| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.73 | -0.05 |
| Feb | 0.78 | 0.86 | -0.08 |
| Mar | 1.41 | 1.43 | -0.02 |
| Apr | 2.74 | 2.84 | -0.10 |
| May | 3.97 | 4.10 | -0.13 |
| Jun | 4.53 | 4.46 | 0.07 |
| Jul | 3.85 | 3.88 | -0.03 |
| Aug | 4.02 | 4.28 | -0.26 |
| Sep | 3.26 | 3.29 | -0.03 |
| Oct | 2.53 | 2.56 | -0.03 |
| Nov | 1.41 | 1.47 | -0.06 |
| Dec | 1.00 | 1.08 | -0.08 |
30.18 | 30.98 | -0.80 |