| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.45 | 1.52 | -0.07 |
| Feb | 1.50 | 1.58 | -0.08 |
| Mar | 2.19 | 2.19 | 0.00 |
| Apr | 3.75 | 3.90 | -0.15 |
| May | 4.25 | 4.42 | -0.17 |
| Jun | 5.47 | 5.46 | 0.01 |
| Jul | 4.59 | 4.50 | 0.09 |
| Aug | 4.14 | 4.19 | -0.05 |
| Sep | 3.64 | 3.53 | 0.11 |
| Oct | 2.89 | 2.89 | 0.00 |
| Nov | 2.25 | 2.25 | 0.00 |
| Dec | 1.66 | 1.75 | -0.09 |
37.78 | 38.18 | -0.40 |