| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.76 | -0.07 |
| Feb | 0.80 | 0.85 | -0.05 |
| Mar | 1.43 | 1.54 | -0.11 |
| Apr | 2.74 | 2.82 | -0.08 |
| May | 4.01 | 4.12 | -0.11 |
| Jun | 4.38 | 4.37 | 0.01 |
| Jul | 3.98 | 4.13 | -0.15 |
| Aug | 3.97 | 4.05 | -0.08 |
| Sep | 3.19 | 3.23 | -0.04 |
| Oct | 2.71 | 2.72 | -0.01 |
| Nov | 1.45 | 1.54 | -0.09 |
| Dec | 0.99 | 1.11 | -0.12 |
30.34 | 31.24 | -0.90 |