032.2503   APR   115.2      85.2      68.4      16.9      11.4       5.1
 2032.3337   MAY   122.0      87.5      68.6      18.0      11.6       5.3
 2032.4170   JUN   130.1      89.9      68.7      18.9      11.9       5.4
 2032.5003   JUL   136.6      92.5      69.0      19.1      12.1       5.6
 2032.5837   AUG   141.4      95.3      69.3      19.2      12.3       5.8
 2032.6670   SEP   145.9      98.1      69.4      19.0      12.6       6.0
 2032.7503   OCT   150.4     100.9      69.6      18.6      12.7       6.1
 2032.8337   NOV   155.4     103.7      70.1      18.5      12.7       6.1
 2032.9170   DEC   160.9     106.7      70.8      18.9      12.8       6.1
 2033.0003   JAN   166.3     109.8      71.0      18.8      12.9       6.3
 2033.0837   FEB   171.1     113.0      71.4      17.8      13.0       6.5
 2033.1670   MAR   177.2     116.2      71.7      17.9      13.2       6.7
 2033.2503   APR   184.3     119.3      72.3      18.4      13.4       7.1
 2033.3337   MAY   189.1     122.6      73.1      19.1      13.7       7.0
 2033.4170   JUN   192.1     125.6      73.5      19.6      14.2       7.0
 2033.5003   JUL   195.2     128.1      74.3      20.3      14.5       7.1
 2033.5837   AUG   198.1     130.2      74.9      20.3      14.5       7.2
 2033.6670   SEP   203.0     132.5      75.3      20.3      14.6       7.7
 2033.7503   OCT   208.9     135.1      75.8      20.5      14.7       8.1
 2033.8337   NOV   213.1     137.6      76.2      20.8      14.8       8.0
 2033.9170   DEC   215.9     139.9      76.5      21.2      14.8       8.0
 2034.0003   JAN   219.7     141.9      76.5      21.3      14.6       8.4
 2034.0837   FEB   223.3     143.7      76.5      21.4      14.6       8.6
 2034.1670   MAR   224.8     145.3      76.8      21.6      14.6       8.4
 2034.2503   APR   225.6     146.8      77.3      22.0      14.5       8.4
 2034.3337   MAY   228.0     147.9      77.8      22.7      14.4       8.6
 2034.4170   JUN   230.3     148.7      78.5      22.4      14.1       8.6
 2034.5003   JUL   233.0     149.3      79.8      21.3      13.8       8.5
 2034.5837   AUG   235.9     149.6      80.6      20.6      13.7       8.3
 2034.6670   SEP   237.0     149.9      81.6      20.1      13.6       8.0
 2034.7503   OCT   234.9     150.2      83.1      19.7      13.5       7.6
 2034.8337   NOV   232.6     150.3      84.6      19.6      13.5       7.5
 2034.9170   DEC   233.6     150.3      86.2      19.3      13.5       7.8
 2035.0003   JAN   234.0     149.6      87.0      19.1      13.7       7.7
 2035.0837   FEB   231.8     148.5      88.2      18.9      13.9       7.6
 2035.1670   MAR   228.8     147.7      89.8      18.9      14.0       7.5
 2035.2503   APR   225.5     147.5      90.9      19.5      13.9       7.2
 2035.3337   MAY   224.0     147.8      93.0      20.4      14.0       7.1
 2035.4170   JUN   225.0     148.2      94.3      22.0      14.4       7.1
 2035.5003   JUL   224.9     148.2      95.7      23.4      14.7       7.1
 2035.5837   AUG   223.7     148.0      96.0      24.0      14.9       7.3
 2035.6670   SEP   222.8     147.6      95.6      25.1      15.1       7.3
 2035.7503   OCT   222.5     147.2      95.5      25.7      15.3       7.0
 2035.8337   NOV   222.1     147.0      97.0      24.9      15.3       7.1
 2035.9170   DEC   221.5     146.6      97.8      24.8      15.3       6.7
 2036.0003   JAN   220.9     145.8      97.3      24.0      15.3       6.3
 2036.0837   FEB   218.8     144.6      96.5      22.2      15.3       6.1
 2036.1670   MAR   215.7     143.1      96.4      22.5      15.5       6.3
 2036.2503   APR   213.2     141.4      96.9      23.2      15.7       6.5
 2036.3337   MAY   210.6     140.0      96.4      23.2      15.7       6.7
 2036.4170   JUN   206.4     138.7      95.7      22.7      15.7       7.1
 2036.5003   JUL   203.6     137.2      96.3      22.0      15.6       7.6
 2036.5837   AUG   202.2     135.5      97.2      21.9      15.7       7.7
 2036.6670   SEP   198.4     133.5      96.3      22.7      15.9       8.1
 2036.7503   OCT   194.6     131.8      94.6      23.6      16.2       8.7
 2036.8337   NOV   192.8     130.4      93.8      23.8      16.4       8.9
 2036.9170   DEC   191.1     129.2      93.6      23.8      16.6       9.3
 2037.0003   JAN   187.6     127.5      91.8      23.8      16.6       9.7
