| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.72 | -0.04 |
| Feb | 0.68 | 0.71 | -0.03 |
| Mar | 1.16 | 1.21 | -0.05 |
| Apr | 2.01 | 2.14 | -0.13 |
| May | 3.13 | 3.25 | -0.12 |
| Jun | 4.35 | 4.22 | 0.13 |
| Jul | 4.14 | 4.13 | 0.01 |
| Aug | 3.24 | 3.26 | -0.02 |
| Sep | 2.98 | 3.01 | -0.03 |
| Oct | 2.71 | 2.76 | -0.05 |
| Nov | 1.18 | 1.23 | -0.05 |
| Dec | 0.90 | 0.96 | -0.06 |
27.16 | 27.60 | -0.44 |