| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.55 | 1.48 | 0.07 |
| Feb | 1.18 | 1.21 | -0.03 |
| Mar | 1.66 | 1.73 | -0.07 |
| Apr | 2.69 | 2.72 | -0.03 |
| May | 3.23 | 3.23 | 0.00 |
| Jun | 3.40 | 3.53 | -0.13 |
| Jul | 3.58 | 3.64 | -0.06 |
| Aug | 3.00 | 3.07 | -0.07 |
| Sep | 3.54 | 3.54 | 0.00 |
| Oct | 3.46 | 3.50 | -0.04 |
| Nov | 2.23 | 2.20 | 0.03 |
| Dec | 1.81 | 1.82 | -0.01 |
31.33 | 31.67 | -0.34 |