| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.71 | 0.00 |
| Feb | 0.91 | 0.87 | 0.04 |
| Mar | 1.62 | 1.60 | 0.02 |
| Apr | 2.72 | 2.76 | -0.04 |
| May | 4.81 | 4.86 | -0.05 |
| Jun | 4.35 | 4.51 | -0.16 |
| Jul | 4.08 | 4.07 | 0.01 |
| Aug | 3.32 | 3.45 | -0.13 |
| Sep | 2.84 | 2.90 | -0.06 |
| Oct | 2.26 | 2.26 | 0.00 |
| Nov | 1.27 | 1.32 | -0.05 |
| Dec | 1.01 | 1.02 | -0.01 |
29.90 | 30.33 | -0.43 |