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 1.09634e+00 6.67733e-01 245 2002 8 1.64395e+00 4.85615e-01 512 2002 9 2.16783e+00 2.50641e+00 346 2002 10 1.72844e+00 1.11172e+00 756 2002 11 1.76054e+00 4.55066e-01 645 2002 12 1.59674e+00 7.55791e-01 627 2003 1 1.91109e+00 5.93811e-01 898 2003 2 2.62811e+00 1.32969e+00 448 2003 3 4.78809e+00 1.77439e+00 64 2003 4 5.47437e+00 2.20044e+00 20 2003 5 1.20386e+01 9.68256e+00 258 2003 6 3.14745e+00 1.91935e+00 320 2003 7 3.07974e+00 3.27793e+00 332 2003 8 5.03963e+00 6.18267e+00 405 2003 9 3.41372e+00 2.99201e+00 368 2003 10 5.66514e+00 6.01090e+00 960 2003 11 4.75653e+00 4.06142e+00 960 2003 12 1.66751e+00 7.67919e-01 770 2004 1 2.16588e+00 1.80776e+00 826 2004 2 1.97272e+00 1.42737e+00 384 2004 3 4.20891e+00 3.78123e+00 609 2004 4 1.41577e+00 3.80892e-01 381 2004 5 9.66741e-01 5.44741e-01 689 2004 6 1.58602e+00 6.94495e-01 446 2004 7 2.19711e+00 7.81334e-01 406 2004 8 2.32514e+00 1.58965e+00 512 2004 9 4.70126e+00 7.72646e+00 135 2004 10 7.60664e+00 5.64072e+00 150 2004 11 2.42736e+01 1.37428e+01 254 2004 12 8.38338e+00 5.55764e+00 389 2005 1 7.36398e+00 7.26442e+00 733 2005 2 7.55267e+00 7.80773e+00 548 2005 3 3.74200e+00 9.08307e-01 384 2005 4 7.53229e+00 6.82408e+00 354 2005 5 4.06252e+00 3.94100e+00 152 2005 6 4.38806e+00 2.27524e+00 321 2005 7 3.25913e+00 3.59548e+00 415 2005 8 1.48212e+01 1.19503e+01 126 2005 9 6.70203e+00 7.43264e+00 361 2005 10 3.80662e+00 2.30549e+00 951 2005 11 3.29656e+00 2.84753e+00 1023 2005 12 2.10624e+00 1.03464e+00 1068 2006 1 8.02612e+00 1.02618e+01 687 2006 2 4.50778e+00 2.82355e+00 762 2006 3 4.92338e+00 3.09994e+00 1089 2006 4 2.88306e+00 2.06726e+00 343 2006 5 1.09830e+00 6.01266e-01 464 2006 6 1.55617e+00 5.33783e-01 478 2006 7 1.89793e+00 7.47648e-01 422 2006 8 1.87633e+00 6.31760e-01 423 2006 9 1.94528e+00 1.06264e+00 864 2006 10 1.64720e+00 8.55789e-01 931 2006 11 1.34555e+00 6.36849e-01 850 2006 12 1.03034e+00 5.87934e-01 537 2007 1 7.11965e-01 3.43983e-01 440 2007 2 8.71120e-01 6.10041e-01 657 2007 3 9.28261e-01 5.19618e-01 1021 2007 4 9.69463e-01 7.62328e-01 640 2007 5 6.24431e-01 2.93308e-01 340 2007 6 9.73987e-01 4.01612e-01 348 2007 7 1.23950e+00 4.15810e-01 499 2007 8 1.87568e+00 1.26634e+00 596 2007 9 1.81656e+00 1.63639e+00 530 2007 10 2.18620e+00 6.78024e-01 760 2007 11 2.03565e+00 2.96612e+00 1064 2007 12 2.27440e+00 1.12038e+00 875 2008 1 1.25949e+00 7.71244e-01 708 2008 2 1.13028e+00 3.59047e-01 708 2008 3 8.84993e+00 8.66511e+00 633 2008 4 3.83437e+00 4.37845e+00 635 2008 5 3.54966e+00 1.65451e+00 571 2008 6 3.73288e+00 3.45750e+00 468 2008 7 2.58628e+00 1.13337e+00 448 2008 8 3.79197e+00 2.23020e+00 315 2008 9 5.95691e+00 5.95021e+00 572 2008 10 5.45429e+00 4.21255e+00 1009 2008 11 1.31504e+00 6.75690e-01 960 2008 12 4.02003e+00 4.93588e+00 1070 2009 1 2.34314e+00 8.93590e-01 704 2009 2 1.70636e+00 5.45315e-01 939 2009 3 1.23538e+00 6.71596e-01 1001 2009 4 4.51763e+00 7.89693e+00 397 2009 5 6.54304e+00 9.09771e+00 278 2009 6 1.94258e+00 1.01905e+00 482 2009 7 2.82942e+00 4.00174e+00 73 2009 8 3.16891e+00 1.60384e+00 641 2009 9 