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 3.23239e+00 1.14664e+00 205 2002 8 3.48005e+00 9.57179e-01 435 2002 9 3.36601e+00 1.38501e+00 354 2002 10 3.38885e+00 1.36760e+00 570 2002 11 4.88315e+00 3.35120e+00 698 2002 12 4.65163e+00 1.75868e+00 576 2003 1 9.57717e+00 6.19690e+00 917 2003 2 5.82679e+00 2.54830e+00 576 2003 3 nan nan 0 2003 4 2.55916e+01 1.16300e+01 79 2003 5 1.71457e+01 1.10217e+01 124 2003 6 1.18315e+01 9.30890e+00 139 2003 7 2.15525e+01 1.27342e+01 36 2003 8 1.04471e+01 9.95287e+00 256 2003 9 1.74993e+01 1.16037e+01 206 2003 10 9.76672e+00 7.03702e+00 807 2003 11 1.09029e+01 6.51419e+00 860 2003 12 4.74299e+00 1.86178e+00 770 2004 1 5.81704e+00 5.65019e+00 820 2004 2 7.39080e+00 7.15003e+00 384 2004 3 9.15635e+00 7.47969e+00 353 2004 4 3.87611e+00 1.68094e+00 320 2004 5 3.11420e+00 1.86027e+00 615 2004 6 4.30136e+00 1.87321e+00 511 2004 7 7.48097e+00 3.76483e+00 270 2004 8 6.22512e+00 5.71326e+00 406 2004 9 1.15116e+01 7.61651e+00 112 2004 10 4.54769e+01 4.95750e+00 15 2004 11 2.89945e+01 8.64698e+00 61 2004 12 2.27134e+01 1.18272e+01 230 2005 1 1.41197e+01 9.77728e+00 502 2005 2 1.13568e+01 4.53486e+00 371 2005 3 1.46543e+01 1.04263e+01 316 2005 4 2.71711e+01 8.90477e+00 60 2005 5 nan nan 0 2005 6 7.28754e+00 7.18395e+00 68 2005 7 7.23291e+00 9.70651e+00 71 2005 8 3.19215e+01 8.06387e+00 13 2005 9 9.74802e+00 7.85742e+00 315 2005 10 8.26248e+00 4.66896e+00 828 2005 11 7.29271e+00 5.75961e+00 958 2005 12 6.00766e+00 4.09331e+00 950 2006 1 1.74270e+01 1.00957e+01 451 2006 2 1.70324e+01 9.03046e+00 398 2006 3 1.68507e+01 1.10891e+01 717 2006 4 9.34980e+00 7.12992e+00 378 2006 5 3.83676e+00 1.68872e+00 390 2006 6 4.41432e+00 3.68669e+00 292 2006 7 5.50792e+00 1.10204e+00 130 2006 8 4.19534e+00 1.28898e+00 303 2006 9 4.01840e+00 1.34127e+00 803 2006 10 3.47971e+00 1.57398e+00 792 2006 11 2.85274e+00 1.15097e+00 766 2006 12 3.00887e+00 2.90141e+00 627 2007 1 1.88342e+00 7.51758e-01 384 2007 2 2.90407e+00 1.68869e+00 632 2007 3 3.04065e+00 1.29608e+00 897 2007 4 2.73544e+00 1.14758e+00 606 2007 5 2.67290e+00 9.18225e-01 146 2007 6 2.80474e+00 5.33362e-01 277 2007 7 4.58282e+00 2.09121e+00 410 2007 8 4.91746e+00 1.90941e+00 449 2007 9 6.01061e+00 6.04928e+00 427 2007 10 4.44726e+00 1.44630e+00 589 2007 11 8.37722e+00 9.59200e+00 1015 2007 12 4.63178e+00 1.74223e+00 865 2008 1 3.71285e+00 2.96578e+00 762 2008 2 4.65416e+00 2.52430e+00 782 2008 3 2.26900e+01 1.07335e+01 365 2008 4 1.22732e+01 6.44612e+00 356 2008 5 1.12045e+01 7.39537e+00 388 2008 6 5.33748e+00 2.16124e+00 448 2008 7 5.13601e+00 3.85920e+00 370 2008 8 8.26010e+00 4.65237e+00 302 2008 9 9.66745e+00 8.04781e+00 165 2008 10 1.33817e+01 8.70331e+00 764 2008 11 5.22933e+00 2.89875e+00 948 2008 12 8.53563e+00 5.24118e+00 939 2009 1 8.82077e+00 8.06932e+00 578 2009 2 4.54968e+00 1.57003e+00 903 2009 3 3.86340e+00 2.24671e+00 834 2009 4 1.01833e+01 1.14264e+01 288 2009 5 1.28636e+01 4.33959e+00 54 2009 6 4.09578e+00 1.29226e+00 246 2009 7 2.07046e+00 0.00000e+00 2 2009 8 9.61620e+00 5.24381e+00 513 2009 9 