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 1.48180e+00 5.21154e-01 64 2002 8 1.59665e+00 1.42900e+00 20 2002 9 8.31360e-02 5.87021e-02 17 2002 10 7.54457e-01 1.07135e+00 356 2002 11 3.28282e+00 4.68140e+00 496 2002 12 3.93957e+00 2.88909e+00 633 2003 1 3.98741e+00 2.89629e+00 969 2003 2 1.26823e+00 1.63896e+00 478 2003 3 5.85207e-01 3.82100e-01 199 2003 4 1.06491e+00 1.44054e+00 277 2003 5 5.82446e-01 3.70319e-01 224 2003 6 2.07483e-01 1.98803e-01 80 2003 7 1.90027e-01 1.11629e-01 4 2003 8 2.71877e-01 4.94256e-01 10 2003 9 1.50731e-01 1.05717e-01 88 2003 10 5.80040e-01 5.62680e-01 332 2003 11 5.61705e+00 4.41406e+00 387 2003 12 5.21987e+00 3.66019e+00 553 2004 1 2.25934e+00 2.61444e+00 622 2004 2 1.30594e+00 1.82486e+00 540 2004 3 5.50060e-01 6.28552e-01 239 2004 4 2.66394e-01 2.13001e-01 169 2004 5 2.89092e-01 1.87656e-01 121 2004 6 2.77618e-01 1.67338e-01 253 2004 7 2.70940e-01 2.21220e-01 95 2004 8 1.68101e-01 1.08564e-01 106 2004 9 4.23949e+00 1.64930e+00 165 2004 10 1.35622e+00 5.51810e-01 316 2004 11 1.45921e+00 1.57694e+00 632 2004 12 1.20743e+01 5.64768e+00 376 2005 1 6.36606e+00 5.83169e+00 536 2005 2 1.88705e+00 3.39831e+00 438 2005 3 4.15506e+00 1.85352e+00 239 2005 4 1.24387e+00 7.90756e-01 239 2005 5 2.08412e-01 1.36348e-01 178 2005 6 6.11515e-01 8.12909e-01 135 2005 7 1.21416e+00 7.24078e-01 148 2005 8 1.45768e-01 1.18528e-01 101 2005 9 6.04036e-01 2.46247e-01 100 2005 10 1.54008e+00 1.67951e+00 359 2005 11 5.17950e+00 5.52526e+00 367 2005 12 4.08821e+00 3.51562e+00 676 2006 1 8.06722e+00 5.16965e+00 316 2006 2 4.56327e+00 4.08487e+00 563 2006 3 1.19524e+00 1.10887e+00 728 2006 4 3.44821e-01 2.04774e-01 226 2006 5 4.61151e-01 3.85932e-01 150 2006 6 4.22440e-01 2.34811e-01 222 2006 7 4.54375e-01 2.64825e+00 87 2006 8 2.84504e-01 1.15826e-01 71 2006 9 5.77789e-01 3.21951e-01 94 2006 10 8.55946e-01 2.03061e+00 340 2006 11 2.53761e+00 1.81406e+00 407 2006 12 5.85581e+00 5.24970e+00 146 2007 1 1.09805e+00 1.97045e+00 507 2007 2 2.47689e+00 3.01524e+00 533 2007 3 2.10685e+00 1.91931e+00 346 2007 4 7.41124e-01 6.60450e-01 246 2007 5 1.08744e+00 3.37995e-01 179 2007 6 1.64270e-01 1.15785e-01 94 2007 7 2.66564e-01 4.87496e-01 147 2007 8 2.64981e-01 1.21942e-01 75 2007 9 1.25269e+00 1.89137e+00 183 2007 10 9.44120e-02 9.42928e-02 38 2007 11 6.92867e-01 1.03808e+00 433 2007 12 2.81285e+00 4.15107e+00 594 2008 1 1.99219e+00 3.29713e+00 407 2008 2 1.41332e+00 2.32906e+00 504 2008 3 3.94065e+00 1.68375e+00 295 2008 4 5.49542e-01 6.63872e-01 327 2008 5 6.88760e-01 8.72760e-01 277 2008 6 5.32304e-01 4.49725e-01 323 2008 7 2.23335e-01 1.29055e-01 59 2008 8 5.68462e-01 2.90866e-01 218 2008 9 1.93355e-01 1.73599e-01 152 2008 10 2.07195e+00 2.92848e+00 344 2008 11 2.12752e+00 2.67397e+00 769 2008 12 4.08217e+00 5.38907e+00 1078 2009 1 3.80152e+00 3.17650e+00 752 2009 2 4.58368e+00 5.25213e+00 511 2009 3 4.66964e-01 7.04487e-01 372 2009 4 1.51513e+00 1.31520e+00 176 2009 5 1.94988e-01 1.65716e-01 188 2009 6 1.08574e+00 9.70440e-01 130 2009 7 1.85985e-01 1.17044e-01 145 2009 8 2.56031e-01 1.62259e-01 92 