| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.51 | 1.49 | 0.02 |
| Feb | 1.89 | 1.84 | 0.05 |
| Mar | 2.59 | 2.47 | 0.12 |
| Apr | 3.88 | 3.70 | 0.18 |
| May | 5.46 | 5.54 | -0.08 |
| Jun | 5.06 | 4.91 | 0.15 |
| Jul | 4.28 | 4.65 | -0.37 |
| Aug | 3.91 | 4.00 | -0.09 |
| Sep | 3.75 | 3.80 | -0.05 |
| Oct | 3.23 | 3.25 | -0.02 |
| Nov | 2.50 | 2.48 | 0.02 |
| Dec | 1.84 | 1.79 | 0.05 |
39.90 | 39.92 | -0.02 |