| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 0.74 | 0.16 |
| Feb | 0.94 | 0.82 | 0.12 |
| Mar | 1.85 | 1.73 | 0.12 |
| Apr | 3.48 | 3.31 | 0.17 |
| May | 4.53 | 4.55 | -0.02 |
| Jun | 5.28 | 5.32 | -0.04 |
| Jul | 4.60 | 4.58 | 0.02 |
| Aug | 4.14 | 4.19 | -0.05 |
| Sep | 3.56 | 3.64 | -0.08 |
| Oct | 2.56 | 2.56 | 0.00 |
| Nov | 1.62 | 1.40 | 0.22 |
| Dec | 1.19 | 1.10 | 0.09 |
34.65 | 33.94 | 0.71 |