2009 9 1.12898e-01 9.03534e-02 153 2009 10 5.94297e-01 7.79001e-01 448 2009 11 1.96641e+00 1.33447e+00 422 2009 12 2.27218e+00 3.08215e+00 291 2010 1 6.90094e+00 2.51509e+00 441 2010 2 8.19178e+00 4.03790e+00 381 2010 3 3.89615e+00 1.44651e+00 291 2010 4 1.19438e+00 6.37416e-01 43 2010 5 9.05265e-01 1.04735e+00 203 2010 6 1.14609e-01 6.83220e-02 121 2010 7 6.38884e-02 5.19251e-02 36 2010 8 4.55206e-01 5.66856e-01 139 2010 9 2.58676e-01 1.94864e-01 92 2010 10 5.22455e-01 3.42626e-01 802 2010 11 1.65653e+00 2.05824e+00 756 2010 12 5.60140e+00 3.60826e+00 610 2011 1 5.06988e+00 3.87643e+00 605 2011 2 1.81293e+00 1.97062e+00 555 2011 3 5.18235e-01 4.33767e-01 330 2011 4 1.51059e+00 1.66530e+00 391 2011 5 3.84693e-01 1.74925e-01 247 2011 6 3.61104e-01 2.81493e-01 119 2011 7 4.93908e-01 1.05322e-01 64 2011 8 7.77192e-01 5.40067e-01 99 2011 9 1.29212e+00 7.09567e-01 286 2011 10 2.00972e+00 1.83902e+00 437 2011 11 2.85619e+00 2.66231e+00 503 2011 12 4.58973e+00 4.26947e+00 727 2012 1 4.09439e+00 4.33366e+00 671 2012 2 2.69857e+00 3.80404e+00 422 2012 3 8.37098e-01 1.27288e+00 245 2012 4 6.59668e-01 4.95786e-01 264 2012 5 3.98736e-01 2.92446e-01 368 2012 6 nan nan 0 2012 7 3.01984e+00 9.77058e-01 70 2012 8 5.21787e-01 4.50668e-01 157 2012 9 3.12201e+00 1.10994e+01 146 2012 10 2.87605e+00 6.97332e+00 413 2012 11 2.57093e+00 2.43348e+00 555 2012 12 2.37865e+00 4.84238e+00 319 2013 1 1.06971e+00 1.06823e+00 511 2013 2 2.94012e+00 4.03979e+00 733 2013 3 3.44305e+00 2.55920e+00 503 2013 4 7.78858e-01 9.24663e-01 139 2013 5 1.08181e+00 6.02712e-01 221 2013 6 7.72345e-01 7.77504e-01 216 2013 7 1.26183e-01 8.13977e-02 59 2013 8 1.01204e-01 6.82959e-02 46 2013 9 1.20502e-01 1.12043e-01 41 2013 10 2.46539e-01 1.81654e-01 209 2013 11 2.63049e-01 9.74881e-02 64 2013 12 7.47973e-01 9.69050e-01 566 2014 1 6.66616e+00 6.66097e+00 514 2014 2 1.62522e+00 1.96564e+00 528 2014 3 3.33071e+00 2.66160e+00 433 2014 4 7.93734e-01 4.88536e-01 180 2014 5 7.45234e-01 7.64944e-01 272 2014 6 1.63157e-01 1.10789e-01 64 2014 7 4.97845e-01 1.94018e-01 97 2014 8 3.29553e-01 3.05501e-01 73 2014 9 nan nan 0 2014 10 4.47795e-01 4.47611e-01 644 2014 11 2.14260e+00 1.93884e+00 491 2014 12 4.91956e-01 4.79139e-01 549 2015 1 4.80290e+00 6.55262e+00 451 2015 2 6.05137e+00 4.41940e+00 542 2015 3 1.10311e+00 1.09803e+00 396 2015 4 2.89787e-01 9.12529e-02 71 2015 5 2.18366e-01 1.35033e-01 221 2015 6 2.19569e-01 1.35205e-01 158 2015 7 4.46356e-01 3.72251e-01 186 2015 8 2.54617e-01 9.60557e-01 36 2015 9 1.39415e+00 1.53090e+00 170 2015 10 1.04320e+00 6.85288e-01 274 2015 11 6.14485e-01 1.75486e+00 289 2015 12 1.39660e+00 2.15281e+00 307 2016 1 3.97934e+00 3.05219e+00 291 2016 2 4.87786e+00 4.18844e+00 298 2016 3 2.52848e+00 1.23903e+00 295 2016 4 1.65467e+00 1.37658e+00 305 2016 5 1.02664e+00 9.68902e-01 236 2016 6 5.61229e-01 4.03622e-01 151 2016 7 2.96428e-01 2.05165e-01 210 2016 8 4.33015e-01 3.40976e-01 183 2016 9 7.91994e-01 1.05430e+00 228 2016 10 1.17669e+00 1.67675e+00 342 2016 11 8.10248e-01 9.00932e-01 540 2016 12 6.08712e-01 4.88595e-01 597 2017 1 