YEAR MONTH MEAN STDEV COUNT 2002 1 nan nan 0 2002 2 nan nan 0 2002 3 nan nan 0 2002 4 nan nan 0 2002 5 nan nan 0 2002 6 nan nan 0 2002 7 8.90789e-01 4.41933e-01 96 2002 8 1.23815e+00 1.00173e+00 138 2002 9 1.26532e+00 9.33697e-01 114 2002 10 1.07209e+00 4.26266e-01 418 2002 11 1.44354e+00 5.59305e-01 422 2002 12 1.42845e+00 5.79214e-01 317 2003 1 1.79825e+00 9.22121e+00 449 2003 2 1.08360e+00 2.35135e-01 388 2003 3 nan nan 0 2003 4 3.97538e+01 5.85293e+01 17 2003 5 7.41247e+02 3.39245e+03 40 2003 6 5.00449e+01 4.70106e+01 2 2003 7 3.81124e+00 4.82027e-01 5 2003 8 2.79665e+01 3.37384e+01 18 2003 9 2.73760e+00 2.78651e+00 158 2003 10 1.73918e+00 1.70721e+00 252 2003 11 1.35838e+00 1.95068e-01 406 2003 12 1.23375e+00 4.99053e-01 345 2004 1 1.12280e+00 1.74067e-01 424 2004 2 1.03632e+00 1.95850e-01 232 2004 3 6.24240e+00 5.26857e+01 457 2004 4 1.09881e+00 3.20098e-01 240 2004 5 1.02503e+00 3.88193e-01 144 2004 6 1.03107e+00 4.79238e-01 184 2004 7 8.63893e-01 3.91930e-01 135 2004 8 9.45742e-01 1.10885e-01 107 2004 9 1.34192e+00 2.84183e-01 63 2004 10 1.38440e+02 1.95876e+02 12 2004 11 1.38084e+00 2.41968e-01 11 2004 12 1.93613e+00 8.58761e-01 149 2005 1 2.26637e+00 6.55833e+00 213 2005 2 4.45332e+00 2.40034e+01 209 2005 3 1.34958e+00 4.92051e-01 201 2005 4 4.54765e+00 1.00698e+01 81 2005 5 1.44798e+02 7.31371e+02 27 2005 6 nan nan 0 2005 7 6.43149e+00 7.33527e+00 16 2005 8 2.12340e+00 7.37219e-01 57 2005 9 1.63402e+00 2.13978e-01 101 2005 10 1.19142e+00 1.81655e-01 265 2005 11 1.08639e+00 1.55946e-01 347 2005 12 1.38534e+00 4.43634e-01 272 2006 1 1.74946e+00 4.49871e-01 253 2006 2 2.40822e+00 9.38521e+00 136 2006 3 6.17889e+00 3.68662e+01 334 2006 4 1.12122e+00 2.44378e-01 188 2006 5 8.79037e-01 4.11600e-01 164 2006 6 1.38154e+00 2.56599e+00 116 2006 7 2.46579e+00 1.99511e+00 14 2006 8 1.02400e+00 2.32230e-01 111 2006 9 1.44330e+00 1.91571e+00 355 2006 10 2.19323e+00 1.64460e+01 301 2006 11 1.00400e+00 4.18800e-01 380 2006 12 1.04884e+00 6.50799e-01 292 2007 1 1.19052e+00 6.99633e-01 227 2007 2 8.07800e-01 1.80808e-01 426 2007 3 8.58326e-01 3.95568e-01 541 2007 4 8.75143e-01 3.18412e-01 313 2007 5 5.86636e-01 4.67624e-02 51 2007 6 8.11941e-01 3.56313e-01 107 2007 7 1.21573e+00 7.24094e-01 128 2007 8 1.15765e+00 4.87187e-01 142 2007 9 2.23540e+00 4.11934e+00 104 2007 10 1.21685e+00 1.99221e+00 311 2007 11 1.09453e+00 2.67839e+00 474 2007 12 7.79609e-01 1.36083e-01 249 2008 1 9.16841e-01 3.47017e-01 302 2008 2 9.57183e-01 1.43947e-01 435 2008 3 3.01369e+00 1.33906e+01 268 2008 4 9.34300e+02 3.90231e+03 107 2008 5 1.12314e+00 1.99055e-01 142 2008 6 1.07991e+00 4.83268e-01 107 2008 7 1.57499e+00 9.14275e-01 48 2008 8 1.31468e+00 6.38904e-01 42 2008 9 5.26605e+00 2.25164e+01 114 2008 10 2.15049e+00 2.26118e+00 373 2008 11 1.20780e+00 1.20315e+00 468 2008 12 1.24007e+00 3.61631e-01 417 2009 1 1.17366e+00 3.05219e-01 304 2009 2 1.08821e+00 3.22573e-01 496 2009 3 8.43871e-01 1.45974e-01 401 2009 4 4.55657e+00 2.35376e+01 184 2009 5 1.64039e+00 3.60355e-01 41 2009 6 1.18751e+00 2.37373e-01 38 2009 7 7.66844e-01 1.01015e-01 