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 4.65081e-01 8.77450e-01 16 2002 8 8.52992e+00 4.19055e+00 20 2002 9 5.35537e-01 3.25909e-01 21 2002 10 2.05379e+00 1.75570e+00 23 2002 11 4.27678e-01 1.92687e-01 6 2002 12 2.89849e-01 2.08400e-01 6 2003 1 1.10923e-02 7.17729e-02 89 2003 2 5.54513e-02 1.23717e-01 100 2003 3 2.35141e-06 4.62943e-06 18 2003 4 1.64457e-08 2.87373e-08 19 2003 5 nan nan 0 2003 6 3.33074e-02 3.33074e-02 2 2003 7 5.50668e-09 7.69292e-09 3 2003 8 2.31980e-09 3.66614e-09 4 2003 9 3.17759e-07 3.26352e-07 12 2003 10 1.52782e+00 3.86009e+00 44 2003 11 3.38722e+00 9.20669e+00 74 2003 12 1.50807e-02 2.53567e-02 70 2004 1 2.40481e-01 3.01873e-01 52 2004 2 8.11732e-03 1.33178e-02 41 2004 3 2.40208e-02 6.69883e-02 35 2004 4 5.33884e-03 4.66040e-03 12 2004 5 9.71921e-01 4.33770e-01 4 2004 6 nan nan 0 2004 7 7.05315e-03 1.41177e-02 18 2004 8 4.99699e-01 3.95841e-01 20 2004 9 7.50238e-03 1.54580e-03 4 2004 10 4.05106e+00 1.02048e+01 15 2004 11 9.73999e+00 9.77589e+00 20 2004 12 2.39435e-02 2.17785e-01 84 2005 1 3.95892e-01 2.21631e+00 35 2005 2 1.29967e-03 3.95560e-03 23 2005 3 6.42901e-03 1.13586e-02 55 2005 4 2.66352e-05 6.48287e-05 35 2005 5 nan nan 0 2005 6 1.00108e+00 1.59123e+00 34 2005 7 5.07841e+00 8.40400e+00 36 2005 8 nan nan 0 2005 9 nan nan 0 2005 10 6.63190e-01 1.57910e+00 47 2005 11 2.27193e+00 3.48077e+00 71 2005 12 2.88696e-03 3.58380e-03 46 2006 1 3.70440e-02 4.77212e-02 55 2006 2 3.62159e-01 1.05953e+00 98 2006 3 1.29511e-01 2.02478e-01 108 2006 4 5.55049e-02 6.07459e-02 32 2006 5 1.14613e+00 3.57377e-01 21 2006 6 4.34271e-01 7.25581e-01 24 2006 7 nan nan 0 2006 8 2.89893e-02 0.00000e+00 3 2006 9 5.27915e-01 4.73222e-01 35 2006 10 1.38371e-01 1.55382e-01 75 2006 11 5.83904e-01 8.12110e-01 104 2006 12 6.76132e-01 1.36173e+00 69 2007 1 1.84437e-01 1.00151e+00 31 2007 2 4.39407e-02 4.26911e-02 52 2007 3 8.27958e-02 1.41742e-01 42 2007 4 1.94061e+00 1.90564e+00 36 2007 5 5.02389e-02 9.43902e-02 20 2007 6 nan nan 0 2007 7 1.84303e+00 2.36225e+00 28 2007 8 4.15577e-02 6.79445e-02 22 2007 9 6.51015e+00 2.87803e+00 9 2007 10 6.30812e+00 9.81709e+00 49 2007 11 4.98852e-02 1.23350e-01 39 2007 12 5.48729e-01 1.28940e+00 68 2008 1 3.85719e-02 1.03787e-01 56 2008 2 8.06441e-05 1.49446e-04 51 2008 3 3.36840e-09 0.00000e+00 1 2008 4 7.19634e-01 2.26146e+00 22 2008 5 2.15954e-05 1.29418e-06 2 2008 6 5.17664e-01 1.57714e+00 18 2008 7 nan nan 0 2008 8 2.89483e-03 0.00000e+00 1 2008 9 3.32975e+00 3.55332e+00 7 2008 10 3.28998e-01 4.50222e-01 62 2008 11 3.65145e+00 4.32020e+00 79 2008 12 1.17712e+00 1.69126e+00 43 2009 1 7.66031e-01 3.68661e+00 49 2009 2 5.77968e-04 1.54635e-03 25 2009 3 1.39484e+00 2.35313e+00 21 2009 4 9.81867e-21 1.88069e-20 13 2009 5 1.19645e-04 1.88903e-04 18 2009 6 nan nan 0 2009 7 nan nan 0 2009 8 nan nan 0 2009 9 nan nan 0 2009 10 1.59847e+00 