3.73875e+00 5.94076e+00 340 2017 2 1.80303e+00 2.05559e+00 899 2017 3 1.43068e+00 1.55943e+00 613 2017 4 1.57022e+00 8.25932e-01 434 2017 5 2.48770e+00 1.45682e+00 366 2017 6 1.50627e+00 1.29109e+00 157 2017 7 2.33678e-01 1.50776e-01 124 2017 8 4.37041e-01 4.33950e-01 213 2017 9 3.83092e+00 4.41424e+00 175 2017 10 3.31661e+00 3.39406e+00 280 2017 11 1.40619e+00 1.22691e+00 651 2017 12 2.67919e+00 3.81011e+00 638 2018 1 4.52197e+00 4.95600e+00 573 2018 2 4.22140e-01 5.62168e-01 497 2018 3 3.11841e+00 3.32786e+00 870 2018 4 7.27221e-01 5.86953e-01 609 2018 5 3.97085e-01 1.16062e-01 104 2018 6 3.96934e-01 2.43600e-01 255 2018 7 1.21457e+00 8.99888e-01 300 2018 8 2.20480e-01 2.18072e-01 170 2018 9 4.88421e-01 2.31494e-01 145 2018 10 2.80363e+00 1.83891e+00 311 2018 11 1.57434e+00 2.36500e+00 117 2018 12 4.37072e+00 2.93238e+00 322 2019 1 6.60205e+00 4.94084e+00 425 2019 2 1.63749e+00 1.12519e+00 387 2019 3 2.48837e+00 2.45310e+00 651 2019 4 1.83031e+00 1.32842e+00 254 2019 5 3.22267e-01 2.94641e-01 203 2019 6 4.06307e-01 3.01236e-01 45 2019 7 5.41865e-01 2.17292e-01 235 2019 8 4.04590e+00 6.98544e+00 12 2019 9 9.12742e-01 7.31496e-01 232 2019 10 1.32189e+00 1.67371e+00 390 2019 11 1.48777e+00 1.45268e+00 343 2019 12 4.12326e+00 1.98011e+00 80 2020 1 3.83601e+00 3.41449e+00 599 2020 2 1.93384e+00 1.06835e+00 238 2020 3 3.48558e+00 3.48228e+00 271 2020 4 1.70939e+00 1.42305e+00 192 2020 5 1.76612e-01 1.85760e-01 194 2020 6 3.49461e-01 3.99708e-01 183 2020 7 2.86499e-01 2.48588e-01 109 2020 8 3.48261e-01 7.91322e-01 104 2020 9 1.72116e+00 1.54588e+00 167 2020 10 1.17485e+00 7.36613e-01 121 2020 11 1.35559e+00 1.27254e+00 262 2020 12 3.13583e+00 3.08387e+00 636 2021 1 1.68589e+00 1.95814e+00 585 2021 2 4.57710e+00 2.67943e+00 410 2021 3 1.54807e+00 1.49981e+00 149 2021 4 1.98705e-01 1.68766e-01 317 2021 5 1.38386e+00 8.37938e-01 419 2021 6 1.07300e-01 0.00000e+00 2 2021 7 2.65155e-01 1.61885e-01 156 2021 8 2.57720e+00 9.01702e-01 2 2021 9 3.79011e-01 4.72305e-01 264 2021 10 5.69637e-01 6.37103e-01 135 2021 11 2.51716e+00 3.38525e+00 431 2021 12 1.21461e+00 1.59884e+00 407 2022 1 2.05352e+00 2.45669e+00 347 2022 2 2.31327e+00 2.13313e+00 697 2022 3 1.56436e+00 1.68300e+00 567 2022 4 nan nan 0 2022 5 3.32109e-01 2.78893e-01 269 2022 6 5.51218e-01 4.18311e-01 130 2022 7 2.69236e-01 1.84577e-01 201 2022 8 2.35736e-01 1.46083e-01 200 2022 9 1.39374e+00 2.21636e+00 352 2022 10 1.20842e+00 1.23214e+00 523 2022 11 2.59211e+00 2.15377e+00 301 2022 12 4.28465e-01 3.89943e-01 375 2023 1 1.52435e+00 2.04460e+00 785 2023 2 2.00513e+00 3.11435e+00 833 2023 3 1.20551e+00 1.43520e+00 823 2023 4 4.86912e-01 3.39425e-01 323 2023 5 7.57348e-01 5.80783e-01 266 2023 6 3.86318e-01 6.08906e-01 126 2023 7 5.07109e-01 2.63381e-01 220 2023 8 2.47769e-01 2.08027e-01 190 2023 9 5.00750e-01 3.20489e-01 479 2023 10 3.41249e+00 6.54850e+00 430 2023 11 1.10825e+00 1.30883e+00 580 2023 12 7.47457e+00 8.55093e+00 401 2024 1 4.51652e+00 3.34130e+00 310 2024 2 3.48128e+00 3.58375e+00 547 2024 3 9.12830e-01 8.47790e-01 314 2024 4 2.16511e-01 1.18007e-01 14