52 2009 8 2.05735e+00 1.62038e+00 143 2009 9 1.35215e+00 8.19830e-01 301 2009 10 1.07753e+00 4.81359e-01 489 2009 11 1.08656e+00 7.90436e-01 295 2009 12 1.23695e+00 2.53415e-01 158 2010 1 1.15309e+00 3.46714e-01 554 2010 2 8.09520e+01 1.25569e+03 253 2010 3 6.05019e+01 4.09683e+02 271 2010 4 4.01665e+00 1.62761e+01 149 2010 5 1.85005e+00 2.57841e+00 252 2010 6 1.64025e+00 2.27935e+00 196 2010 7 1.47651e+00 1.12607e+00 93 2010 8 1.72024e+00 1.67955e+00 32 2010 9 2.19629e+00 3.88478e+00 203 2010 10 1.30263e+00 1.58745e+00 762 2010 11 1.04849e+00 3.13623e-01 731 2010 12 9.59541e-01 2.45219e-01 402 2011 1 1.00435e+00 3.69235e-01 408 2011 2 8.25733e-01 1.41279e-01 422 2011 3 1.12596e+00 3.19310e-01 458 2011 4 9.78368e-01 3.26293e-01 311 2011 5 8.12040e-01 3.58439e-01 234 2011 6 1.79091e+00 2.51974e+00 45 2011 7 1.25081e+00 6.20443e-01 97 2011 8 1.03090e+01 5.65344e+01 152 2011 9 1.31141e+00 4.34862e+00 435 2011 10 1.16245e+00 9.72022e-01 404 2011 11 8.47683e-01 1.58190e-01 537 2011 12 9.01453e-01 4.25852e-01 548 2012 1 9.23378e-01 2.89824e-01 487 2012 2 1.16371e+00 5.33338e-02 46 2012 3 7.09780e-01 1.70517e-01 428 2012 4 9.77732e-01 6.67547e-01 274 2012 5 6.97594e-01 3.58539e-01 186 2012 6 3.01177e+00 1.24087e+00 3 2012 7 1.96400e+00 1.23933e+00 20 2012 8 9.60776e+00 1.58371e+01 12 2012 9 2.06955e+01 1.05623e+02 76 2012 10 6.83508e+00 1.22190e+01 60 2012 11 1.13714e+00 1.98250e-01 384 2012 12 1.16162e+00 3.55105e-01 203 2013 1 1.24867e+00 4.11218e-01 384 2013 2 1.16465e+00 1.84877e-01 173 2013 3 1.16822e+00 3.96604e-01 316 2013 4 1.88379e+01 1.35150e+02 111 2013 5 1.16261e+00 1.40608e-01 93 2013 6 5.01453e+01 2.01069e+02 128 2013 7 1.54506e+01 2.07841e+01 8 2013 8 nan nan 0 2013 9 7.29114e+01 4.59331e+02 124 2013 10 5.12635e+00 2.52155e+01 340 2013 11 1.60384e+00 4.00831e-01 162 2013 12 1.28424e+00 1.86502e-01 335 2014 1 1.53337e+00 3.28251e-01 184 2014 2 1.24155e+00 2.47018e-01 376 2014 3 1.39525e+00 4.04419e-01 331 2014 4 1.39552e+01 8.69727e+01 132 2014 5 1.65585e+00 8.28712e-02 60 2014 6 1.94618e+00 1.36827e+00 16 2014 7 1.68364e+00 6.09408e-01 193 2014 8 1.44061e+00 4.70006e-01 107 2014 9 9.37042e-01 1.39995e-02 2 2014 10 1.23562e+00 4.48207e-01 624 2014 11 1.22546e+00 7.10816e-01 399 2014 12 1.20012e+00 3.29750e-01 200 2015 1 1.19141e+00 2.37148e-01 397 2015 2 1.17867e+00 1.71074e-01 373 2015 3 1.41731e+00 3.75974e-01 328 2015 4 3.09287e+01 1.20541e+02 37 2015 5 1.35192e+00 3.25256e-01 173 2015 6 1.25768e+00 3.12795e-01 109 2015 7 1.11319e+00 1.43257e-01 24 2015 8 2.90654e+01 4.11936e+01 5 2015 9 2.30871e+00 1.42272e+00 47 2015 10 1.09637e+00 2.58359e-01 371 2015 11 1.84500e+00 2.10274e+00 241 2015 12 1.36290e+00 5.96949e-01 322 2016 1 1.28714e+00 2.86785e-01 216 2016 2 1.44510e+00 8.71157e-01 394 2016 3 1.67550e+00 8.49724e-01 284 2016 4 2.99954e+00 5.19554e+00 139 2016 5 2.21512e+00 4.23697e+00 269 2016 6 1.24178e+00 2.24013e+00 298 2016 7 1.48406e+00 1.06021e+00 213 2016 8 3.12876e+02 3.12707e+03 180 2016 9 3.93430e+00 3.09875e+01 252 2016 10 1.29128e+00 5.34836e-01 336 2016 11 1.02595e+00 2.34849e-01 