| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.51 | -0.02 |
| Feb | 2.10 | 1.99 | 0.11 |
| Mar | 2.62 | 2.78 | -0.16 |
| Apr | 2.72 | 2.44 | 0.28 |
| May | 4.57 | 4.67 | -0.10 |
| Jun | 3.38 | 3.47 | -0.09 |
| Jul | 2.17 | 2.10 | 0.07 |
| Aug | 2.43 | 2.33 | 0.10 |
| Sep | 3.54 | 3.46 | 0.08 |
| Oct | 4.17 | 4.15 | 0.02 |
| Nov | 2.82 | 2.74 | 0.08 |
| Dec | 2.59 | 2.72 | -0.13 |
35.60 | 35.36 | 0.24 |