| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.13 | 0.09 |
| Feb | 1.77 | 1.81 | -0.04 |
| Mar | 2.67 | 2.53 | 0.14 |
| Apr | 2.49 | 2.44 | 0.05 |
| May | 4.04 | 3.86 | 0.18 |
| Jun | 3.33 | 3.45 | -0.12 |
| Jul | 2.14 | 2.50 | -0.36 |
| Aug | 2.40 | 2.34 | 0.06 |
| Sep | 3.39 | 3.42 | -0.03 |
| Oct | 3.33 | 3.84 | -0.51 |
| Nov | 2.49 | 2.58 | -0.09 |
| Dec | 2.39 | 2.46 | -0.07 |
32.66 | 33.36 | -0.70 |