| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.86 | 1.86 | 0.00 |
| Feb | 1.88 | 1.89 | -0.01 |
| Mar | 2.46 | 2.38 | 0.08 |
| Apr | 3.79 | 3.72 | 0.07 |
| May | 4.91 | 4.77 | 0.14 |
| Jun | 4.61 | 4.45 | 0.16 |
| Jul | 3.80 | 3.98 | -0.18 |
| Aug | 3.65 | 3.55 | 0.10 |
| Sep | 3.52 | 3.50 | 0.02 |
| Oct | 3.01 | 2.90 | 0.11 |
| Nov | 2.53 | 2.51 | 0.02 |
| Dec | 2.07 | 2.09 | -0.02 |
38.09 | 37.60 | 0.49 |