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Table 1

Calculated (SC 23 and first 8 yr of SC 24) >1-GV sub-GLE and GLE fluences along with their scalings (for SC 23 only) to SC 24.

Calculated Scaled fluence
Date Type Time fluence xsth = 0.4 xsth = 1.0
[a] [cm-2sr-1] [cm-2sr-1] [cm-2sr-1]

Solar Cycle 23

1997-Nov.-04 s-GLE 1.473 (6.61 ± 0.71)10+ 2 (6.30 ± 0.91)10+ 1 (8.20 ± 3.59)10-1
1997-Nov.-06 GLE 1.478 (2.75 ± 0.54)10+ 4 (3.99 ± 0.85)10+ 3 (1.45 ± 0.36)10+ 2
1998-May-02 GLE 1.963 (4.47 ± 0.89)10+ 3 (6.50 ± 1.70)10+ 2 (2.42 ± 1.30)10+ 1
1998-May-06 GLE 1.974 (9.21 ± 0.69)10+ 2 (1.24 ± 0.14)10+ 2 (3.72 ± 1.14)10+ 0
1998-Aug.-24 GLE 2.275 (4.27 ± 0.29)10+ 3 (1.61 ± 0.14)10+ 3 (2.62 ± 0.40)10+ 2
1998-Sep.-30 s-GLE 2.376 (2.71 ± 0.26)10+ 2 (3.64 ± 0.44)10+ 1 (5.27 ± 0.75)10-1
1998-Nov.-14 s-GLE 2.500 (8.22 ± 1.77)10+ 2 (7.96 ± 4.02)10+ 1 (1.64 ± 2.20)10+ 0
2000-Jul.-14 GLE 4.164 (1.34 ± 0.16)10+ 5 (1.63 ± 0.18)10+ 4 (5.48 ± 1.14)10+ 2
2000-Nov.-09 s-GLE 4.487 (1.62 ± 0.22)10+ 4 (4.99 ± 0.72)10+ 2 (1.08 ± 0.19)10+ 0
2001-Apr.-03 s-GLE 4.884 (3.90 ± 2.22)10+ 2 (3.34 ± 2.76)10+ 1 (5.11 ± 7.40)10-1
2001-Apr.-12 s-GLE 4.909 (1.41 ± 0.15)10+ 3 (3.20 ± 0.43)10+ 2 (1.92 ± 0.27)10+ 1
2001-Apr.-15 GLE 4.917 (8.99 ± 1.81)10+ 4 (1.68 ± 0.37)10+ 4 (9.08 ± 2.13)10+ 2
2001-Apr.-18 GLE 4.925 (1.14 ± 0.21)10+ 4 (2.82 ± 0.56)10+ 3 (2.72 ± 0.67)10+ 2
2001-Aug.-16 s-GLE 5.254 (3.27 ± 0.30)10+ 3 (1.67 ± 0.21)10+ 2 (9.10 ± 2.14)10-1
2001-Sep.-24 s-GLE 5.361 (4.24 ± 0.38)10+ 3 (1.57 ± 0.17)10+ 2 (4.05 ± 0.91)10-1
2001-Oct.-22 s-GLE 5.437 (1.63 ± 0.20)10+ 3 (4.84 ± 0.62)10+ 2 (6.51 ± 0.99)10+ 1
2001-Nov.-04 GLE 5.473 (2.71 ± 0.29)10+ 4 (2.00 ± 0.35)10+ 3 (2.63 ± 1.01)10+ 1
2001-Nov.-22 s-GLE 5.522 (5.76 ± 5.95)10+ 3 (6.88 ± 9.12)10+ 2 (1.83 ± 3.67)10+ 1
2001-Dec.-26 GLE 5.615 (6.81 ± 1.34)10+ 3 (7.88 ± 1.76)10+ 2 (1.80 ± 0.59)10+ 1
2002-Apr.-21 s-GLE 5.933 (3.59 ± 0.34)10+ 3 (1.61 ± 0.16)10+ 2 (6.88 ± 0.88)10-1
2002-Aug.-24 GLE 6.275 (4.86 ± 0.99)10+ 3 (8.76 ± 2.03)10+ 2 (4.78 ± 1.70)10+ 1
2003-Oct.-28 GLE 7.452 (5.54 ± 0.74)10+ 4 (5.82 ± 0.91)10+ 3 (1.18 ± 0.24)10+ 2
2003-Oct.-29 GLE 7.455 (4.79 ± 0.37)10+ 4 (7.54 ± 0.89)10+ 3 (3.22 ± 0.83)10+ 2
2003-Nov.-02 GLE 7.466 (8.13 ± 1.48)10+ 3 (1.95 ± 0.45)10+ 3 (1.67 ± 0.78)10+ 2
2004-Nov.-01 s-GLE 8.465 (1.09 ± 0.32)10+ 2 (1.30 ± 0.49)10+ 1 (3.35 ± 1.83)10-1
2004-Nov.-10 s-GLE 8.490 (5.72 ± 1.58)10+ 2 (8.98 ± 3.06)10+ 1 (3.81 ± 1.76)10+ 0
2005-Jan.-17 GLE 8.676 (5.97 ± 0.61)10+ 3 (7.44 ± 0.83)10+ 2 (2.05 ± 0.30)10+ 1
2005-Jan.-20 GLE 8.684 (2.27 ± 0.41)10+ 5 (3.34 ± 0.63)10+ 4 (1.23 ± 0.24)10+ 3
2005-Jun.-16 s-GLE 9.087 (2.17 ± 0.47)10+ 3 (3.95 ± 1.08)10+ 2 (2.17 ± 0.85)10+ 1
2005-Sep.-07 s-GLE 9.314 (2.23 ± 0.24)10+ 4 (6.75 ± 1.06)10+ 3 (9.46 ± 2.61)10+ 2
2006-Dec.-06 s-GLE 10.560 (9.31 ± 1.01)10+ 3 (9.33 ± 1.25)10+ 2 (1.58 ± 0.44)10+ 1
2006-Dec.-13 GLE 10.579 (4.02 ± 0.83)10+ 4 (6.40 ± 1.37)10+ 3 (2.76 ± 0.66)10+ 2

Solar Cycle 24 (first 8 yr)

2012-Jan.-23 s-GLE 3.105 (1.31 ± 0.12)10+ 3
2012-Jan.-27 s-GLE 3.116 (5.36 ± 0.50)10+ 3
2012-Mar.-07 s-GLE 3.225 (2.26 ± 0.33)10+ 4
2012-Mar.-13 s-GLE 3.242 (1.44 ± 0.88)10+ 2
2012-May-17 GLE 3.422 (8.76 ± 1.75)10+ 3
2013-May-22 s-GLE 4.433 (1.86 ± 0.17)10+ 3
2014-Jan.-06 s-GLE 5.060 (1.96 ± 0.19)10+ 3
2014-Jan.-07 s-GLE 5.062 (6.12 ± 0.80)10+ 2
2014-Feb.-25 s-GLE 5.196 (2.76 ± 0.18)10+ 4
2014-Sep.-01 s-GLE 5.711 (9.48 ± 0.67)10+ 3
2015-Oct.-29 s-GLE 6.869 (2.21 ± 0.27)10+ 3

Notes.

(†)

Exceeds the “sub-GLE limit” of 102 cm-2sr-1.

(‡)

Exceeds the “potential GLE limit” of 2 × 103 cm-2sr-1.

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