| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.28 | 1.26 | 0.02 |
| Feb | 1.53 | 1.51 | 0.02 |
| Mar | 2.16 | 2.12 | 0.04 |
| Apr | 3.75 | 3.88 | -0.13 |
| May | 4.23 | 4.28 | -0.05 |
| Jun | 5.58 | 5.81 | -0.23 |
| Jul | 4.67 | 4.54 | 0.13 |
| Aug | 3.97 | 3.92 | 0.05 |
| Sep | 3.66 | 3.70 | -0.04 |
| Oct | 3.01 | 3.03 | -0.02 |
| Nov | 2.28 | 2.31 | -0.03 |
| Dec | 1.72 | 1.79 | -0.07 |
37.84 | 38.15 | -0.31 |