| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.67 | 2.73 | -0.06 |
| Feb | 2.27 | 2.28 | -0.01 |
| Mar | 3.00 | 3.08 | -0.08 |
| Apr | 3.91 | 3.88 | 0.03 |
| May | 4.32 | 4.37 | -0.05 |
| Jun | 4.46 | 4.67 | -0.21 |
| Jul | 4.06 | 4.21 | -0.15 |
| Aug | 3.41 | 3.49 | -0.08 |
| Sep | 3.04 | 3.14 | -0.10 |
| Oct | 2.70 | 2.75 | -0.05 |
| Nov | 2.81 | 2.85 | -0.04 |
| Dec | 2.80 | 2.86 | -0.06 |
39.45 | 40.31 | -0.86 |