From: Temperate climate malaria in nineteenth century Denmark
Time period in previous year | Spearman coefficient | |||
---|---|---|---|---|
Annual incidence and temperature | May incidence and temperature | Annual incidence and precipitation | May incidence and precipitation | |
Month | ||||
 January | − 0.24 | − 0.09 | 0.34 | − 0.25 |
 February | − 0.22 | − 0.24 | − 0.22 | − 0.25 |
 March | 0.44 | 0.40 | 0.14 | 0.16 |
 April | − 0.11 | 0.00 | − 0.02 | − 0.11 |
 May | 0.12 | 0.12 | − 0.10 | − 0.02 |
 June | 0.26 | 0.38 | 0.08 | − 0.03 |
 July | 0.58* | 0.66* | 0.11 | 0.02 |
 August | 0.50* | 0.57* | − 0.34 | − 0.23 |
 September | 0.17 | − 0.33 | 0.23 | 0.04 |
 October | − 0.04 | − 0.03 | 0.23 | 0.23 |
 November | − 0.14 | 0.02 | − 0.09 | − 0.04 |
 December | − 0.01 | 0.05 | 0.16 | 0.09 |
Season | ||||
 Spring (M,A,M) | 0.19 | 0.20 | − 0.01 | 0.01 |
 Summer (J,J,A) | 0.53* | 0.69* | − 0.10 | − 0.19 |
 Autumn (S,O,N) | − 0.16 | − 0.10 | 0.23 | 0.17 |
 Winter (D,J,F) | − 0.45* | − 0.41 | − 0.17 | − 0.18 |