| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.63 | 0.03 |
| Feb | 0.67 | 0.65 | 0.02 |
| Mar | 1.28 | 1.26 | 0.02 |
| Apr | 2.35 | 2.34 | 0.01 |
| May | 3.23 | 3.15 | 0.08 |
| Jun | 4.41 | 4.30 | 0.11 |
| Jul | 4.08 | 4.04 | 0.04 |
| Aug | 3.69 | 3.95 | -0.26 |
| Sep | 2.84 | 2.83 | 0.01 |
| Oct | 2.46 | 2.40 | 0.06 |
| Nov | 1.16 | 1.11 | 0.05 |
| Dec | 0.78 | 0.79 | -0.01 |
27.61 | 27.45 | 0.16 |