| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.50 | -0.08 |
| Feb | 2.99 | 3.05 | -0.06 |
| Mar | 4.22 | 4.33 | -0.11 |
| Apr | 5.08 | 5.16 | -0.08 |
| May | 5.54 | 5.43 | 0.11 |
| Jun | 4.74 | 4.75 | -0.01 |
| Jul | 4.27 | 4.30 | -0.03 |
| Aug | 3.15 | 3.11 | 0.04 |
| Sep | 3.57 | 3.71 | -0.14 |
| Oct | 3.40 | 3.44 | -0.04 |
| Nov | 3.94 | 4.04 | -0.10 |
| Dec | 3.69 | 3.77 | -0.08 |
48.01 | 48.59 | -0.58 |