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 1.59092e+01 4.00257e+00 189 2002 8 2.99873e+01 9.51129e+00 343 2002 9 2.23208e+01 7.94977e+00 215 2002 10 2.01787e+01 1.12051e+01 698 2002 11 1.16127e+01 7.97886e+00 902 2002 12 7.80700e+00 4.82175e+00 768 2003 1 4.37655e+00 3.15246e+00 1013 2003 2 9.80220e+00 4.53840e+00 576 2003 3 4.35127e-02 4.80981e-02 19 2003 4 2.49992e-03 1.00148e-02 68 2003 5 nan nan 0 2003 6 3.13288e+01 3.03872e+01 253 2003 7 1.44691e+01 1.39390e+00 64 2003 8 4.52765e+00 8.58533e+00 40 2003 9 1.14146e+01 1.32249e+01 318 2003 10 1.66279e+01 1.68092e+01 725 2003 11 1.53701e+01 1.02881e+01 1096 2003 12 5.74695e+00 6.95572e+00 858 2004 1 1.36846e+01 1.09670e+01 801 2004 2 8.64430e+00 2.15424e+00 192 2004 3 4.81269e+00 5.46898e+00 600 2004 4 8.62399e+00 7.10635e+00 431 2004 5 1.16086e+01 1.04443e+01 512 2004 6 1.89901e+01 1.21541e+01 229 2004 7 1.94773e+01 7.01991e+00 244 2004 8 1.26472e+01 1.15503e+01 509 2004 9 2.56664e+00 3.15744e+00 187 2004 10 1.58476e-03 1.06891e-02 98 2004 11 7.08742e+00 1.30164e+01 277 2004 12 5.12540e-01 7.04578e-01 556 2005 1 8.78348e+00 1.37990e+01 768 2005 2 3.35668e+00 3.43262e+00 574 2005 3 5.36992e+00 4.10046e+00 586 2005 4 1.07018e+01 2.13513e+01 224 2005 5 2.90191e+01 2.01487e+01 95 2005 6 8.68066e+00 8.25051e+00 268 2005 7 5.19534e+00 8.17032e+00 88 2005 8 9.43514e-01 1.10746e+00 60 2005 9 1.62658e+01 1.35479e+01 226 2005 10 1.28830e+01 1.22296e+01 938 2005 11 1.11802e+01 9.85176e+00 1043 2005 12 7.81609e+00 5.52083e+00 1024 2006 1 7.74611e+00 7.12093e+00 716 2006 2 1.69272e+00 2.06271e+00 775 2006 3 1.50585e+00 1.97068e+00 686 2006 4 4.33813e+00 3.53416e+00 215 2006 5 1.23466e+01 6.66008e+00 534 2006 6 1.60661e+01 1.45697e+01 213 2006 7 1.17647e+01 1.45553e+01 337 2006 8 2.10068e+01 1.48347e+01 262 2006 9 1.20688e+01 5.77719e+00 461 2006 10 1.58669e+01 9.56169e+00 659 2006 11 1.58256e+01 1.01822e+01 896 2006 12 2.28804e+01 1.18990e+01 502 2007 1 1.83121e+01 1.05038e+01 448 2007 2 1.91894e+01 1.12358e+01 822 2007 3 1.76842e+01 1.08595e+01 1006 2007 4 1.15101e+01 1.03933e+01 547 2007 5 2.73649e+01 5.65221e+00 95 2007 6 2.21798e+01 1.03033e+01 162 2007 7 1.44756e+01 5.94275e+00 456 2007 8 1.59468e+01 4.74322e+00 384 2007 9 2.36764e+01 8.86013e+00 368 2007 10 3.24235e+01 7.51625e+00 601 2007 11 2.44469e+01 9.79963e+00 1070 2007 12 2.89793e+01 1.35459e+01 698 2008 1 2.01137e+01 1.09320e+01 873 2008 2 2.44817e+01 8.24862e+00 1048 2008 3 1.41376e+01 1.00401e+01 810 2008 4 6.29664e+00 7.03670e+00 162 2008 5 1.19038e+01 9.79882e+00 461 2008 6 1.75724e+01 1.17439e+01 314 2008 7 1.84746e+01 1.11501e+01 398 2008 8 2.39178e+01 1.77708e+00 64 2008 9 1.52170e+01 1.60600e+01 340 2008 10 1.10355e+01 9.83302e+00 874 2008 11 8.75775e+00 5.01729e+00 840 2008 12 8.86235e+00 7.01003e+00 791 2009 1 1.04124e+01 1.12685e+01 640 2009 2 9.17138e+00 5.35926e+00 888 2009 3 1.59653e+01 7.99460e+00 1007 2009 4 9.89015e+00 8.62335e+00 395 2009 5 2.15973e+01 4.47190e+00 64 2009 6 2.06605e+01 1.82270e+01 329 2009 7 3.56437e+01 2.29972e+01 162 2009 8 1.42402e+01 2.11814e+01 380 2009 9 2.72121e+01 