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 4.92243e+01 2.42160e+00 15 2002 8 3.33887e+01 5.88308e-01 12 2002 9 2.86950e+01 7.44773e+00 129 2002 10 2.71697e+01 1.04897e+01 376 2002 11 2.04391e+01 1.65815e+01 680 2002 12 2.50622e+01 1.52397e+01 566 2003 1 3.24327e+01 1.45712e+01 411 2003 2 3.73135e+01 9.65359e+00 467 2003 3 4.27480e+01 1.07201e+01 435 2003 4 nan nan 0 2003 5 4.83976e+01 2.65555e+00 28 2003 6 4.66194e+01 8.71809e-01 44 2003 7 3.80767e+01 1.10677e+01 39 2003 8 3.58071e+01 1.48917e+01 128 2003 9 3.50381e+01 6.58372e+00 163 2003 10 2.20108e+01 1.58860e+01 308 2003 11 4.61390e+00 6.67550e+00 430 2003 12 2.27201e+01 1.37244e+01 450 2004 1 2.30975e+01 1.18590e+01 565 2004 2 3.32412e+01 7.69837e+00 511 2004 3 2.59106e+01 1.70329e+01 272 2004 4 4.27656e+01 1.09892e+01 269 2004 5 3.05429e+01 1.81459e+01 57 2004 6 4.20201e+01 1.11141e+00 33 2004 7 3.76467e+01 2.49460e+00 34 2004 8 2.89048e+01 3.39577e+00 110 2004 9 2.29841e+01 1.04874e+01 57 2004 10 1.12552e+01 1.04126e+01 280 2004 11 1.55586e+01 8.02751e+00 286 2004 12 2.51017e+01 1.39378e+01 508 2005 1 1.61846e+01 1.22561e+01 180 2005 2 2.19400e+01 1.76588e+01 325 2005 3 4.13756e+01 1.14645e+01 287 2005 4 3.24884e+01 2.24444e+00 41 2005 5 3.02169e+01 2.08586e+01 80 2005 6 nan nan 0 2005 7 nan nan 0 2005 8 7.81631e+00 9.20117e+00 64 2005 9 8.66327e+00 3.17084e+00 64 2005 10 2.01663e+01 1.26395e+01 198 2005 11 1.86354e+01 1.49385e+01 320 2005 12 3.39308e+01 1.16682e+01 624 2006 1 3.10885e+01 1.10588e+01 261 2006 2 4.10065e+01 9.64039e+00 390 2006 3 3.17859e+01 1.11135e+01 458 2006 4 4.23897e+01 4.91357e+00 84 2006 5 3.11149e+01 6.39463e+00 63 2006 6 5.17636e+01 2.12901e+00 47 2006 7 5.09501e+01 4.66736e+00 66 2006 8 2.20592e+01 5.21011e+00 31 2006 9 6.98787e+00 5.47274e+00 299 2006 10 3.52014e+01 4.43846e+00 189 2006 11 2.52201e+01 1.36952e+01 594 2006 12 3.11433e+01 1.33689e+01 517 2007 1 3.31091e+01 1.13605e+01 654 2007 2 3.75666e+01 1.12284e+01 569 2007 3 3.74043e+01 1.85740e+00 22 2007 4 4.44103e+01 1.04334e+01 128 2007 5 3.60762e+01 6.77690e+00 61 2007 6 nan nan 0 2007 7 3.37530e+01 2.04549e+00 23 2007 8 4.43104e+01 3.89313e+00 105 2007 9 2.79689e+01 4.45750e+00 59 2007 10 2.48416e+01 1.05694e+01 152 2007 11 1.70763e+01 1.19342e+01 230 2007 12 1.47333e+01 1.00238e+01 610 2008 1 3.37935e+01 1.06556e+01 639 2008 2 3.57209e+01 7.50986e+00 436 2008 3 3.81607e+01 1.66092e+01 229 2008 4 4.07302e+01 7.93602e+00 198 2008 5 3.09657e+01 1.31329e+01 128 2008 6 3.85276e+01 5.95384e-02 16 2008 7 3.83758e+01 8.33485e+00 177 2008 8 4.17708e+01 1.93879e+00 53 2008 9 2.05594e+01 4.89522e+00 126 2008 10 1.59788e+01 1.18090e+01 319 2008 11 2.61923e+01 1.07338e+01 550 2008 12 2.59908e+01 1.36435e+01 548 2009 1 3.71087e+01 8.15686e+00 608 2009 2 3.54657e+01 1.27180e+01 277 2009 3 2.12620e+01 1.43003e+01 161 2009 4 3.33894e+01 9.87746e+00 421 2009 5 3.39468e+01 2.85819e+00 56 2009 6 nan nan 0 2009 7 3.17139e+01 8.30060e+00 133 2009 8 4.42166e+01 8.43864e+00 56 2009 