3.51532e+00 40 2009 11 3.19995e-01 1.42411e-01 8 2009 12 4.00574e-13 4.61046e-13 12 2010 1 1.30917e-05 1.78777e-05 42 2010 2 1.53033e-07 3.22433e-07 83 2010 3 2.15514e-08 3.07578e-08 34 2010 4 2.49878e-04 2.06759e-04 10 2010 5 nan nan 0 2010 6 8.46165e-01 1.15266e+00 21 2010 7 3.82071e+00 7.76136e+00 21 2010 8 nan nan 0 2010 9 9.04560e-01 1.14717e+00 44 2010 10 1.56607e+00 4.06460e+00 54 2010 11 3.57716e+00 6.52621e+00 53 2010 12 7.71330e-01 2.58891e+00 111 2011 1 3.06198e-01 2.54696e-01 82 2011 2 6.54416e-02 8.66904e-02 67 2011 3 1.00468e+00 2.56274e+00 85 2011 4 2.15808e+00 2.81281e+00 26 2011 5 1.47902e+00 1.56926e+00 33 2011 6 1.66427e+00 1.88624e+00 10 2011 7 2.28579e+00 2.84116e+00 41 2011 8 5.36961e-02 4.05478e-02 6 2011 9 5.23010e+00 1.10429e+01 51 2011 10 3.41151e+00 7.72545e+00 63 2011 11 9.04562e+00 1.08292e+01 47 2011 12 2.02247e+00 1.98782e+00 64 2012 1 2.44915e-01 3.52171e-01 93 2012 2 9.89336e-04 2.07589e-03 7 2012 3 1.78935e-08 0.00000e+00 1 2012 4 9.72151e-02 0.00000e+00 1 2012 5 1.82737e-06 6.70558e-06 15 2012 6 1.17854e+01 6.96067e+00 16 2012 7 5.33951e-01 9.93858e-01 17 2012 8 5.24764e-03 5.24764e-03 4 2012 9 nan nan 0 2012 10 1.83276e+00 3.87730e+00 60 2012 11 1.90340e-01 7.59736e-01 30 2012 12 8.01519e-01 1.12206e+00 128 2013 1 1.90410e-02 2.01970e-02 38 2013 2 5.85538e-02 4.43128e-02 41 2013 3 1.81379e-09 5.44971e-09 22 2013 4 1.04061e-07 7.35819e-08 3 2013 5 2.29274e-01 2.24440e-01 7 2013 6 1.32228e+00 7.68057e-02 4 2013 7 nan nan 0 2013 8 nan nan 0 2013 9 nan nan 0 2013 10 3.64316e-04 1.92293e-04 14 2013 11 2.41140e-01 4.17824e-01 39 2013 12 2.88971e-01 4.08659e-01 6 2014 1 2.25430e-10 6.10038e-10 32 2014 2 4.55296e-01 9.36395e-01 70 2014 3 2.25109e-03 1.03325e-02 47 2014 4 1.98624e-05 1.12996e-05 15 2014 5 3.16466e-22 0.00000e+00 1 2014 6 3.35846e+00 3.47119e+00 30 2014 7 9.70679e-02 5.30596e-02 13 2014 8 nan nan 0 2014 9 6.56387e+00 1.65712e+00 5 2014 10 1.57315e+00 4.32227e+00 79 2014 11 7.89704e-01 1.39454e+00 39 2014 12 1.21873e-02 1.49384e-02 40 2015 1 5.57292e-03 3.36228e-02 75 2015 2 3.64429e-01 1.57121e+00 44 2015 3 1.52261e+00 4.84844e+00 21 2015 4 5.65805e-01 5.31572e-01 13 2015 5 2.08671e+00 6.59648e+00 11 2015 6 5.91308e-01 5.10863e-01 7 2015 7 2.39333e+00 1.64880e+00 19 2015 8 nan nan 0 2015 9 5.80891e+00 6.87845e+00 22 2015 10 1.45217e-02 4.61400e-02 29 2015 11 1.97173e+01 1.99466e+01 16 2015 12 nan nan 0 2016 1 2.44360e-04 3.81701e-04 7 2016 2 3.12975e-03 1.73638e-02 115 2016 3 8.33269e-03 2.99691e-02 56 2016 4 nan nan 0 2016 5 3.85686e-08 0.00000e+00 1 2016 6 2.58910e-02 2.40985e-02 5 2016 7 1.70349e+00 2.03152e+00 50 2016 8 4.33068e+00 4.55802e+00 22 2016 9 8.91334e-02 1.74291e-01 31 2016 10 2.60909e+00 3.72485e+00 67 2016 11 1.50322e+00 2.93028e+00 37 2016 12 7.22265e+00 9.81763e+00 45 2017 1 1.32389e-06 5.78216e-06 64 2017 2 4.26226e-05 