| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.57 | 1.60 | -0.03 |
| Feb | 1.58 | 1.64 | -0.06 |
| Mar | 2.17 | 2.15 | 0.02 |
| Apr | 3.68 | 3.61 | 0.07 |
| May | 4.25 | 4.27 | -0.02 |
| Jun | 5.25 | 5.37 | -0.12 |
| Jul | 3.74 | 3.66 | 0.08 |
| Aug | 3.92 | 4.05 | -0.13 |
| Sep | 3.55 | 3.58 | -0.03 |
| Oct | 2.82 | 2.81 | 0.01 |
| Nov | 2.29 | 2.29 | 0.00 |
| Dec | 1.90 | 1.99 | -0.09 |
36.72 | 37.02 | -0.30 |