Last updated - June 6, 2023
Year | Observed | Colorado State University | NOAA CPC/HRD/NHC | Tropical Storm Risk | ||||||||||||||||||||||||||||||||||||||||||||||||
Early (April) | Late (August) | Early (May) | Late (August) | Early (June) | Late (August) | |||||||||||||||||||||||||||||||||||||||||||||||
NS | HU | MH | ACE | NS | ΔNS | HU | ΔHU | MH | ΔMH | ACE | ΔACE | NS | ΔNS | HU | ΔHU | MH | ΔMH | ACE | ΔACE | NS | ΔNS | HU | ΔHU | MH | ΔMH | ACE | ΔACE | NS | ΔNS | HU | ΔHU | MH | ΔMH | ACE | ΔACE | NS | ΔNS | HU | ΔHU | MH | ΔMH | ACE | ΔACE | NS | ΔNS | HU | ΔHU | MH | ΔMH | ACE | ΔACE | |
2000 | 15 | 8 | 3 | 119 | 11 | 4 | 7 | 1 | 3 | 0 | 125 | -6 | 11 | 4 | 7 | 1 | 3 | 0 | 130 | -11 | 8.7 | 6.3 | 5.1 | 2.9 | 2.1 | 0.9 | 10.4 | 4.6 | 6.3 | 1.7 | 3 | 0 | ||||||||||||||||||||
2001 | 15 | 9 | 4 | 110 | 10 | 5 | 6 | 3 | 2 | 2 | 100 | 10 | 12 | 3 | 7 | 2 | 3 | 1 | 120 | -10 | 9.5 | -5.5 | 6.0 | 3.0 | 2.5 | 1.5 | 10.5 | 4.5 | 7.0 | 2.0 | 3.0 | 1.0 | 159 | -49 | 10.9 | 4.1 | 5.8 | 3.2 | 2.4 | 1.6 | 11.8 | 3.2 | 6.9 | 2.1 | 2.9 | 1.1 | ||||||
2002 | 12 | 4 | 2 | 67 | 12 | 0 | 7 | -3 | 3 | -1 | 125 | -58 | 9 | 3 | 4 | 0 | 1 | 1 | 60 | 7 | 11.0 | -1.0 | 7.0 | -3.0 | 2.5 | -0.5 | 152 | -85 | 8.5 | 3.5 | 5.0 | -1.0 | 2.0 | 0.0 | 106 | -39 | 8.9 | 3.1 | 4.6 | -0.6 | 1.6 | 0.4 | 8.1 | 3.9 | 3.9 | 0.1 | 1.3 | 0.7 | ||||
2003 | 16 | 7 | 3 | 176 | 12 | 4 | 8 | -1 | 3 | 0 | 140 | 36 | 14 | 2 | 8 | -1 | 3 | 0 | 120 | 56 | 13.0 | -3.0 | 7.5 | -0.5 | 3.0 | 0.0 | 192 | -16 | 13.5 | 2.5 | 8.0 | -1.0 | 3.5 | -0.5 | 192 | -16 | 12.4 | 3.6 | 7 | 0 | 2.8 | 0.2 | 158 | 18 | 11.7 | 4.3 | 6.5 | 0.5 | 2.4 | 0.6 | 108 | 68 |
2004 | 15 | 9 | 6 | 227 | 14 | 1 | 8 | 1 | 3 | 3 | 145 | 82 | 13 | 2 | 7 | 2 | 3 | 3 | 125 | 102 | 13.5 | -1.5 | 7.0 | 2.0 | 3.0 | 3.0 | 172 | 55 | 13.5 | 1.5 | 7.0 | 2.0 | 3.0 | 3.0 | 159 | 68 | 12.6 | 2.4 | 6.8 | 2.2 | 2.7 | 3.3 | 120 | 107 | 14 | 1 | 7.6 | 1.4 | 3.1 | 2.9 | 145 | 82 |
