The Reproductive Biology of the Softshell Clam, Mya arenaria, in Ireland, and the Possible Impacts of Climate Variability

Table 1

The mean, minimum, and maximum monthly water temperatures and degree days per month, recorded by a continuous temperature monitor in Bannow Bay from June 2010 to June 2011.

Month	Mean temperature	Minimum temperature	Maximum temperature	Degree days/month
Jun-10	18.21	10.34	27.97	546.3
Jul-10	17.7	13.51	27.31	548.7
Aug-10	16.89	9.48	26.32	523.59
Sep-10	15.59	8.62	24.06	467.7
Oct-10	12.59	5.73	18.21	390.29
Nov-10	7.31	−1.35	16.43	219.3
Dec-10	3.75	−1.66	8.33	116.25
Jan-11	5.66	−0.44	9.48	175.46
Feb-11	8.16	4.6	11.8	228.48
Mar-11	9.2	4.9	16	285.2
Apr-11	13	8	22.2	403
May-11	13.5	8.6	20.6	418.5
Jun-11	15.1	10.3	26.4	453