| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.85 | 1.89 | -0.04 |
| Feb | 1.88 | 1.95 | -0.07 |
| Mar | 2.47 | 2.55 | -0.08 |
| Apr | 3.97 | 3.96 | 0.01 |
| May | 4.86 | 5.01 | -0.15 |
| Jun | 4.67 | 4.57 | 0.10 |
| Jul | 4.06 | 3.91 | 0.15 |
| Aug | 3.59 | 3.45 | 0.14 |
| Sep | 3.67 | 3.60 | 0.07 |
| Oct | 3.16 | 3.01 | 0.15 |
| Nov | 2.63 | 2.61 | 0.02 |
| Dec | 2.04 | 2.21 | -0.17 |
38.85 | 38.72 | 0.13 |