| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.07 | -0.01 |
| Feb | 2.67 | 2.78 | -0.11 |
| Mar | 4.03 | 3.99 | 0.04 |
| Apr | 3.30 | 3.26 | 0.04 |
| May | 3.84 | 4.09 | -0.25 |
| Jun | 4.28 | 4.32 | -0.04 |
| Jul | 4.48 | 4.53 | -0.05 |
| Aug | 4.34 | 4.37 | -0.03 |
| Sep | 4.60 | 4.49 | 0.11 |
| Oct | 3.86 | 4.10 | -0.24 |
| Nov | 3.14 | 3.18 | -0.04 |
| Dec | 3.70 | 3.67 | 0.03 |
45.30 | 45.85 | -0.55 |