2005 | 28 | 15 | 7 | 250 | 13 | 15 | 7 | 8 | 3 | 4 | 135 | 115 | 20 | 8 | 10 | 5 | 6 | 1 | 235 | 15 | 13.5 | -14.5 | 8.0 | 7.0 | 4.0 | 3.0 | 205 | 5 | 19.5 | 8.5 | 10.0 | 5.0 | 6.0 | 1.0 | 298 | -48 | 13.9 | 14.1 | 7.8 | 7.2 | 3.6 | 3.4 | 158 | 92 | 22.1 | 5.9 | 11.4 | 3.6 | 6.6 | 0.4 | 249 | 1 |
2006 | 10 | 5 | 2 | 79 | 17 | -7 | 9 | -4 | 5 | -3 | 195 | -116 | 15 | -5 | 7 | -2 | 3 | -1 | 140 | -61 | 14.5 | 4.5 | 9.0 | -4.0 | 5.0 | -3.0 | 225 | -146 | 13.5 | -3.5 | 8.0 | -3.0 | 3.5 | -1.5 | 186 | -107 | 14.6 | -4.6 | 7.9 | -2.9 | 3.6 | -1.6 | 147 | -68 | 15.9 | -5.9 | 7.9 | -2.9 | 3.5 | -1.5 | 145 | -66 |
2007 | 15 | 6 | 2 | 74 | 17 | -2 | 9 | -3 | 5 | -3 | 170 | -96 | 15 | 0 | 8 | -2 | 4 | -2 | 150 | -76 | 15.0 | 0.0 | 8.5 | -2.5 | 4.0 | -2.0 | 222 | -148 | 14.5 | 0.5 | 8.0 | -2.0 | 4.0 | -2.0 | 225 | -151 | 15.7 | -0.7 | 8.6 | -2.6 | 3.9 | -1.9 | 156 | -82 | 14.7 | 0.3 | 7.8 | -1.8 | 3.5 | -1.5 | 138 | -64 |
2008 | 16 | 8 | 5 | 146 | 15 | 1 | 8 | 0 | 4 | 1 | 150 | -4 | 17 | -1 | 9 | -1 | 5 | 0 | 175 | -29 | 14.0 | -2.0 | 7.5 | 0.5 | 3.5 | 1.5 | 205 | -59 | 16.0 | 0.0 | 8.5 | -0.5 | 4.5 | 0.5 | 245 | -99 | 14.4 | 1.6 | 7.7 | 0.3 | 3.4 | 1.6 | 131 | 15 | 18.2 | -2.2 | 9.7 | -1.7 | 4.5 | 0.5 | 191 | -45 |
2009 | 9 | 3 | 2 | 53 | 12 | -3 | 6 | -3 | 2 | 0 | 100 | -47 | 10 | -1 | 4 | -1 | 2 | 0 | 80 | -27 | 11.5 | 2.5 | 5.5 | -2.5 | 2.0 | 0.0 | 129 | -76 | 9.0 | 0.0 | 4.5 | -1.5 | 1.5 | 0.5 | 113 | -60 | 10.9 | -1.9 | 5.2 | -2.2 | 2.2 | -0.2 | 69 | -16 | 12.6 | -3.6 | 6.5 | -3.5 | 2.8 | -0.8 | 105 | -52 |
2010 | 19 | 12 | 5 | 165 | 15 | 4 | 8 | 4 | 4 | 1 | 150 | 15 | 18 | 1 | 10 | 2 | 5 | 0 | 185 | -20 | 18.5 | -0.5 | 11.0 | 1.0 | 5.0 | 0.0 | 282 | -117 | 17.0 | 2.0 | 10.0 | 2.0 | 5.0 | 0.0 | 285 | -120 | 16 | 3 | 8 | 4 | 4 | 1 | 156.1 | 8.9 | 17.8 | 1.2 | 9.7 | 2.3 | 4.5 | 0.5 | 183 | -18 |
