| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 1.04 | -0.07 |
| Feb | 1.46 | 1.49 | -0.03 |
| Mar | 2.32 | 2.35 | -0.03 |
| Apr | 3.78 | 3.94 | -0.16 |
| May | 5.09 | 5.28 | -0.19 |
| Jun | 5.45 | 5.36 | 0.09 |
| Jul | 4.19 | 4.17 | 0.02 |
| Aug | 4.38 | 4.39 | -0.01 |
| Sep | 3.77 | 3.95 | -0.18 |
| Oct | 3.08 | 3.16 | -0.08 |
| Nov | 2.03 | 2.04 | -0.01 |
| Dec | 1.58 | 1.63 | -0.05 |
38.10 | 38.80 | -0.70 |