| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.39 | 2.45 | -0.06 |
| Feb | 1.99 | 1.97 | 0.02 |
| Mar | 2.68 | 2.75 | -0.07 |
| Apr | 2.64 | 2.52 | 0.12 |
| May | 4.29 | 4.23 | 0.06 |
| Jun | 3.37 | 3.43 | -0.06 |
| Jul | 2.29 | 1.99 | 0.30 |
| Aug | 2.35 | 2.09 | 0.26 |
| Sep | 3.78 | 3.58 | 0.20 |
| Oct | 3.99 | 3.98 | 0.01 |
| Nov | 2.72 | 2.86 | -0.14 |
| Dec | 2.38 | 2.59 | -0.21 |
34.87 | 34.44 | 0.43 |