434 2016 12 9.72924e-01 2.62045e-01 206 2017 1 1.13857e+00 5.43100e-01 307 2017 2 1.26672e+00 3.58090e-01 567 2017 3 1.31143e+00 4.25208e-01 422 2017 4 1.08350e+00 4.31243e-01 339 2017 5 9.21823e-01 1.12154e-01 83 2017 6 1.19301e+00 9.71909e-02 118 2017 7 1.12642e+00 7.56749e-02 38 2017 8 8.02411e+00 3.21983e+01 194 2017 9 1.26071e+00 4.28288e-01 250 2017 10 1.79752e+00 2.59474e-01 53 2017 11 1.49806e+00 1.06660e+00 631 2017 12 1.00032e+00 2.46074e-01 341 2018 1 1.31687e+00 5.48958e-01 293 2018 2 1.11863e+01 6.75197e+01 486 2018 3 1.69822e+00 1.48772e+00 395 2018 4 1.16273e+00 2.24557e-01 188 2018 5 9.58170e-01 1.00081e-01 118 2018 6 1.09110e+00 2.65193e-01 130 2018 7 2.56915e+00 4.49262e+00 34 2018 8 nan nan 0 2018 9 2.72591e+00 3.00861e+00 329 2018 10 1.72730e+00 1.23582e+00 329 2018 11 1.44070e+00 3.22634e-01 125 2018 12 1.72557e+00 4.56344e-01 212 2019 1 3.12142e+00 1.15896e+01 103 2019 2 3.24290e+02 3.54812e+02 7 2019 3 2.10654e+00 5.60258e-01 228 2019 4 1.95382e+00 4.12125e-01 137 2019 5 3.53109e+00 6.52736e+00 137 2019 6 1.03993e+00 5.03321e-02 42 2019 7 1.68649e+00 2.25854e-02 6 2019 8 2.62905e+00 5.13343e+00 82 2019 9 1.79851e+00 1.16617e+00 169 2019 10 1.62917e+00 3.05948e-01 278 2019 11 1.31250e+00 3.14593e-01 328 2019 12 1.82295e+00 4.71335e-01 116 2020 1 1.53724e+00 4.48980e-01 264 2020 2 1.74811e+00 3.87962e-01 61 2020 3 1.87543e+00 4.54538e-01 310 2020 4 1.89607e+00 2.00747e+00 117 2020 5 4.60034e+00 1.49100e+01 234 2020 6 2.31348e+00 5.69543e+00 226 2020 7 2.46990e+00 1.60596e+00 81 2020 8 1.81904e+00 2.36321e-01 49 2020 9 1.71646e+00 2.95964e-01 114 2020 10 5.52818e+00 4.29338e+01 262 2020 11 1.50075e+00 3.20253e-01 251 2020 12 1.28381e+00 3.63482e-01 219 2021 1 1.31270e+00 1.87412e-01 79 2021 2 1.67828e+00 3.24306e-01 231 2021 3 1.94013e+00 4.97567e-01 282 2021 4 3.71807e+00 8.66770e+00 213 2021 5 1.93381e+00 5.57880e-01 198 2021 6 1.70359e+00 3.59486e-01 56 2021 7 3.05022e+00 2.42739e+00 5 2021 8 2.11483e+00 2.66162e-01 28 2021 9 6.39968e+01 2.66850e+02 71 2021 10 1.54487e+00 4.69966e-01 200 2021 11 1.41964e+00 4.22978e-01 437 2021 12 1.56451e+00 8.48418e-01 351 2022 1 1.84353e+00 3.57025e-01 167 2022 2 1.61198e+00 5.93866e-01 447 2022 3 1.70871e+00 9.70076e-01 358 2022 4 nan nan 0 2022 5 1.24065e+01 8.90038e+01 165 2022 6 1.58423e+00 6.07179e-01 129 2022 7 1.58672e+00 7.89767e-01 158 2022 8 1.29284e+00 2.05531e-01 139 2022 9 1.24725e+00 1.83078e-01 144 2022 10 8.93235e-01 2.31865e-01 838 2022 11 1.38458e+00 2.93891e-01 293 2022 12 6.24789e+00 5.40727e+01 526 2023 1 1.40045e+00 1.78513e+00 505 2023 2 1.47850e+00 4.02242e-01 376 2023 3 1.83924e+00 8.38204e-01 332 2023 4 1.37328e+00 3.46325e-01 387 2023 5 1.05741e+00 1.58029e-01 166 2023 6 9.61349e-01 2.55814e-01 115 2023 7 1.14880e+00 3.78827e-01 172 2023 8 1.43143e+00 2.80370e-01 220 2023 9 1.70758e+00 8.13275e-01 260 2023 10 1.52449e+00 6.64222e-01 307 2023 11 1.32701e+00 3.63830e-01 438 2023 12 1.54221e+00 8.35527e-01 87 2024 1 2.01616e+00 6.89879e-01 120 2024 2 1.98812e+00 5.21605e-01 463 2024 3 2.47311e+00 1.81195e+00 205 2024 4 nan nan 0