2011 | 19 | 7 | 4 | 126 | 16 | 3 | 9 | -2 | 5 | -1 | 160 | -34 | 16 | 3 | 9 | -2 | 5 | -1 | 160 | -34 | 15.0 | -4.0 | 8.0 | -1.0 | 4.5 | -0.5 | 202 | -76 | 16.5 | 2.5 | 8.5 | -1.5 | 4.0 | 0.0 | 232 | -106 | 14.2 | 4.8 | 7.6 | -0.6 | 3.6 | 0.4 | 124 | 2 | 15.1 | 3.9 | 8.5 | -1.5 | 4.2 | -0.2 | 146 | -20 |
2012 | 19 | 10 | 2 | 129 | 10 | 9 | 4 | 6 | 2 | 0 | 70 | 59 | 14 | 5 | 6 | 4 | 2 | 0 | 99 | 30 | 12.0 | -7.0 | 6.0 | 4.0 | 2.0 | 0.0 | 150 | -21 | 14.5 | 4.5 | 6.5 | 3.5 | 2.5 | -0.5 | 139 | -10 | 12.7 | 6.3 | 5.7 | 4.3 | 2.7 | -0.7 | 98 | 31 | 14.2 | 4.8 | 6 | 4 | 2.9 | -0.9 | 106 | 23 |
2013 | 14 | 2 | 0 | 36 | 18 | -4 | 9 | -7 | 4 | -4 | 165 | -129 | 18 | -4 | 8 | -6 | 3 | -3 | 142 | -106 | 16.5 | 2.5 | 9.0 | -7.0 | 4.5 | -4.5 | 215 | -179 | 16.0 | -2.0 | 7.5 | -5.5 | 4.0 | -4.0 | 205 | -169 | 15.3 | -1.3 | 7.5 | -5.5 | 3.4 | -3.4 | 130 | -94 | 13.8 | 0.2 | 6.9 | -4.9 | 3 | -3 | 121 | -85 |
2014 | 8 | 6 | 2 | 67 | 9 | -1 | 3 | 3 | 1 | 1 | 55 | 12 | 10 | -2 | 4 | 2 | 1 | 1 | 65 | 2 | 10.5 | 2.5 | 4.5 | 1.5 | 1.5 | 0.5 | 93 | -26 | 9.5 | -1.5 | 4.5 | 1.5 | 1.0 | 1.0 | 75 | -8 | 12 | -4 | 5 | 1 | 2 | 0 | 73 | -6 | 12 | -4 | 6 | 0 | 2 | 0 | 70 | -3 |
2015 | 11 | 4 | 2 | 63 | 7 | 4 | 3 | 1 | 1 | 1 | 40 | 23 | 8 | 3 | 2 | 2 | 1 | 1 | 35 | 28 | 8.5 | -2.5 | 4.5 | -0.5 | 1.0 | 1.0 | 82 | -19 | 8.0 | 3.0 | 2.5 | 1.5 | 0.5 | 1.5 | 63 | 1 | 10 | 1 | 4 | 0 | 1 | 1 | 37 | 26 | 11 | 0 | 4 | 0 | 1 | 1 | 44 | 19 |
2016 | 15 | 7 | 4 | 141 | 13 | 2 | 6 | 1 | 2 | 2 | 93 | 48 | 15 | 0 | 6 | 1 | 2 | 2 | 100 | 41 | 13.0 | -2.0 | 6.0 | 1.0 | 2.5 | 1.5 | 135 | 6 | 14.5 | 0.5 | 6.5 | 0.5 | 3.0 | 1.0 | 155 | -1 | 17 | -2 | 9 | -2 | 4 | 0 | 130 | 11 | 15 | 0 | 7 | 0 | 3 | 1 | 94 | 47 |
2017 | 17 | 10 | 6 | 225 | 11 | 6 | 4 | 6 | 2 | 4 | 75 | 150 | 16 | 1 | 8 | 2 | 3 | 3 | 135 | 90 | 14.0 | -3.0 | 7.0 | 3.0 | 3.0 | 3.0 | 152 | 73 | 16.5 | 0.5 | 7.0 | 3.0 | 3.5 | 2.5 | 178 | 47 | 14 | 3 | 6 | 4 | 3 | 3 | 98 | 127 | 17 | 0 | 7 | 3 | 3 | 3 | 116 | 109 |
