| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.90 | -0.05 |
| Feb | 0.96 | 1.06 | -0.10 |
| Mar | 1.69 | 1.66 | 0.03 |
| Apr | 2.56 | 2.56 | 0.00 |
| May | 4.12 | 3.97 | 0.15 |
| Jun | 3.44 | 3.45 | -0.01 |
| Jul | 2.43 | 2.49 | -0.06 |
| Aug | 2.88 | 2.95 | -0.07 |
| Sep | 2.59 | 2.66 | -0.07 |
| Oct | 2.47 | 2.53 | -0.06 |
| Nov | 1.50 | 1.42 | 0.08 |
| Dec | 1.09 | 1.03 | 0.06 |
26.58 | 26.68 | -0.10 |