| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 0.95 | 0.01 |
| Feb | 1.01 | 0.96 | 0.05 |
| Mar | 1.87 | 1.83 | 0.04 |
| Apr | 3.23 | 3.21 | 0.02 |
| May | 4.33 | 4.19 | 0.14 |
| Jun | 5.22 | 5.35 | -0.13 |
| Jul | 4.22 | 4.16 | 0.06 |
| Aug | 4.58 | 4.65 | -0.07 |
| Sep | 3.65 | 3.64 | 0.01 |
| Oct | 2.53 | 2.43 | 0.10 |
| Nov | 1.72 | 1.65 | 0.07 |
| Dec | 1.24 | 1.21 | 0.03 |
34.56 | 34.23 | 0.33 |