| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.81 | 2.02 | -0.21 |
| Feb | 1.78 | 1.88 | -0.10 |
| Mar | 2.36 | 2.55 | -0.19 |
| Apr | 3.63 | 3.78 | -0.15 |
| May | 4.67 | 4.69 | -0.02 |
| Jun | 4.29 | 4.13 | 0.16 |
| Jul | 3.85 | 3.78 | 0.07 |
| Aug | 3.61 | 3.51 | 0.10 |
| Sep | 3.41 | 3.36 | 0.05 |
| Oct | 2.98 | 3.06 | -0.08 |
| Nov | 2.46 | 2.55 | -0.09 |
| Dec | 2.05 | 2.06 | -0.01 |
36.90 | 37.37 | -0.47 |