| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.50 | -0.11 |
| Feb | 3.12 | 3.15 | -0.03 |
| Mar | 3.45 | 3.58 | -0.13 |
| Apr | 3.48 | 3.45 | 0.03 |
| May | 3.68 | 3.68 | 0.00 |
| Jun | 4.93 | 4.85 | 0.08 |
| Jul | 5.46 | 5.14 | 0.32 |
| Aug | 5.43 | 5.50 | -0.07 |
| Sep | 5.85 | 5.74 | 0.11 |
| Oct | 3.29 | 3.40 | -0.11 |
| Nov | 3.24 | 3.38 | -0.14 |
| Dec | 3.40 | 3.43 | -0.03 |
48.72 | 48.80 | -0.08 |