| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.77 | 1.85 | -0.08 |
| Feb | 1.77 | 1.84 | -0.07 |
| Mar | 2.26 | 2.20 | 0.06 |
| Apr | 3.76 | 3.69 | 0.07 |
| May | 4.59 | 4.78 | -0.19 |
| Jun | 4.61 | 4.69 | -0.08 |
| Jul | 3.90 | 3.89 | 0.01 |
| Aug | 3.84 | 3.93 | -0.09 |
| Sep | 3.51 | 3.47 | 0.04 |
| Oct | 3.19 | 3.18 | 0.01 |
| Nov | 2.42 | 2.43 | -0.01 |
| Dec | 2.06 | 2.07 | -0.01 |
37.68 | 38.02 | -0.34 |