| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.40 | 1.45 | -0.05 |
| Feb | 1.27 | 1.34 | -0.07 |
| Mar | 1.88 | 1.88 | 0.00 |
| Apr | 3.48 | 3.51 | -0.03 |
| May | 3.86 | 3.82 | 0.04 |
| Jun | 4.78 | 4.72 | 0.06 |
| Jul | 3.88 | 3.96 | -0.08 |
| Aug | 3.94 | 3.73 | 0.21 |
| Sep | 3.29 | 3.22 | 0.07 |
| Oct | 2.86 | 2.85 | 0.01 |
| Nov | 2.14 | 2.01 | 0.13 |
| Dec | 1.64 | 1.65 | -0.01 |
34.42 | 34.14 | 0.28 |