| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.30 | 1.34 | -0.04 |
| Feb | 1.57 | 1.57 | 0.00 |
| Mar | 2.28 | 2.21 | 0.07 |
| Apr | 3.76 | 3.58 | 0.18 |
| May | 4.37 | 4.31 | 0.06 |
| Jun | 4.97 | 4.95 | 0.02 |
| Jul | 4.27 | 4.14 | 0.13 |
| Aug | 4.05 | 4.01 | 0.04 |
| Sep | 3.63 | 3.57 | 0.06 |
| Oct | 2.84 | 2.90 | -0.06 |
| Nov | 2.15 | 2.08 | 0.07 |
| Dec | 1.81 | 1.75 | 0.06 |
37.00 | 36.41 | 0.59 |