| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.34 | 0.06 |
| Feb | 2.00 | 1.88 | 0.12 |
| Mar | 2.78 | 2.71 | 0.07 |
| Apr | 2.59 | 2.59 | 0.00 |
| May | 4.26 | 4.33 | -0.07 |
| Jun | 3.54 | 3.53 | 0.01 |
| Jul | 2.37 | 2.33 | 0.04 |
| Aug | 2.47 | 2.43 | 0.04 |
| Sep | 3.66 | 3.94 | -0.28 |
| Oct | 4.33 | 4.30 | 0.03 |
| Nov | 2.68 | 2.95 | -0.27 |
| Dec | 2.39 | 2.50 | -0.11 |
35.47 | 35.83 | -0.36 |