| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.77 | -0.19 |
| Feb | 2.08 | 2.26 | -0.18 |
| Mar | 2.78 | 2.86 | -0.08 |
| Apr | 3.53 | 3.67 | -0.14 |
| May | 3.85 | 3.88 | -0.03 |
| Jun | 4.01 | 4.01 | 0.00 |
| Jul | 3.80 | 3.82 | -0.02 |
| Aug | 3.55 | 3.58 | -0.03 |
| Sep | 3.67 | 3.70 | -0.03 |
| Oct | 3.36 | 3.38 | -0.02 |
| Nov | 3.01 | 2.96 | 0.05 |
| Dec | 2.67 | 2.78 | -0.11 |
38.89 | 39.67 | -0.78 |