| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.57 | 0.01 |
| Feb | 2.88 | 2.72 | 0.16 |
| Mar | 4.16 | 4.06 | 0.10 |
| Apr | 3.48 | 3.58 | -0.10 |
| May | 3.61 | 3.57 | 0.04 |
| Jun | 4.67 | 4.47 | 0.20 |
| Jul | 5.10 | 5.04 | 0.06 |
| Aug | 4.88 | 4.77 | 0.11 |
| Sep | 5.09 | 5.16 | -0.07 |
| Oct | 3.56 | 3.54 | 0.02 |
| Nov | 3.42 | 3.26 | 0.16 |
| Dec | 3.54 | 3.49 | 0.05 |
47.97 | 47.23 | 0.74 |