7.23853e-05 46 2017 3 2.00176e+00 2.00175e+00 2 2017 4 4.83336e-04 5.11636e-04 7 2017 5 2.53550e-01 1.79338e-01 6 2017 6 nan nan 0 2017 7 1.50390e-02 2.55678e-02 41 2017 8 1.37176e-05 0.00000e+00 2 2017 9 5.35611e-01 2.89933e-01 19 2017 10 2.76089e+00 3.98688e+00 38 2017 11 7.11898e+00 1.12056e+01 31 2017 12 2.80400e+00 5.01944e+00 21 2018 1 3.53482e-01 7.21853e-01 73 2018 2 7.35341e-02 1.19712e-01 18 2018 3 7.91680e-04 3.44784e-04 7 2018 4 3.20453e-01 5.43981e-01 4 2018 5 5.95071e-04 0.00000e+00 2 2018 6 1.04559e+01 0.00000e+00 1 2018 7 1.28124e+01 7.91687e+00 37 2018 8 2.82328e-03 2.99382e-03 24 2018 9 2.90248e+00 3.08812e+00 27 2018 10 5.96682e+00 8.98323e+00 33 2018 11 3.51038e-05 7.02353e-05 16 2018 12 2.81666e-09 3.21651e-09 11 2019 1 9.79636e-02 4.21320e-01 39 2019 2 1.12051e-12 6.87594e-13 3 2019 3 2.46405e-03 7.75118e-03 22 2019 4 2.61991e-04 3.53503e-04 18 2019 5 1.38822e-01 2.48308e-01 27 2019 6 1.43285e+00 1.70009e+00 11 2019 7 1.31851e-02 6.98097e-03 5 2019 8 nan nan 0 2019 9 3.72771e+00 4.06271e+00 22 2019 10 8.90682e-01 1.31334e+00 54 2019 11 3.56481e-01 1.00396e+00 40 2019 12 4.84209e-01 7.80837e-01 48 2020 1 4.58268e-01 6.57600e-01 40 2020 2 8.94516e-05 3.53922e-04 57 2020 3 2.17445e-13 0.00000e+00 1 2020 4 1.61841e+00 5.78858e-01 4 2020 5 3.03923e-11 0.00000e+00 1 2020 6 5.24634e+00 4.38936e-01 10 2020 7 6.60101e-02 6.12494e-02 27 2020 8 nan nan 0 2020 9 1.08757e-08 2.96090e-08 10 2020 10 5.31621e-02 9.66536e-02 28 2020 11 1.36478e+00 2.30763e+00 4 2020 12 2.77221e-01 9.06073e-01 33 2021 1 6.40262e-04 2.60776e-03 18 2021 2 1.32527e-04 2.06782e-04 74 2021 3 9.74124e-01 5.42029e+00 45 2021 4 6.26556e-03 1.30425e-02 33 2021 5 nan nan 0 2021 6 nan nan 0 2021 7 1.38205e-05 3.71745e-06 7 2021 8 1.27709e+01 0.00000e+00 2 2021 9 1.42342e+01 1.32121e+01 12 2021 10 nan nan 0 2021 11 2.05391e-03 5.61849e-03 9 2021 12 7.08854e+00 7.89192e+00 37 2022 1 8.69602e-01 1.94463e+00 51 2022 2 2.54162e-01 9.40140e-01 47 2022 3 9.35198e-01 2.37330e+00 78 2022 4 4.31646e-09 0.00000e+00 1 2022 5 1.07612e+00 8.99775e-01 12 2022 6 2.46424e-10 2.46420e-10 2 2022 7 2.00491e+00 1.48454e+00 26 2022 8 7.40429e+00 6.17851e+00 20 2022 9 2.24053e+00 5.73231e+00 34 2022 10 8.37540e-01 1.76253e+00 104 2022 11 6.61738e+00 7.27797e+00 69 2022 12 4.52245e+00 1.00425e+01 56 2023 1 6.05821e-01 1.24630e+00 117 2023 2 1.02463e-01 3.22312e-01 116 2023 3 1.09335e+00 1.94884e+00 52 2023 4 1.90502e-05 2.74780e-05 6 2023 5 4.88823e+00 6.75181e+00 10 2023 6 1.32473e+01 3.05723e+00 17 2023 7 2.72322e+00 3.01308e+00 34 2023 8 2.03242e+00 3.04831e+00 17 2023 9 2.65520e-01 3.37667e-01 42 2023 10 6.90560e+00 6.83947e+00 116 2023 11 1.03364e+00 1.40417e+00 83 2023 12 1.04703e-02 2.00171e-02 35 2024 1 2.40227e-04 4.26176e-04 53 2024 2 4.41757e-02 1.03473e-01 64 2024 3 6.03239e-05 9.32759e-05 16 2024 4 nan nan 0