| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.74 | 0.11 |
| Feb | 0.90 | 0.82 | 0.08 |
| Mar | 1.72 | 1.67 | 0.05 |
| Apr | 3.38 | 3.26 | 0.12 |
| May | 4.44 | 4.60 | -0.16 |
| Jun | 5.12 | 5.14 | -0.02 |
| Jul | 4.27 | 4.33 | -0.06 |
| Aug | 3.95 | 3.94 | 0.01 |
| Sep | 3.41 | 3.59 | -0.18 |
| Oct | 2.49 | 2.52 | -0.03 |
| Nov | 1.56 | 1.48 | 0.08 |
| Dec | 1.14 | 1.08 | 0.06 |
33.23 | 33.17 | 0.06 |