| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.47 | 0.02 |
| Feb | 1.91 | 2.05 | -0.14 |
| Mar | 2.51 | 2.58 | -0.07 |
| Apr | 3.75 | 3.74 | 0.01 |
| May | 4.43 | 4.44 | -0.01 |
| Jun | 4.39 | 4.31 | 0.08 |
| Jul | 4.02 | 3.96 | 0.06 |
| Aug | 3.91 | 3.80 | 0.11 |
| Sep | 3.14 | 3.04 | 0.10 |
| Oct | 2.95 | 2.86 | 0.09 |
| Nov | 2.98 | 2.96 | 0.02 |
| Dec | 2.40 | 2.33 | 0.07 |
38.88 | 38.54 | 0.34 |