| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.49 | -0.02 |
| Feb | 0.55 | 0.56 | -0.01 |
| Mar | 1.21 | 1.22 | -0.01 |
| Apr | 2.08 | 1.99 | 0.09 |
| May | 2.60 | 2.70 | -0.10 |
| Jun | 1.77 | 1.65 | 0.12 |
| Jul | 1.64 | 1.60 | 0.04 |
| Aug | 1.46 | 1.31 | 0.15 |
| Sep | 1.35 | 1.38 | -0.03 |
| Oct | 1.14 | 1.15 | -0.01 |
| Nov | 0.77 | 0.75 | 0.02 |
| Dec | 0.47 | 0.53 | -0.06 |
15.51 | 15.33 | 0.18 |