2.21671e+00 2.01790e+00 829 2009 10 3.01866e+00 3.40196e+00 797 2009 11 1.24773e+00 6.07447e-01 838 2009 12 1.54832e+00 7.43804e-01 234 2010 1 2.34789e+00 2.46640e+00 837 2010 2 3.51613e+00 1.71272e+00 703 2010 3 5.94840e+00 5.68124e+00 943 2010 4 6.10615e+00 4.85896e+00 267 2010 5 2.38982e+00 9.07463e-01 580 2010 6 1.85968e+00 8.11471e-01 615 2010 7 1.76760e+00 8.23022e-01 401 2010 8 3.32386e+00 2.66950e+00 254 2010 9 3.36465e+00 1.38171e+00 657 2010 10 1.43092e+00 7.53252e-01 1536 2010 11 1.51128e+00 7.59356e-01 1214 2010 12 1.03849e+00 6.93137e-01 1088 2011 1 8.60753e-01 4.61252e-01 731 2011 2 4.86463e-01 1.94448e-01 640 2011 3 4.80494e-01 2.27915e-01 892 2011 4 5.79591e-01 2.23432e-01 920 2011 5 7.71490e-01 3.81232e-01 772 2011 6 7.69757e-01 2.53186e-01 256 2011 7 1.48274e+00 6.40477e-01 442 2011 8 1.60031e+00 8.27353e-01 448 2011 9 1.49282e+00 5.60262e-01 767 2011 10 1.23716e+00 6.26400e-01 917 2011 11 6.48211e-01 2.73815e-01 1056 2011 12 6.86507e-01 2.77168e-01 921 2012 1 6.68677e-01 3.07925e-01 932 2012 2 6.53023e-01 2.73544e-01 256 2012 3 5.57604e-01 3.40813e-01 893 2012 4 7.53358e-01 3.52198e-01 946 2012 5 1.40607e+00 5.13797e-01 454 2012 6 1.11981e+00 2.24254e-01 177 2012 7 6.02639e+00 8.19488e+00 299 2012 8 1.27548e+01 8.10518e+00 341 2012 9 9.56704e+00 8.36967e+00 338 2012 10 7.39636e+00 4.31298e+00 567 2012 11 3.22132e+00 1.79419e+00 856 2012 12 4.89467e+00 4.11790e+00 711 2013 1 1.61550e+00 8.93502e-01 704 2013 2 1.13819e+00 2.62446e-01 448 2013 3 1.73478e+00 8.05181e-01 784 2013 4 4.66419e+00 2.27915e+00 401 2013 5 5.60802e+00 5.52654e+00 503 2013 6 3.69713e+00 2.70411e+00 350 2013 7 1.43644e+01 9.81306e+00 133 2013 8 1.07641e+01 6.59192e+00 245 2013 9 1.43478e+01 1.01214e+01 388 2013 10 4.89638e+00 2.75768e+00 837 2013 11 7.57117e+00 6.65606e+00 436 2013 12 2.38214e+00 9.07380e-01 768 2014 1 2.88055e+00 1.02525e+00 512 2014 2 4.89413e+00 4.31419e+00 700 2014 3 7.11224e+00 4.59023e+00 576 2014 4 8.55749e+00 7.14210e+00 248 2014 5 1.53786e+01 7.30721e+00 139 2014 6 1.34284e+01 1.21184e+01 303 2014 7 5.68476e+00 4.12339e+00 494 2014 8 3.30118e+00 1.77079e+00 318 2014 9 8.86286e+00 1.00228e+01 394 2014 10 7.93155e+00 6.36436e+00 1210 2014 11 1.43112e+00 5.57064e-01 896 2014 12 2.37123e+00 1.92661e+00 715 2015 1 4.32501e+00 6.28459e+00 674 2015 2 7.46217e+00 1.09781e+01 739 2015 3 1.24556e+01 8.57669e+00 357 2015 4 4.62357e+00 2.28495e+00 221 2015 5 2.66565e+00 2.85740e+00 676 2015 6 1.23662e+00 5.15691e-01 358 2015 7 5.41251e+00 5.18986e+00 121 2015 8 7.13745e+00 6.48199e+00 369 2015 9 9.72608e+00 5.88259e+00 275 2015 10 5.16451e+00 5.94984e+00 795 2015 11 5.41138e+00 4.48954e+00 873 2015 12 1.93986e+00 7.26189e-01 435 2016 1 2.26894e+00 1.01876e+00 687 2016 2 3.51443e+00 1.72876e+00 1071 2016 3 2.58947e+00 1.05141e+00 576 2016 4 3.54296e+00 3.54973e+00 384 2016 5 2.47329e+00 8.82638e-01 699 2016 6 1.97354e+00 8.56804e-01 700 2016 7 2.02682e+00 2.16812e+00 697 2016 8 2.62375e+00 2.23184e+00 541 2016 9 4.49707e+00 2.52949e+00 641 2016 10 1.84943e+00 9.43916e-01 994 2016 11 1.68015e+00 9.29375e-01 896 2016 12 1.19975e+00 5.03369e-01 