 2037.0837   FEB   183.5     125.7      88.4      23.4      16.6      10.1
 2037.1670   MAR   179.5     124.4      88.0      22.5      16.5      10.5
 2037.2503   APR   175.8     123.3      88.7      22.7      16.4      10.7
 2037.3337   MAY   173.5     121.9      87.3      22.9      16.5      11.5
 2037.4170   JUN   171.4     120.3      86.3      23.0      16.6      11.7
 2037.5003   JUL   167.1     118.5      85.7      22.4      16.7      11.9
 2037.5837   AUG   160.8     116.7      84.9      21.5      16.5      11.9
 2037.6670   SEP   155.0     115.0      83.7      21.2      16.3      11.7
 2037.7503   OCT   151.3     113.1      82.7      21.7      16.1      11.4
 2037.8337   NOV   148.8     111.2      82.3      21.7      16.1      11.5
 2037.9170   DEC   146.2     109.6      82.2      22.1      16.1      11.4
 2038.0003   JAN   143.2     108.0      82.0      22.5      16.2      11.2
 2038.0837   FEB   139.6     106.4      81.0      22.3      16.2      11.0
 2038.1670   MAR   135.9     104.8      80.6      22.3      16.0      10.8
 2038.2503   APR   132.4     103.4      80.6      22.7      15.8      10.7
 2038.3337   MAY   128.4     101.8      80.0      22.9      15.5      10.6
 2038.4170   JUN   123.3     100.2      79.1      23.4      15.3      10.3
 2038.5003   JUL   119.4      98.7      77.7      24.0      15.0      10.1
 2038.5837   AUG   118.6      97.5      75.7      24.7      14.9      10.1
 2038.6670   SEP   118.7      96.3      74.6      25.3      14.8      10.1
 2038.7503   OCT   119.2      95.2      74.1      25.4      14.8      10.5
 2038.8337   NOV   119.5      94.3      73.8      25.3      14.7      10.4
 2038.9170   DEC   118.8      93.3      73.5      24.8      14.5      10.2
 2039.0003   JAN   117.3      92.1      73.1      23.9      14.3      10.0
 2039.0837   FEB   115.7      91.0      72.7      23.0      14.1       9.4
 2039.1670   MAR   113.5      90.0      72.0      22.5      14.2       8.8
 2039.2503   APR   110.0      89.0      71.4      22.1      14.2       8.1
 2039.3337   MAY   105.8      87.8      71.1      21.8      14.3       7.5
 2039.4170   JUN   103.2      86.8      70.8      21.4      14.5       7.4
 2039.5003   JUL   101.6      85.9      70.5      20.8      14.4       7.7
 2039.5837   AUG   100.1      85.1      70.6      20.0      14.3       8.1
 2039.6670   SEP    98.1      84.1      70.4      20.0      14.1       8.5
 2039.7503   OCT    96.5      83.0      69.9      20.2      13.9       8.5
 2039.8337   NOV    94.6      82.0      69.6      19.8      13.7       8.5
 2039.9170   DEC    93.5      81.3      69.5      19.4      13.6       8.4
 2040.0003   JAN    93.1      80.6      69.5      18.9      13.6       8.4
 2040.0837   FEB    92.3      80.0      69.3      18.2      13.6       8.1
 2040.1670   MAR    91.2      79.2      69.2      17.3      13.5       7.7
 2040.2503   APR    90.3      78.5      68.8      17.3      13.3       7.1
 2040.3337   MAY    89.5      77.8      68.6      17.4      13.2       6.8
 2040.4170   JUN    88.4      77.2      68.4      17.5      13.1       6.6
 2040.5003   JUL    87.4      76.6      68.4      17.5      12.9       6.5
 2040.5837   AUG    86.6      76.1      68.5      17.7      12.9       6.6
 2040.6670   SEP    85.2      75.6      68.5      18.0      12.7       6.5
 2040.7503   OCT    83.9      75.1      68.5      17.9      12.6       6.4
 2040.8337   NOV    82.0      74.6      68.4      17.6      12.3       6.4
 2040.9170   DEC    79.9      73.9      68.3      17.3      12.0       6.2
 2041.0003   JAN    78.4      73.2      68.1      16.3      11.7       6.1
 2041.0837   FEB    77.5      72.6      67.8      14.9      11.2       6.0
 2041.1670   MAR    77.0      72.1      67.7      13.8      10.9       6.1
 2041.2503   APR    76.9      71.8      67.6      13.9      10.5       6.2
 2041.3337   MAY    76.6      71.5      67.5      13.6      10.2       6.2
 2041.4170   JUN    76.5      71.1      67.3      13.2       9.8       6.0
 2041.5003   JUL    76.1      70.8      67.1      12.9       9.5       5.9
 2041.5837   AUG    75.1      70.5      67.1      12.6       9.3       5.8
 2041.6670   SEP    74.2      70.2      67.0      11.9       9.1       5.7
 2041.7503   OCT    74.0      70.0      67.0      11.4       8.9       5.2
