| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.70 | -0.01 |
| Feb | 0.86 | 0.83 | 0.03 |
| Mar | 1.55 | 1.50 | 0.05 |
| Apr | 2.63 | 2.68 | -0.05 |
| May | 4.88 | 5.05 | -0.17 |
| Jun | 4.23 | 4.35 | -0.12 |
| Jul | 3.89 | 3.85 | 0.04 |
| Aug | 3.33 | 3.41 | -0.08 |
| Sep | 2.67 | 2.91 | -0.24 |
| Oct | 2.23 | 2.36 | -0.13 |
| Nov | 1.28 | 1.31 | -0.03 |
| Dec | 1.05 | 0.99 | 0.06 |
29.29 | 29.94 | -0.65 |