| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.59 | -0.04 |
| Feb | 0.74 | 0.77 | -0.03 |
| Mar | 1.38 | 1.41 | -0.03 |
| Apr | 2.71 | 2.71 | 0.00 |
| May | 4.50 | 4.50 | 0.00 |
| Jun | 3.94 | 3.71 | 0.23 |
| Jul | 3.65 | 3.57 | 0.08 |
| Aug | 3.34 | 3.41 | -0.07 |
| Sep | 2.05 | 2.07 | -0.02 |
| Oct | 2.14 | 2.07 | 0.07 |
| Nov | 1.20 | 1.21 | -0.01 |
| Dec | 0.84 | 0.88 | -0.04 |
27.04 | 26.90 | 0.14 |