1.12178e+01 1.00593e+01 568 2009 10 7.00450e+00 6.23390e+00 721 2009 11 3.39296e+00 1.65840e+00 810 2009 12 3.98844e+00 1.09111e+00 192 2010 1 7.97333e+00 7.86913e+00 806 2010 2 1.19400e+01 8.22799e+00 292 2010 3 1.62930e+01 6.88869e+00 558 2010 4 1.97878e+01 8.63890e+00 178 2010 5 8.65463e+00 6.82401e+00 379 2010 6 6.56259e+00 4.55988e+00 561 2010 7 9.72165e+00 5.78371e+00 373 2010 8 1.42782e+01 8.09044e+00 304 2010 9 8.14636e+00 4.70507e+00 572 2010 10 3.92402e+00 1.48464e+00 1515 2010 11 4.04577e+00 2.01863e+00 1188 2010 12 2.82941e+00 2.43757e+00 880 2011 1 2.84059e+00 1.41028e+00 683 2011 2 2.40440e+00 1.41363e+00 757 2011 3 2.71300e+00 1.36722e+00 858 2011 4 2.90598e+00 9.97372e-01 653 2011 5 2.53549e+00 1.30977e+00 747 2011 6 3.03806e+00 6.53785e-01 256 2011 7 3.56191e+00 1.51864e+00 448 2011 8 3.90066e+00 4.57679e+00 240 2011 9 2.98877e+00 8.64769e-01 670 2011 10 3.12034e+00 1.57044e+00 898 2011 11 2.46193e+00 1.09780e+00 1073 2011 12 2.42577e+00 1.20730e+00 856 2012 1 2.18790e+00 1.23759e+00 956 2012 2 1.41564e+00 4.66053e-01 213 2012 3 3.94575e+00 3.46189e+00 748 2012 4 4.05825e+00 2.20725e+00 777 2012 5 3.12490e+00 1.16174e+00 331 2012 6 4.69407e+00 1.27203e+00 128 2012 7 1.23738e+01 0.00000e+00 2 2012 8 3.28901e+01 9.78694e+00 78 2012 9 1.80535e+01 1.08474e+01 109 2012 10 2.61901e+01 1.32612e+01 117 2012 11 6.29576e+00 4.97108e+00 793 2012 12 9.51846e+00 8.19627e+00 498 2013 1 4.23591e+00 2.85419e+00 627 2013 2 2.85287e+00 6.62817e-01 448 2013 3 1.01952e+01 6.64053e+00 575 2013 4 1.39437e+01 9.07228e+00 190 2013 5 8.99427e+00 2.99491e+00 149 2013 6 1.14794e+01 6.23576e+00 284 2013 7 nan nan 0 2013 8 2.11252e+01 7.68329e+00 50 2013 9 1.21244e+01 9.39757e+00 2 2013 10 1.22197e+01 8.25993e+00 721 2013 11 8.59884e+00 5.50843e+00 316 2013 12 6.28987e+00 3.06729e+00 660 2014 1 7.43318e+00 2.18544e+00 334 2014 2 1.47970e+01 9.24384e+00 470 2014 3 1.56910e+01 9.31536e+00 267 2014 4 nan nan 0 2014 5 nan nan 0 2014 6 9.41605e+00 6.23394e+00 83 2014 7 2.19383e+01 1.12737e+01 333 2014 8 9.94445e+00 5.11565e+00 389 2014 9 5.63543e+00 2.88627e+00 156 2014 10 1.88751e+01 1.00695e+01 577 2014 11 5.48354e+00 3.46720e+00 912 2014 12 6.73449e+00 4.77174e+00 739 2015 1 1.30367e+01 9.98159e+00 524 2015 2 1.74545e+01 1.03390e+01 565 2015 3 3.08659e+01 1.17754e+01 162 2015 4 2.52392e+01 1.24085e+01 49 2015 5 7.51693e+00 6.90016e+00 430 2015 6 4.58791e+00 2.19713e+00 374 2015 7 1.02579e+01 5.52104e+00 167 2015 8 1.30661e+01 1.22807e+01 141 2015 9 2.31125e+01 1.30862e+01 87 2015 10 8.15028e+00 4.64342e+00 632 2015 11 1.03640e+01 7.13083e+00 611 2015 12 4.51595e+00 2.14580e+00 447 2016 1 6.68105e+00 2.36343e+00 473 2016 2 1.57997e+01 1.04569e+01 888 2016 3 1.25708e+01 7.42394e+00 684 2016 4 7.19903e+00 1.74837e+00 251 2016 5 7.39866e+00 3.03956e+00 610 2016 6 5.34856e+00 2.21874e+00 556 2016 7 6.66854e+00 3.69421e+00 766 2016 8 5.23580e+00 5.40682e+00 550 2016 9 2.53308e+01 1.03111e+01 405 2016 10 7.87680e+00 5.24471e+00 825 2016 11 4.30945e+00 2.11694e+00 890 2016 12 2.69505e+00 7.54126e-01 860 2017 1 