2018 | 15 | 8 | 2 | 133 | 14 | 1 | 7 | 1 | 3 | -1 | 130 | 3 | 12 | 3 | 5 | 3 | 1 | 1 | 64 | 69 | 13.0 | -2.0 | 7.0 | 1.0 | 2.5 | -0.5 | 139 | -6 | 11.0 | 4.0 | 5.5 | 2.5 | 1.0 | 1.0 | 99 | 34 | 9 | 6 | 4 | 4 | 1 | 1 | 33 | 100 | 11 | 4 | 5 | 3 | 1 | 1 | 58 | 75 |
2019 | 18 | 6 | 3 | 132 | 13 | 5 | 5 | 1 | 2 | 1 | 80 | 52 | 14 | 4 | 7 | -1 | 2 | 1 | 105 | 27 | 12.0 | -6.0 | 6.0 | 0.0 | 3.0 | 0.0 | 135 | -3 | 13.5 | 4.5 | 7.0 | -1.0 | 3.0 | 0.0 | 165 | -33 | 12 | 6 | 6 | 0 | 2 | 1 | 88 | 44 | 13 | 5 | 6 | 0 | 2 | 1 | 100 | 32 |
2020 | 30 | 14 | 6 | 184 | 16 | 14 | 8 | 6 | 4 | 2 | 150 | 34 | 24 | 6 | 12 | 2 | 5 | 1 | 200 | -16 | 16.0 | -14.0 | 8.0 | 6.0 | 4.5 | 1.5 | 198 | -14 | 22.0 | 8.0 | 9.0 | 5.0 | 4.5 | 1.5 | 244 | -60 | 17 | 13 | 8 | 6 | 3 | 3 | 135 | 49.5 | 24 | 6 | 10 | 4 | 4 | 2 | 166 | 18.5 |
2021 | 21 | 7 | 4 | 145 | 18 | 3 | 8 | -1 | 4 | 0 | 150 | -5 | 18 | 3 | 8 | -1 | 4 | 0 | 150 | -5 | 16.5 | 4.5 | 8.0 | -1.0 | 4.0 | 0.0 | 183 | -38 | 18.0 | 3.0 | 8.5 | -1.5 | 4.0 | 0.0 | 183 | -38 | 18 | 3 | 9 | -2 | 4 | 0 | 140 | 5 | 18 | 3 | 7 | 0 | 3 | 1 | 122 | 23 |
2022 | 14 | 8 | 2 | 95 | 19 | -5 | 9 | -1 | 4 | -2 | 160 | -65 | 18 | -4 | 8 | 0 | 4 | -2 | 150 | -55 | 17.5 | -3.5 | 8.0 | 0 | 4.5 | -3 | 193 | -98 | 18 | -4 | 8 | 0 | 4 | -2 | 184 | -89 | 18 | -4 | 8 | 0 | 4 | -2 | 140 | -45 | 17 | -3 | 8 | 0 | 3 | -1 | 130 | -35 |
2023 | 13 | 6 | 2 | 100 | 5 | 5 | 14.5 | 7.0 | 2.5 | 104 | 13 | 6 | 2 | 90 |
Notes:
NS = Named Storms
HU = Hurricanes
MH = Major Hurricanes
ACE = Accumulated Cyclone Energy
ΔNS = difference between observed and forecast Named Storms
ΔHU = difference between observed and forecast Hurricanes
ΔMH = difference between observed and forecast Major Hurricanes
ΔACE = difference between observed and forecast Accumulated Cyclone Energy