| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.08 | 2.03 | 0.05 |
| Feb | 1.83 | 1.91 | -0.08 |
| Mar | 2.53 | 2.61 | -0.08 |
| Apr | 2.45 | 2.44 | 0.01 |
| May | 4.45 | 4.58 | -0.13 |
| Jun | 3.49 | 3.43 | 0.06 |
| Jul | 2.28 | 2.54 | -0.26 |
| Aug | 2.49 | 2.59 | -0.10 |
| Sep | 3.71 | 4.05 | -0.34 |
| Oct | 3.49 | 3.87 | -0.38 |
| Nov | 2.41 | 2.62 | -0.21 |
| Dec | 1.94 | 2.28 | -0.34 |
33.15 | 34.95 | -1.80 |