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 2.45705e+00 1.59901e+00 333 2002 8 1.43334e+00 5.82214e-01 624 2002 9 6.32692e-01 5.07983e-01 487 2002 10 7.19286e-01 5.03463e-01 236 2002 11 6.74748e-01 2.96942e-01 242 2002 12 5.04978e-01 3.91581e-01 461 2003 1 5.07009e-01 1.92982e-01 207 2003 2 1.58012e+00 3.06615e-01 263 2003 3 9.77311e-01 4.14660e-01 138 2003 4 7.65842e-01 5.37535e-01 395 2003 5 1.46622e+00 5.94935e-01 307 2003 6 7.66536e-01 7.24816e-01 168 2003 7 1.43210e+00 8.37495e-01 250 2003 8 1.41901e+00 1.27237e+00 298 2003 9 7.63822e-01 2.97124e-01 328 2003 10 1.02979e+00 3.98185e-01 372 2003 11 1.27455e+00 6.89155e-01 229 2003 12 8.32633e-01 6.73788e-01 274 2004 1 2.09254e+00 3.54144e-01 46 2004 2 1.69910e+00 5.48750e-01 163 2004 3 7.08512e-01 7.33820e-01 189 2004 4 1.81893e+00 7.49275e-01 200 2004 5 1.80261e+00 9.44525e-01 247 2004 6 5.97001e-01 6.93120e-01 170 2004 7 2.45530e-01 4.13573e-01 189 2004 8 5.85712e-01 5.83093e-01 336 2004 9 8.64600e-01 7.59630e-01 706 2004 10 1.38939e-01 1.07225e-01 282 2004 11 5.90587e-01 5.10092e-01 267 2004 12 5.85952e-01 6.42034e-01 113 2005 1 7.68631e-01 4.36277e-01 59 2005 2 1.87826e+00 6.82772e-01 157 2005 3 2.44543e+00 1.19407e+00 425 2005 4 1.83609e+00 1.19104e+00 415 2005 5 4.05616e+00 9.68826e-01 147 2005 6 2.82144e+00 8.65209e-01 242 2005 7 7.23568e+00 1.72139e+00 293 2005 8 3.34452e+00 1.41530e+00 496 2005 9 9.56480e-01 7.06632e-01 445 2005 10 5.31421e-01 4.35834e-01 346 2005 11 1.78075e+00 1.15003e+00 83 2005 12 3.51503e+00 1.70930e+00 341 2006 1 3.07951e+00 9.56098e-01 278 2006 2 1.81139e+00 5.95962e-01 155 2006 3 2.93855e+00 1.45974e+00 337 2006 4 2.96737e+00 2.04980e+00 314 2006 5 3.86448e+00 1.47470e+00 181 2006 6 1.42051e+00 1.25944e+00 149 2006 7 3.17619e+00 7.25860e-01 232 2006 8 1.64127e+00 1.69852e+00 458 2006 9 1.65971e+00 4.57456e-01 215 2006 10 1.35558e+00 1.04213e+00 191 2006 11 2.49325e+00 9.85647e-01 214 2006 12 3.08228e+00 7.73403e-01 132 2007 1 3.19675e+00 1.13718e+00 295 2007 2 4.46869e+00 2.39178e+00 101 2007 3 1.55576e+00 1.14576e+00 366 2007 4 3.61185e+00 1.39781e+00 342 2007 5 3.76503e+00 2.77285e+00 221 2007 6 3.32602e+00 1.20830e+00 373 2007 7 6.40477e+00 3.08756e+00 249 2007 8 6.71293e+00 2.69374e+00 223 2007 9 2.13496e+00 1.02878e+00 409 2007 10 9.39356e-01 5.40757e-01 238 2007 11 2.56153e+00 1.08098e+00 168 2007 12 2.93816e+00 1.47048e+00 65 2008 1 3.55449e+00 6.12074e-01 22 2008 2 2.62063e+00 1.29398e+00 37 2008 3 3.07726e+00 9.24024e-01 207 2008 4 3.92625e+00 2.56018e+00 123 2008 5 4.65950e+00 2.34805e+00 198 2008 6 1.45264e-02 1.81705e-02 43 2008 7 2.23486e-01 4.80199e-01 295 2008 8 8.97954e-01 9.43216e-01 457 2008 9 7.28660e-01 4.75710e-01 233 2008 10 5.34737e-01 4.89903e-01 371 2008 11 3.63030e+00 5.27043e-01 57 2008 12 1.79627e+00 1.13959e+00 148 2009 1 1.47001e+00 7.87648e-01 116 2009 2 4.67971e+00 8.02380e-01 282 2009 3 3.28322e+00 1.24646e+00 310 2009 4 4.72464e+00 1.52516e+00 312 2009 5 5.35457e+00 2.87375e+00 297 2009 6 6.55112e+00 3.53011e+00 176 2009 7 4.10845e+00 1.31164e+00 132 2009 8 8.19033e-01 9.83243e-01 234 