Advances in Meteorology / 2019 / Article / Tab 3

Research Article

A Comprehensive Analysis of the Changes in Precipitation Patterns over Beijing during 1960–2012

Table 3

Trend test results of the monthly, seasonal, and annual precipitation during 1960–2012 tested by the M-K method and Sen’s slope method. The uncertainty range covered from 5% to 95% between the minimum and maximum values of Sen’s slope.

Z valueSen’s slope (mm/a)MinimumMaximum

Jan−1.695−0.009−0.0180
Feb−1.918−0.043−0.113−0.007
Mar−1.036−0.055−0.1110.067
Apr1.3650.148−0.0600.265
May2.1790.3790.1460.476
Jun1.2890.465−0.3750.724
Jul−1.971−1.227−2.200−0.122
Aug−2.148−1.401−3.250−0.892
Sep0.9050.248−0.3500.550
Oct0.7210.099−0.2250.207
Nov0.7440.037−0.0770.075
Dec1.2040.011−0.0050.033
Spring2.0860.5350.0251.025
Summer−2.202−2.150−4.136−0.344
Autumn1.2430.569−0.3041.250
Winter0.1840.007−0.1340.102
Annual−0.767−0.861−3.1591.344

Note. Statistically significant trends at the 10% and 5% significance levels, respectively.

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