9 3.44794e+01 1.47365e+01 158 2009 10 1.48066e+01 8.99778e+00 359 2009 11 1.71437e+01 1.25314e+01 640 2009 12 2.29376e+01 1.27591e+01 600 2010 1 2.24714e+01 1.47362e+01 440 2010 2 3.14765e+01 1.07849e+01 427 2010 3 4.55332e+01 6.68449e+00 234 2010 4 3.36697e+01 1.00410e+01 65 2010 5 nan nan 0 2010 6 2.10829e+01 1.59132e+01 129 2010 7 nan nan 0 2010 8 6.15359e+00 6.36857e+00 82 2010 9 2.73446e+01 4.51823e+00 152 2010 10 1.42584e+01 1.25950e+01 252 2010 11 1.79170e+01 1.19693e+01 292 2010 12 2.47185e+01 1.44719e+01 390 2011 1 2.98683e+01 1.05861e+01 608 2011 2 3.00014e+01 1.11530e+01 334 2011 3 3.16889e+01 6.88928e+00 538 2011 4 3.86223e+01 1.31792e+01 275 2011 5 1.99992e+01 1.07742e+01 68 2011 6 nan nan 0 2011 7 2.14072e+01 9.09442e+00 64 2011 8 2.45649e+01 8.84461e+00 100 2011 9 1.73437e+01 1.41829e+01 165 2011 10 1.73109e+01 9.19709e+00 529 2011 11 1.10293e+01 1.35655e+01 336 2011 12 2.02592e+01 1.46184e+01 478 2012 1 2.26654e+01 1.14755e+01 564 2012 2 2.27996e+01 1.28225e+01 572 2012 3 3.38479e+01 1.61011e+01 405 2012 4 1.13341e+01 1.19050e+01 173 2012 5 1.12807e+01 1.05730e+01 187 2012 6 4.58655e+01 5.85506e-01 41 2012 7 4.87708e+01 1.55793e+00 34 2012 8 4.13438e+01 4.19065e+00 16 2012 9 3.49635e+01 7.13386e+00 206 2012 10 1.22068e+01 1.24657e+01 113 2012 11 1.01416e+01 9.73448e+00 406 2012 12 2.75917e+01 1.17965e+01 447 2013 1 2.84926e+01 6.92399e+00 372 2013 2 3.28249e+01 1.34962e+01 282 2013 3 3.04453e+01 1.92509e+01 246 2013 4 4.21750e+01 5.85012e+00 312 2013 5 2.30916e+01 7.66626e+00 97 2013 6 nan nan 0 2013 7 3.69426e+01 1.27757e+01 39 2013 8 nan nan 0 2013 9 1.96468e+01 9.69928e+00 112 2013 10 2.81745e+01 5.87921e+00 105 2013 11 1.62202e+01 1.42243e+01 521 2013 12 3.08623e+01 6.63972e+00 331 2014 1 4.00123e+01 6.89797e+00 644 2014 2 3.51418e+01 8.10056e+00 580 2014 3 3.82241e+01 1.41859e+01 494 2014 4 4.52418e+01 9.12551e+00 265 2014 5 3.87200e+01 9.15122e+00 111 2014 6 3.91457e+01 4.64912e+00 57 2014 7 3.82543e+01 4.84450e-01 40 2014 8 4.60425e+01 7.94988e+00 55 2014 9 2.70992e+01 9.21783e+00 246 2014 10 1.86504e+01 1.31006e+01 381 2014 11 3.39195e+01 8.73969e+00 560 2014 12 2.16123e+01 1.17865e+01 655 2015 1 4.06291e+01 8.17181e+00 457 2015 2 2.87785e+01 1.21859e+01 324 2015 3 4.11640e+01 1.04435e+01 290 2015 4 3.77574e+01 1.24807e+01 299 2015 5 1.94958e+01 9.13876e+00 53 2015 6 nan nan 0 2015 7 3.54071e+01 4.64639e+00 56 2015 8 2.81055e+01 7.85232e+00 177 2015 9 2.16178e+01 7.92414e+00 186 2015 10 2.22319e+01 1.08924e+01 329 2015 11 1.54901e+01 9.71218e+00 241 2015 12 3.45268e+01 7.92598e+00 436 2016 1 2.88158e+01 1.37392e+01 325 2016 2 3.39290e+01 1.33806e+01 700 2016 3 4.24551e+01 7.19189e+00 232 2016 4 3.88850e+01 7.42076e+00 284 2016 5 3.80679e+01 2.85571e+00 64 2016 6 3.39764e+01 9.44953e-01 47 2016 7 3.60368e+01 5.92108e+00 72 2016 8 nan nan 0 2016 9 2.77003e+01 1.14209e+01 229 2016 10 7.93990e+00 1.15276e+01 250 2016 11 1.76162e+00 3.18945e+00 156 2016 12 3.39180e+01 1.16923e+01 388 2017 1 