| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.23 | 0.00 |
| Feb | 2.67 | 2.69 | -0.02 |
| Mar | 3.72 | 3.77 | -0.05 |
| Apr | 4.43 | 4.49 | -0.06 |
| May | 4.63 | 4.74 | -0.11 |
| Jun | 4.82 | 4.62 | 0.20 |
| Jul | 3.99 | 4.04 | -0.05 |
| Aug | 3.34 | 3.23 | 0.11 |
| Sep | 3.09 | 2.99 | 0.10 |
| Oct | 3.18 | 3.08 | 0.10 |
| Nov | 3.07 | 3.05 | 0.02 |
| Dec | 3.35 | 3.36 | -0.01 |
43.52 | 43.29 | 0.23 |