2.19997e+01 352 2009 10 1.48892e+01 9.17699e+00 645 2009 11 1.31093e+01 6.84708e+00 576 2009 12 1.41922e+01 9.74734e+00 218 2010 1 3.47523e+00 3.13613e+00 899 2010 2 4.16961e+00 7.24864e+00 629 2010 3 3.80812e-01 6.09344e-01 797 2010 4 3.97989e+00 4.65787e+00 193 2010 5 1.18024e+01 1.46438e+01 180 2010 6 9.50312e+00 6.10842e+00 444 2010 7 1.07104e+01 9.54854e+00 359 2010 8 1.68932e+01 6.10075e+00 116 2010 9 1.89810e+01 1.47182e+01 340 2010 10 1.02246e+01 8.23544e+00 1413 2010 11 1.80224e+01 8.30777e+00 1120 2010 12 1.17639e+01 1.00077e+01 1051 2011 1 1.67689e+01 1.21518e+01 717 2011 2 2.09668e+01 5.92403e+00 723 2011 3 1.45598e+01 7.85064e+00 898 2011 4 1.43902e+01 6.01123e+00 583 2011 5 1.38653e+01 1.29384e+01 521 2011 6 6.50701e+00 6.47811e+00 171 2011 7 9.96631e+00 7.26578e+00 265 2011 8 1.63542e+01 1.32468e+01 531 2011 9 2.32657e+01 1.43596e+01 568 2011 10 1.54084e+01 1.11964e+01 973 2011 11 2.18867e+01 1.11156e+01 984 2011 12 3.05783e+01 9.53878e+00 996 2012 1 1.69775e+01 9.01888e+00 1024 2012 2 1.84373e+01 7.24209e+00 179 2012 3 2.33145e+01 1.09501e+01 807 2012 4 1.68341e+01 6.55169e+00 662 2012 5 2.06086e+01 7.41346e+00 384 2012 6 1.17091e+01 5.93118e+00 256 2012 7 4.58753e+01 1.19083e+01 20 2012 8 6.82844e-01 5.40150e-01 100 2012 9 3.19196e+00 4.12750e+00 250 2012 10 6.80438e+00 1.99983e+01 680 2012 11 6.85223e+00 8.02098e+00 814 2012 12 9.35602e+00 6.28086e+00 541 2013 1 1.97381e+01 1.50622e+01 515 2013 2 1.13673e+01 4.40847e+00 621 2013 3 5.44399e+00 3.81132e+00 528 2013 4 1.04543e+01 1.17782e+01 346 2013 5 8.77136e+00 8.38615e+00 515 2013 6 3.72735e+01 2.66234e+01 201 2013 7 4.50044e+00 2.81894e+00 132 2013 8 1.01422e-01 2.55221e-01 61 2013 9 1.11489e+01 1.24168e+01 307 2013 10 1.89684e+01 1.98722e+01 521 2013 11 1.55500e+01 1.38943e+01 474 2013 12 1.64372e+01 9.08497e+00 663 2014 1 1.42615e+01 1.28194e+01 640 2014 2 9.40419e+00 5.63923e+00 662 2014 3 3.38696e+00 3.20964e+00 470 2014 4 nan nan 0 2014 5 9.09401e-02 1.16607e-01 33 2014 6 3.06701e+01 9.43955e+00 70 2014 7 1.54510e+01 1.44651e+01 374 2014 8 3.40599e+00 3.61113e+00 240 2014 9 3.09450e+01 1.93302e+01 362 2014 10 1.06183e+01 1.14470e+01 1343 2014 11 1.11448e+01 8.48859e+00 1003 2014 12 1.98320e+01 1.32541e+01 804 2015 1 2.21318e+01 1.33232e+01 744 2015 2 1.15158e+01 7.12707e+00 784 2015 3 1.45237e+01 1.37195e+01 440 2015 4 1.39137e+01 3.41860e+00 67 2015 5 2.25744e+01 1.51497e+01 286 2015 6 9.57205e+00 8.99962e+00 438 2015 7 4.01251e+01 6.07205e+00 128 2015 8 1.40075e+01 1.46972e+01 283 2015 9 1.02749e+01 1.22127e+01 288 2015 10 1.60991e+01 6.98779e+00 642 2015 11 5.61732e+00 6.74685e+00 451 2015 12 1.38488e+01 8.40905e+00 431 2016 1 1.21977e+01 6.43650e+00 696 2016 2 8.68760e+00 6.63893e+00 1204 2016 3 5.76372e+00 3.71422e+00 727 2016 4 1.37731e+01 1.35077e+01 370 2016 5 4.61384e+00 5.50451e+00 393 2016 6 1.84265e+01 1.39994e+01 381 2016 7 1.04510e+01 1.26947e+01 489 2016 8 9.43273e+00 9.20185e+00 530 2016 9 1.09560e+01 1.37048e+01 547 2016 10 1.49159e+01 9.61115e+00 729 2016 11 1.88003e+01 1.08316e+01 878 2016 12 2.11672e+01 9.64507e+00 782 2017 