| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.55 | -0.01 |
| Feb | 0.43 | 0.40 | 0.03 |
| Mar | 0.62 | 0.65 | -0.03 |
| Apr | 1.03 | 0.94 | 0.09 |
| May | 2.31 | 2.28 | 0.03 |
| Jun | 3.50 | 3.51 | -0.01 |
| Jul | 2.53 | 2.70 | -0.17 |
| Aug | 1.68 | 1.65 | 0.03 |
| Sep | 1.64 | 1.59 | 0.05 |
| Oct | 1.12 | 1.11 | 0.01 |
| Nov | 0.66 | 0.67 | -0.01 |
| Dec | 0.56 | 0.50 | 0.06 |
16.62 | 16.55 | 0.07 |