| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 0.96 | -0.03 |
| Feb | 1.08 | 1.15 | -0.07 |
| Mar | 1.86 | 1.85 | 0.01 |
| Apr | 2.68 | 2.75 | -0.07 |
| May | 4.27 | 3.99 | 0.28 |
| Jun | 3.65 | 3.63 | 0.02 |
| Jul | 2.39 | 2.45 | -0.06 |
| Aug | 2.81 | 2.75 | 0.06 |
| Sep | 2.69 | 2.59 | 0.10 |
| Oct | 2.57 | 2.63 | -0.06 |
| Nov | 1.56 | 1.51 | 0.05 |
| Dec | 1.19 | 1.16 | 0.03 |
27.68 | 27.42 | 0.26 |