| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.78 | 0.00 |
| Feb | 0.82 | 0.85 | -0.03 |
| Mar | 1.45 | 1.49 | -0.04 |
| Apr | 2.66 | 2.70 | -0.04 |
| May | 3.58 | 3.61 | -0.03 |
| Jun | 4.44 | 4.41 | 0.03 |
| Jul | 4.43 | 4.51 | -0.08 |
| Aug | 3.88 | 4.00 | -0.12 |
| Sep | 3.23 | 3.39 | -0.16 |
| Oct | 3.05 | 3.06 | -0.01 |
| Nov | 1.59 | 1.60 | -0.01 |
| Dec | 1.12 | 1.20 | -0.08 |
31.03 | 31.60 | -0.57 |