| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.94 | -0.03 |
| Feb | 0.99 | 1.03 | -0.04 |
| Mar | 1.85 | 1.85 | 0.00 |
| Apr | 3.28 | 3.02 | 0.26 |
| May | 4.44 | 4.40 | 0.04 |
| Jun | 5.44 | 5.25 | 0.19 |
| Jul | 4.52 | 4.39 | 0.13 |
| Aug | 4.70 | 4.63 | 0.07 |
| Sep | 3.65 | 3.58 | 0.07 |
| Oct | 2.61 | 2.52 | 0.09 |
| Nov | 1.71 | 1.68 | 0.03 |
| Dec | 1.20 | 1.28 | -0.08 |
35.30 | 34.57 | 0.73 |