4.14761e+00 1.37601e+00 570 2017 2 1.32821e+01 6.77758e+00 643 2017 3 5.81450e+00 4.26203e+00 941 2017 4 3.57624e+00 1.90860e+00 715 2017 5 3.37453e+00 1.33338e+00 450 2017 6 3.26876e+00 1.58553e+00 307 2017 7 nan nan 0 2017 8 1.66859e+01 1.38658e+01 340 2017 9 1.46553e+01 9.37985e+00 201 2017 10 1.05868e+01 5.77064e+00 129 2017 11 1.25084e+01 9.49185e+00 917 2017 12 6.75963e+00 4.12950e+00 616 2018 1 4.16124e+00 3.37839e+00 690 2018 2 4.16997e+00 2.07495e+00 640 2018 3 5.20359e+00 4.04632e+00 941 2018 4 5.35917e+00 4.22829e+00 494 2018 5 3.21678e+00 1.25215e+00 384 2018 6 1.50922e+01 1.15037e+01 193 2018 7 1.10696e+01 4.96675e+00 33 2018 8 1.43586e+01 9.67670e+00 232 2018 9 1.13912e+01 1.06606e+01 600 2018 10 8.28604e+00 4.11872e+00 1000 2018 11 6.13489e+00 2.83313e+00 407 2018 12 1.43892e+01 1.08339e+01 317 2019 1 1.76215e+01 1.13441e+01 178 2019 2 2.21887e+01 8.63572e+00 147 2019 3 1.91902e+01 1.06619e+01 527 2019 4 1.04281e+01 6.98192e+00 379 2019 5 4.85208e+00 2.33537e+00 644 2019 6 4.99948e+00 3.12256e+00 137 2019 7 5.98256e+00 5.92491e+00 160 2019 8 1.36961e+01 8.03277e+00 257 2019 9 9.72446e+00 8.07516e+00 600 2019 10 5.23153e+00 2.76956e+00 547 2019 11 3.70838e+00 1.17674e+00 712 2019 12 4.31667e+00 2.05064e+00 369 2020 1 5.45480e+00 2.71409e+00 661 2020 2 4.58412e+00 1.58711e+00 570 2020 3 7.43318e+00 4.52096e+00 329 2020 4 9.65125e+00 8.73271e+00 214 2020 5 8.68722e+00 6.49319e+00 286 2020 6 2.50038e+01 9.75345e+00 102 2020 7 8.35226e+00 2.34316e+00 68 2020 8 5.15338e+00 5.04196e+00 57 2020 9 9.44857e+00 4.57336e+00 104 2020 10 1.26278e+01 1.04327e+01 451 2020 11 8.77052e+00 6.86478e+00 741 2020 12 4.86509e+00 2.40575e+00 744 2021 1 7.23401e+00 4.63671e+00 261 2021 2 1.67762e+01 1.10645e+01 464 2021 3 1.79350e+01 7.77299e-01 18 2021 4 1.96815e+01 1.03605e+01 39 2021 5 8.93449e+00 7.19264e+00 526 2021 6 4.16092e+00 2.67410e+00 192 2021 7 1.12841e+01 1.30635e+01 148 2021 8 1.31940e+01 7.62388e+00 49 2021 9 5.21803e+00 1.73877e+00 64 2021 10 1.28565e+01 1.01229e+01 105 2021 11 8.16119e+00 5.65852e+00 705 2021 12 7.12165e+00 3.30810e+00 758 2022 1 7.44915e+00 3.74617e+00 637 2022 2 5.49966e+00 2.53739e+00 955 2022 3 6.97093e+00 4.01350e+00 829 2022 4 1.71888e+01 8.95843e+00 36 2022 5 8.31146e+00 8.92023e+00 337 2022 6 1.06987e+01 6.03328e+00 343 2022 7 4.43143e+00 3.20549e+00 430 2022 8 1.19522e+01 8.97169e+00 396 2022 9 4.48847e+00 8.80960e-01 63 2022 10 9.29628e+00 8.55942e+00 769 2022 11 6.34635e+00 4.26895e+00 429 2022 12 5.89764e+00 3.51461e+00 709 2023 1 3.71735e+00 1.32016e+00 733 2023 2 6.58582e+00 3.92675e+00 700 2023 3 1.53236e+01 9.28673e+00 573 2023 4 1.23543e+01 8.63814e+00 349 2023 5 6.20368e+00 2.40800e+00 320 2023 6 7.44768e+00 2.71023e+00 320 2023 7 1.54404e+01 1.32670e+01 183 2023 8 1.30616e+01 9.84362e+00 167 2023 9 1.50544e+01 1.38459e+01 223 2023 10 1.24676e+01 1.03451e+01 407 2023 11 8.82131e+00 8.38894e+00 465 2023 12 6.19029e+00 2.81213e+00 128 2024 1 3.44342e+01 6.46522e+00 24 2024 2 2.17299e+01 9.58664e+00 326 2024 3 1.88599e+01 1.15360e+01 318 2024 4 nan nan 0