2009 9 1.25932e+00 1.10420e+00 647 2009 10 4.34613e-01 6.99938e-01 59 2009 11 1.01481e+00 6.78428e-01 128 2009 12 1.00620e+00 1.03221e+00 123 2010 1 2.85737e+00 1.29992e+00 253 2010 2 5.78128e+00 1.02885e+00 139 2010 3 3.46531e+00 2.15043e+00 718 2010 4 4.12038e+00 2.00476e+00 247 2010 5 2.13768e+00 1.74695e+00 222 2010 6 2.44596e+00 1.82930e+00 144 2010 7 3.27678e+00 2.27300e+00 193 2010 8 6.58302e-01 9.55096e-01 435 2010 9 6.13135e-01 3.99073e-01 253 2010 10 9.36811e-01 1.50637e+00 359 2010 11 1.51593e+00 4.60122e-01 173 2010 12 1.98535e+00 1.37632e+00 160 2011 1 2.22384e+00 9.16341e-01 241 2011 2 2.76042e+00 9.13142e-01 241 2011 3 2.75597e+00 1.02257e+00 362 2011 4 2.68806e+00 1.02347e+00 126 2011 5 5.49127e+00 2.10275e+00 89 2011 6 1.79033e+00 1.19998e+00 262 2011 7 8.27242e-01 5.54313e-01 426 2011 8 1.30727e+00 1.69423e+00 395 2011 9 5.49946e-01 8.12573e-01 340 2011 10 7.64933e-01 8.65035e-01 502 2011 11 2.73948e+00 1.51198e+00 53 2011 12 4.21405e+00 2.27255e+00 234 2012 1 2.41896e+00 9.78810e-01 294 2012 2 3.01512e+00 8.34448e-01 275 2012 3 2.53830e+00 1.31352e+00 343 2012 4 4.12374e+00 1.68916e+00 410 2012 5 1.14084e+00 1.42760e+00 279 2012 6 3.81624e+00 1.42818e+00 280 2012 7 4.66156e+00 2.24852e+00 372 2012 8 3.16340e+00 1.36166e+00 285 2012 9 7.31928e-01 7.20574e-01 441 2012 10 1.14795e+00 4.97159e-01 180 2012 11 3.70936e+00 1.47976e+00 183 2012 12 5.34608e+00 1.11608e+00 74 2013 1 3.46372e+00 1.05148e+00 295 2013 2 5.43840e+00 4.59776e-01 32 2013 3 5.54296e+00 1.08486e+00 352 2013 4 5.25906e+00 1.79502e+00 204 2013 5 6.49392e+00 3.59493e+00 284 2013 6 2.61449e+00 1.41170e+00 106 2013 7 3.05953e+00 9.78864e-01 315 2013 8 1.98140e+00 1.20713e+00 223 2013 9 1.56403e+00 1.03656e+00 352 2013 10 1.30209e+00 3.21614e-01 199 2013 11 3.17616e+00 8.02187e-01 99 2013 12 3.49193e+00 1.11285e+00 264 2014 1 nan nan 0 2014 2 4.76844e+00 1.58273e+00 80 2014 3 5.28724e+00 9.35031e-01 102 2014 4 4.95188e+00 1.12072e+00 121 2014 5 4.64070e+00 2.69867e+00 156 2014 6 3.01422e+00 1.71389e+00 150 2014 7 2.20402e+00 9.79920e-01 126 2014 8 2.53812e+00 1.54515e+00 233 2014 9 1.64569e+00 9.29846e-01 320 2014 10 9.91421e-01 1.00441e+00 375 2014 11 2.17100e+00 8.84813e-01 71 2014 12 3.57598e+00 5.01681e-01 133 2015 1 3.44892e+00 1.93653e+00 126 2015 2 2.13414e+00 9.94216e-01 17 2015 3 4.49839e+00 1.93875e+00 487 2015 4 6.00719e+00 6.25534e-01 199 2015 5 5.94708e+00 1.85453e+00 134 2015 6 3.77611e+00 2.39804e+00 292 2015 7 4.36863e+00 1.54968e+00 345 2015 8 5.05261e+00 3.27619e+00 115 2015 9 4.89498e-01 5.75955e-01 372 2015 10 5.40830e-01 4.62141e-01 288 2015 11 1.78529e+00 1.04440e+00 309 2015 12 2.95015e+00 1.55166e+00 134 2016 1 2.93394e+00 1.63308e+00 232 2016 2 3.82989e+00 6.85925e-01 197 2016 3 4.04070e+00 1.28112e+00 137 2016 4 5.87468e+00 1.17624e+00 176 2016 5 4.48932e+00 2.59643e+00 285 2016 6 1.44698e+00 9.93517e-01 281 2016 7 1.52640e+00 9.80108e-01 298 2016 8 2.20049e+00 1.80499e+00 501 2016 9 3.06102e-01 3.53852e-01 461 2016 10 5.95709e-01 4.42069e-01 246 2016 11 5.19149e-01 6.99569e-01 388 2016 12 3.93454e+00 1.60929e+00 