Source of Variation SS df MS F F crit P-value Seasons 3.3750 1 3.3750 1.8447 4.8443 NS Stations 250.4583 11 22.7689 12.4451 2.8179 NS Error 20.1250 11 1.8295       Total 273.9583 23

Table 3: The two-way ANOVA between stations and seasons.