| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.08 | 0.17 |
| Feb | 2.70 | 2.74 | -0.04 |
| Mar | 3.41 | 3.31 | 0.10 |
| Apr | 4.01 | 3.86 | 0.15 |
| May | 4.20 | 4.41 | -0.21 |
| Jun | 4.58 | 4.78 | -0.20 |
| Jul | 4.38 | 4.60 | -0.22 |
| Aug | 4.52 | 4.23 | 0.29 |
| Sep | 4.43 | 4.38 | 0.05 |
| Oct | 4.47 | 4.39 | 0.08 |
| Nov | 3.43 | 3.38 | 0.05 |
| Dec | 3.50 | 3.49 | 0.01 |
46.88 | 46.65 | 0.23 |