| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.85 | 0.03 |
| Feb | 0.86 | 0.75 | 0.11 |
| Mar | 1.58 | 1.53 | 0.05 |
| Apr | 2.87 | 2.89 | -0.02 |
| May | 4.17 | 4.12 | 0.05 |
| Jun | 5.12 | 5.09 | 0.03 |
| Jul | 4.17 | 4.29 | -0.12 |
| Aug | 4.53 | 4.57 | -0.04 |
| Sep | 3.40 | 3.44 | -0.04 |
| Oct | 2.86 | 2.77 | 0.09 |
| Nov | 1.71 | 1.60 | 0.11 |
| Dec | 1.19 | 1.13 | 0.06 |
33.34 | 33.03 | 0.31 |