| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.88 | 3.08 | -0.20 |
| Feb | 2.37 | 2.48 | -0.11 |
| Mar | 3.45 | 3.56 | -0.11 |
| Apr | 4.00 | 3.98 | 0.02 |
| May | 4.23 | 4.17 | 0.06 |
| Jun | 4.34 | 4.51 | -0.17 |
| Jul | 4.40 | 4.41 | -0.01 |
| Aug | 3.55 | 3.40 | 0.15 |
| Sep | 3.09 | 3.16 | -0.07 |
| Oct | 2.85 | 2.87 | -0.02 |
| Nov | 2.81 | 2.88 | -0.07 |
| Dec | 3.00 | 3.08 | -0.08 |
40.97 | 41.58 | -0.61 |