| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.72 | -0.02 |
| Feb | 0.91 | 0.87 | 0.04 |
| Mar | 1.64 | 1.61 | 0.03 |
| Apr | 2.73 | 2.80 | -0.07 |
| May | 4.89 | 4.96 | -0.07 |
| Jun | 4.48 | 4.56 | -0.08 |
| Jul | 4.06 | 4.00 | 0.06 |
| Aug | 3.32 | 3.45 | -0.13 |
| Sep | 2.88 | 2.96 | -0.08 |
| Oct | 2.31 | 2.29 | 0.02 |
| Nov | 1.29 | 1.34 | -0.05 |
| Dec | 1.04 | 1.02 | 0.02 |
30.25 | 30.58 | -0.33 |