| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.09 | 1.16 | -0.07 |
| Feb | 1.03 | 1.06 | -0.03 |
| Mar | 1.76 | 1.75 | 0.01 |
| Apr | 3.16 | 3.23 | -0.07 |
| May | 3.91 | 3.94 | -0.03 |
| Jun | 4.75 | 4.73 | 0.02 |
| Jul | 3.79 | 3.74 | 0.05 |
| Aug | 4.01 | 3.98 | 0.03 |
| Sep | 3.60 | 3.61 | -0.01 |
| Oct | 2.79 | 2.78 | 0.01 |
| Nov | 1.82 | 1.85 | -0.03 |
| Dec | 1.43 | 1.50 | -0.07 |
33.14 | 33.33 | -0.19 |