49 2017 1 4.69118e+00 1.21627e+00 284 2017 2 5.33145e+00 1.32790e+00 514 2017 3 4.09444e+00 1.32179e+00 212 2017 4 5.47086e+00 1.09662e+00 219 2017 5 2.80687e+00 2.01556e+00 358 2017 6 6.24393e-01 6.35115e-01 294 2017 7 6.54751e-01 8.00626e-01 425 2017 8 1.78568e+00 1.75485e+00 269 2017 9 5.74727e-01 3.76959e-01 427 2017 10 7.48648e-01 8.26359e-01 405 2017 11 3.05625e+00 1.00831e+00 289 2017 12 2.82694e+00 7.18789e-01 72 2018 1 5.89643e+00 1.03736e+00 90 2018 2 3.55781e+00 1.06222e+00 297 2018 3 3.44387e+00 1.45170e+00 565 2018 4 3.83611e+00 1.47373e+00 411 2018 5 3.96532e+00 2.50069e+00 300 2018 6 3.13136e+00 2.13481e+00 142 2018 7 1.90656e+00 1.17574e+00 324 2018 8 2.84457e+00 2.48788e+00 159 2018 9 6.14016e-01 6.06016e-01 527 2018 10 1.54027e-01 2.16475e-01 239 2018 11 1.37107e+00 2.20187e-01 119 2018 12 2.39864e+00 1.21904e+00 301 2019 1 2.08074e+00 1.87397e+00 113 2019 2 2.27838e+00 1.60999e+00 59 2019 3 2.09245e+00 1.10905e+00 436 2019 4 4.51163e+00 1.25572e+00 271 2019 5 4.87203e+00 1.63039e+00 129 2019 6 2.37298e+00 1.25343e+00 45 2019 7 4.21566e-01 6.05678e-01 246 2019 8 1.57764e+00 1.40035e+00 359 2019 9 4.74496e-01 8.67687e-01 55 2019 10 1.51852e+00 1.43278e+00 287 2019 11 1.72249e+00 1.04654e+00 222 2019 12 2.02520e+00 1.16579e+00 181 2020 1 2.75309e+00 7.74633e-01 148 2020 2 7.72455e-01 8.78466e-01 432 2020 3 1.73263e+00 8.07650e-01 277 2020 4 3.07196e+00 1.90698e+00 224 2020 5 1.36888e+00 1.20740e+00 247 2020 6 2.66854e-01 3.25200e-01 448 2020 7 4.58309e-01 4.82956e-01 404 2020 8 9.83325e-02 1.58833e-01 123 2020 9 5.32030e-02 6.40199e-02 126 2020 10 7.80015e-02 1.64141e-01 274 2020 11 3.06596e-01 2.99900e-01 471 2020 12 4.97487e-01 4.19724e-01 192 2021 1 1.61777e+00 6.86646e-01 90 2021 2 2.77846e+00 1.19275e+00 237 2021 3 2.22255e+00 7.17301e-01 580 2021 4 4.25038e+00 2.88592e+00 238 2021 5 3.91000e+00 1.68478e+00 182 2021 6 2.15977e+00 1.01742e+00 399 2021 7 1.40844e+00 1.39210e+00 108 2021 8 1.44695e+00 1.37202e+00 360 2021 9 2.58560e-01 3.79881e-01 374 2021 10 1.94618e-01 1.72655e-01 129 2021 11 1.40515e+00 1.38614e+00 199 2021 12 1.70585e+00 7.06315e-01 50 2022 1 1.10985e+00 1.24953e+00 203 2022 2 4.39457e+00 0.00000e+00 3 2022 3 4.30812e+00 7.22242e-01 256 2022 4 3.90755e+00 6.56403e-02 6 2022 5 5.61588e+00 2.16588e+00 136 2022 6 1.50764e+00 1.21537e+00 286 2022 7 5.12793e+00 1.39690e+00 140 2022 8 1.81355e+00 1.60477e+00 446 2022 9 1.32500e+00 1.38430e+00 314 2022 10 1.19854e+00 5.01702e-01 601 2022 11 2.66208e+00 2.56226e+00 435 2022 12 4.43783e+00 1.60151e+00 99 2023 1 4.50023e+00 1.87775e+00 294 2023 2 4.18255e+00 1.55377e+00 716 2023 3 5.42887e+00 3.14238e+00 417 2023 4 6.64308e+00 3.00912e+00 473 2023 5 3.62951e+00 2.49521e+00 474 2023 6 4.68346e+00 1.62823e+00 179 2023 7 3.54299e+00 2.02258e+00 184 2023 8 3.04359e+00 2.18369e+00 447 2023 9 1.57302e+00 1.43570e+00 351 2023 10 7.10031e-01 6.24363e-01 184 2023 11 2.34326e+00 2.03056e+00 507 2023 12 4.56055e+00 3.10904e+00 131 2024 1 9.42044e-01 1.00701e+00 256 2024 2 3.71407e+00 1.92216e+00 525 2024 3 4.61762e+00 1.81053e+00 503 2024 4 nan nan 0