1 1.95655e+01 9.99405e+00 704 2017 2 1.33618e+01 6.60387e+00 1002 2017 3 1.78045e+01 1.01078e+01 703 2017 4 1.64091e+01 1.23990e+01 665 2017 5 1.75604e+01 8.74948e+00 431 2017 6 3.05258e+01 2.46580e+01 371 2017 7 4.11606e+01 1.24870e+01 184 2017 8 1.62356e+01 2.10125e+01 443 2017 9 8.45688e+00 8.84402e+00 240 2017 10 1.16928e+00 4.60943e+00 306 2017 11 1.33735e+01 1.00380e+01 804 2017 12 1.66636e+01 9.08526e+00 746 2018 1 1.34088e+01 7.49163e+00 757 2018 2 1.86272e+01 1.12929e+01 499 2018 3 9.11084e+00 5.67665e+00 579 2018 4 4.80618e+00 4.59977e+00 341 2018 5 1.59174e+01 9.68837e+00 370 2018 6 8.97816e+00 6.44735e+00 356 2018 7 1.84062e+01 3.94565e+00 70 2018 8 5.78414e+00 3.23898e+00 127 2018 9 1.60246e+01 1.63325e+01 523 2018 10 1.53742e+01 1.75156e+01 830 2018 11 6.53658e+00 5.03673e+00 256 2018 12 4.62918e+00 3.35987e+00 563 2019 1 3.66244e-01 4.65055e-01 656 2019 2 1.72394e+01 5.61616e+00 128 2019 3 1.72689e+00 2.16846e+00 443 2019 4 1.89730e+00 1.06025e+00 256 2019 5 9.68053e+00 8.37932e+00 534 2019 6 7.75302e+00 6.46028e+00 134 2019 7 1.46881e+01 1.30165e+01 299 2019 8 3.33448e+00 6.14105e+00 343 2019 9 7.49967e+00 7.01500e+00 426 2019 10 1.30734e+01 1.23804e+01 533 2019 11 1.09911e+01 1.08836e+01 631 2019 12 1.39347e+01 8.69083e+00 405 2020 1 9.26210e+00 3.91542e+00 578 2020 2 1.12769e+01 6.97816e+00 564 2020 3 1.23180e+01 1.12313e+01 592 2020 4 9.90058e+00 1.31258e+01 526 2020 5 9.42851e+00 8.01383e+00 510 2020 6 1.39211e+01 1.23009e+01 268 2020 7 1.36504e+01 1.66841e+01 183 2020 8 3.82483e+00 4.58397e+00 138 2020 9 4.15421e+00 1.68194e+00 124 2020 10 1.89851e+01 2.33474e+01 378 2020 11 1.29262e+01 2.06815e+01 559 2020 12 6.94527e+00 7.17629e+00 651 2021 1 5.67875e+00 4.79084e+00 576 2021 2 2.19240e+00 3.02318e+00 490 2021 3 4.19031e+00 6.12634e+00 211 2021 4 3.41268e+00 4.62059e+00 130 2021 5 8.67509e+00 1.61407e+01 389 2021 6 1.90895e+01 1.06454e+01 159 2021 7 3.29066e+01 2.41726e+00 2 2021 8 6.46374e+01 2.64617e+01 21 2021 9 1.65007e+01 2.03207e+01 327 2021 10 1.13837e+01 1.22108e+01 544 2021 11 1.98274e+00 4.58624e+00 733 2021 12 1.27973e+01 1.91712e+01 586 2022 1 4.04243e+00 2.96348e+00 896 2022 2 9.12907e+00 6.25799e+00 830 2022 3 1.26454e+01 9.54801e+00 517 2022 4 1.93807e+00 9.60699e-01 19 2022 5 8.23222e+00 6.34945e+00 240 2022 6 1.77370e+01 1.26870e+01 270 2022 7 2.87589e+01 2.73399e+01 132 2022 8 1.45256e+01 1.71038e+01 576 2022 9 1.79651e+01 9.48589e+00 242 2022 10 1.18875e+01 1.04769e+01 1199 2022 11 1.98121e+01 7.31780e+00 385 2022 12 1.59974e+01 1.21622e+01 1029 2023 1 1.69820e+01 8.48401e+00 887 2023 2 1.73678e+01 5.90757e+00 480 2023 3 1.54114e+01 9.39543e+00 676 2023 4 2.44527e+01 1.57516e+01 384 2023 5 1.72825e+01 1.56587e+01 348 2023 6 2.98540e+01 8.55430e+00 219 2023 7 2.33897e+01 2.05346e+01 442 2023 8 1.99208e+01 2.05771e+01 340 2023 9 9.62675e+00 1.62200e+01 299 2023 10 1.45317e+01 1.28087e+01 608 2023 11 1.49320e+01 1.46198e+01 605 2023 12 1.04228e+01 7.43602e+00 310 2024 1 1.49026e+00 2.50151e+00 442 2024 2 6.26034e+00 7.33755e+00 459 2024 3 5.61466e-01 6.44160e-01 143 2024 4 nan nan 0