2.48954e+01 1.51807e+01 529 2017 2 3.14724e+01 9.32011e+00 537 2017 3 3.88193e+01 6.64839e+00 309 2017 4 3.73827e+01 9.23881e+00 161 2017 5 1.66335e+01 1.01503e+01 208 2017 6 4.03428e+01 1.41330e+01 174 2017 7 1.44194e+00 2.36845e+00 54 2017 8 1.76484e+01 4.16815e+00 115 2017 9 1.35488e+01 7.43344e+00 91 2017 10 1.11269e+01 1.11294e+01 193 2017 11 1.55540e+01 5.96343e+00 388 2017 12 2.61806e+01 1.11013e+01 541 2018 1 1.98053e+01 9.50109e+00 376 2018 2 2.59177e+01 1.10032e+01 377 2018 3 1.01681e+01 1.59009e+01 88 2018 4 2.75770e+01 1.41133e+01 198 2018 5 3.61038e+01 8.58119e+00 68 2018 6 3.93260e+01 5.83011e+00 103 2018 7 3.71624e+01 6.03262e+00 60 2018 8 1.67555e+01 7.11003e+00 113 2018 9 3.07554e+01 9.24858e+00 276 2018 10 2.00612e+01 1.32920e+01 329 2018 11 2.56903e+01 1.10416e+01 621 2018 12 3.31406e+01 1.08026e+01 616 2019 1 3.49157e+01 1.02741e+01 827 2019 2 4.17311e+01 9.18140e+00 477 2019 3 4.21230e+01 1.25889e+01 304 2019 4 4.19365e+01 8.98574e+00 299 2019 5 3.95998e+01 5.61411e+00 47 2019 6 nan nan 0 2019 7 nan nan 0 2019 8 3.77804e+01 3.92189e+00 48 2019 9 2.41277e-01 3.27570e-01 28 2019 10 1.56424e+01 1.06659e+01 321 2019 11 1.89934e+01 9.77537e+00 667 2019 12 2.64432e+01 1.26411e+01 645 2020 1 3.24061e+01 9.82728e+00 506 2020 2 4.20322e+01 8.46659e+00 428 2020 3 3.90170e+01 4.88465e+00 170 2020 4 4.73292e+01 9.02259e+00 321 2020 5 4.45457e+01 4.56114e+00 145 2020 6 3.09498e+01 1.44051e+01 116 2020 7 4.64454e+01 3.66175e+00 58 2020 8 4.03466e+01 6.18623e+00 64 2020 9 1.92153e+01 1.87362e+01 169 2020 10 1.90583e+01 1.19736e+01 298 2020 11 3.44259e+01 8.22815e+00 351 2020 12 3.54323e+01 7.62158e+00 652 2021 1 3.98629e+01 7.22845e+00 560 2021 2 3.58617e+01 1.16452e+01 398 2021 3 3.98633e+01 1.11917e+01 384 2021 4 4.85201e+01 6.59395e+00 121 2021 5 3.92272e+01 8.67333e+00 106 2021 6 nan nan 0 2021 7 3.80257e+01 3.48710e+00 102 2021 8 2.72157e+01 5.11387e+00 45 2021 9 1.89027e+01 8.83869e+00 166 2021 10 3.13727e+00 5.23164e+00 152 2021 11 2.56382e+01 1.05387e+01 661 2021 12 3.44434e+01 7.67272e+00 461 2022 1 4.05707e+01 1.01228e+01 770 2022 2 4.07853e+01 9.35498e+00 363 2022 3 4.09435e+01 6.49138e+00 228 2022 4 nan nan 0 2022 5 4.27179e+01 1.64349e+00 54 2022 6 4.90624e+01 1.06375e+01 140 2022 7 nan nan 0 2022 8 4.15163e+01 4.48415e+00 23 2022 9 1.43532e+01 1.27630e+01 106 2022 10 1.38574e+01 9.19612e+00 359 2022 11 2.06190e+01 1.47144e+01 492 2022 12 1.75637e+01 1.28771e+01 918 2023 1 3.17593e+01 1.30938e+01 847 2023 2 4.12206e+01 7.22761e+00 498 2023 3 4.31852e+01 1.14550e+01 515 2023 4 4.68837e+01 8.17005e+00 209 2023 5 3.70425e+01 5.41009e+00 79 2023 6 4.16029e+01 5.58548e-01 33 2023 7 4.35373e+01 4.27245e-01 16 2023 8 3.25806e+01 3.45572e+00 114 2023 9 2.22556e+01 1.46876e+01 218 2023 10 2.83965e+01 4.66480e+00 127 2023 11 3.61873e+01 9.27397e+00 341 2023 12 4.00114e+01 8.43312e+00 506 2024 1 3.85343e+01 1.05770e+01 470 2024 2 2.54598e+01 1.36175e+01 445 2024 3 3.55635e+01 1.23598e+01 351 2024 4 nan nan 0