867 2017 1 1.48921e+00 8.28486e-01 654 2017 2 3.78948e+00 2.10138e+00 852 2017 3 1.87846e+00 1.77597e+00 971 2017 4 8.35068e-01 2.71151e-01 768 2017 5 1.07046e+00 3.68631e-01 544 2017 6 1.21483e+00 3.35628e-01 180 2017 7 2.37502e+00 1.39651e+00 121 2017 8 3.83834e+00 2.32915e+00 602 2017 9 5.12306e+00 5.76651e+00 323 2017 10 1.48448e+01 1.06101e+01 276 2017 11 6.55302e+00 6.99195e+00 1046 2017 12 2.62333e+00 1.81254e+00 576 2018 1 1.40196e+00 1.10351e+00 704 2018 2 6.38801e-01 4.87980e-01 575 2018 3 9.68910e-01 4.95994e-01 963 2018 4 1.67913e+00 1.03871e+00 602 2018 5 9.09421e-01 4.24810e-01 456 2018 6 2.49381e+00 2.35874e+00 256 2018 7 9.81492e+00 1.25180e+01 109 2018 8 3.91209e+00 3.40083e+00 423 2018 9 3.67093e+00 3.20797e+00 997 2018 10 2.85502e+00 1.71923e+00 1043 2018 11 2.14781e+00 7.31653e-01 446 2018 12 4.15595e+00 2.46839e+00 514 2019 1 1.02139e+01 7.90471e+00 622 2019 2 6.07588e+00 3.21689e+00 159 2019 3 7.44102e+00 6.69932e+00 758 2019 4 5.01800e+00 6.66676e+00 507 2019 5 1.61312e+00 6.81433e-01 816 2019 6 9.58270e-01 6.21606e-01 187 2019 7 2.12310e+00 1.51853e+00 294 2019 8 3.64736e+00 2.50220e+00 500 2019 9 2.69549e+00 1.95951e+00 832 2019 10 2.87612e+00 1.59665e+00 667 2019 11 1.87315e+00 9.10706e-01 768 2019 12 1.69675e+00 1.01054e+00 513 2020 1 1.10264e+00 3.55933e-01 785 2020 2 1.74644e+00 1.00675e+00 668 2020 3 4.28633e+00 6.13472e+00 546 2020 4 3.53758e+00 2.24068e+00 488 2020 5 3.50341e+00 4.65832e+00 579 2020 6 4.50095e+00 6.21422e+00 398 2020 7 1.55573e+00 6.24015e-01 273 2020 8 7.51193e+00 7.98140e+00 248 2020 9 6.13918e+00 5.61761e+00 264 2020 10 5.82258e+00 5.22115e+00 739 2020 11 4.62808e+00 3.09415e+00 896 2020 12 2.28260e+00 9.71876e-01 927 2021 1 4.36080e+00 6.22859e+00 563 2021 2 5.22853e+00 3.22906e+00 640 2021 3 1.09801e+01 5.77663e+00 161 2021 4 8.04334e+00 1.02484e+01 344 2021 5 3.05740e+00 1.52017e+00 715 2021 6 1.56429e+00 9.94362e-01 192 2021 7 1.82224e+00 3.48713e+00 216 2021 8 5.06693e+00 7.24113e+00 380 2021 9 7.96742e+00 6.51678e+00 338 2021 10 1.46152e+01 9.64541e+00 322 2021 11 4.01010e+00 3.20211e+00 772 2021 12 3.05536e+00 1.51527e+00 717 2022 1 3.66688e+00 1.76592e+00 819 2022 2 1.96799e+00 1.98074e+00 911 2022 3 2.69306e+00 2.15547e+00 958 2022 4 4.18177e+00 1.28102e+00 64 2022 5 3.30010e+00 1.74497e+00 455 2022 6 3.94154e+00 3.08766e+00 456 2022 7 1.72605e+00 1.68267e+00 537 2022 8 3.40236e+00 4.19415e+00 603 2022 9 7.90095e+00 5.53107e+00 207 2022 10 4.06592e+00 5.14799e+00 1136 2022 11 3.70385e+00 3.11076e+00 512 2022 12 1.89399e+00 9.26475e-01 832 2023 1 2.24265e+00 5.38555e+00 928 2023 2 1.81668e+00 8.03458e-01 630 2023 3 3.01502e+00 1.40526e+00 614 2023 4 2.52469e+00 1.01402e+00 384 2023 5 2.83963e+00 2.10321e+00 388 2023 6 2.58352e+00 1.52092e+00 312 2023 7 7.39197e+00 8.04164e+00 501 2023 8 6.09126e+00 5.07105e+00 406 2023 9 1.01916e+01 1.10002e+01 440 2023 10 6.03027e+00 6.86791e+00 507 2023 11 1.92941e+00 9.23639e-01 704 2023 12 1.73840e+00 9.60419e-01 239 2024 1 1.01030e+01 6.10301e+00 378 2024 2 9.14794e+00 9.67647e+00 528 2024 3 6.39115e+00 5.57860e+00 512 2024 4 nan nan 0