| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.79 | 2.15 | -0.36 |
| Feb | 1.69 | 1.81 | -0.12 |
| Mar | 2.41 | 3.00 | -0.59 |
| Apr | 2.41 | 2.70 | -0.29 |
| May | 4.46 | 5.08 | -0.62 |
| Jun | 3.29 | 3.57 | -0.28 |
| Jul | 2.28 | 3.05 | -0.77 |
| Aug | 2.35 | 2.19 | 0.16 |
| Sep | 3.58 | 4.08 | -0.50 |
| Oct | 2.96 | 2.99 | -0.03 |
| Nov | 2.12 | 2.13 | -0.01 |
| Dec | 1.69 | 2.16 | -0.47 |
31.03 | 34.91 | -3.88 |