| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.48 | 1.55 | -0.07 |
| Feb | 1.56 | 1.58 | -0.02 |
| Mar | 2.06 | 2.07 | -0.01 |
| Apr | 3.57 | 3.56 | 0.01 |
| May | 4.21 | 4.12 | 0.09 |
| Jun | 5.25 | 5.08 | 0.17 |
| Jul | 3.95 | 3.85 | 0.10 |
| Aug | 4.16 | 4.26 | -0.10 |
| Sep | 3.69 | 3.65 | 0.04 |
| Oct | 2.82 | 2.89 | -0.07 |
| Nov | 2.32 | 2.32 | 0.00 |
| Dec | 1.84 | 1.86 | -0.02 |
36.91 | 36.79 | 0.12 |