Table 1.
Monthly mean air temperatures and total precipitation at Alcalde, New Mexico, USA, from each year of the study period and the long-term (1953–2016) means.
| Month | Temperature, °C | Precipitation, mm | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pre-Year 1 1 | Year 1 | Year 2 | Year 3 | Long-Term Mean | Pre-Year 1 | Year 1 | Year 2 | Year 3 | Long-Term Mean | |
| January | −1.6 | −0.9 | 0.0 | 2.3 | −0.9 | 3 | 12 | 2 | 8 | 10 |
| February | 4.5 | 1.8 | 1.3 | 3.9 | 2.1 | 15 | 23 | 11 | 1 | 9 |
| March | 5.4 | 7.4 | 5.1 | 7.6 | 5.8 | 4 | 0 | 22 | 25 | 13 |
| April | 12.0 | 8.4 | 8.7 | 9.1 | 10.2 | 0 | 25 | 6 | 36 | 15 |
| May | 19.3 | 15.2 | 15.0 | 13.3 | 14.8 | 0 | 51 | 0 | 22 | 19 |
| June | 21.1 | 19.2 | 18.7 | 18.6 | 19.6 | 54 | 28 | 7 | 31 | 20 |
| July | 22.2 | 21.5 | 22.8 | 22.3 | 22.4 | 20 | 37 | 57 | 69 | 35 |
| August | 21.4 | 20.8 | 21.8 | 20.2 | 21.2 | 42 | 55 | 58 | 89 | 48 |
| September | 15.6 | 18.4 | 19.4 | 16.4 | 17.0 | 21 | 30 | 16 | 24 | 32 |
| October | 9.4 | 10.4 | 11.0 | 11.8 | 10.9 | 58 | 10 | 104 | 9 | 26 |
| November | 4.2 | 2.7 | 5.7 | 6.2 | 4.4 | 4 | 12 | 19 | 0 | 16 |
| December | −1.5 | −1.8 | 1.9 | −1.3 | −0.5 | 10 | 14 | 0 | 4 | 12 |
| Mean | 11.0 | 10.3 | 11.0 | 12.0 | 10.6 | 232 | 298 | 300 | 319 | 254 |
1 Pre-Year 1 represents sweet maize production and interseeding of cereal rye and hairy vetch for grazing in Year 1. Likewise Years 1 and 2 represent the same study set up phases for Years 2 and 3, respectively.