All Tables

• Table 1: IRIS duty cycles (%). (a) annual IRIS; (b) annual partial gap filled IRIS; (c) 4-month summer IRIS ; (d) 4-month summer partial gap filled IRIS. (NB: (1) Values for 1989 start the 1st July. For the 4-month duty cycle values, only July, August and September are used / (2) Values for 1999 ending 30 August. For the 4-month duty cycle values, only June, July and August are used.).