| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.70 | 0.05 |
| Feb | 2.21 | 2.26 | -0.05 |
| Mar | 3.01 | 2.84 | 0.17 |
| Apr | 3.87 | 3.88 | -0.01 |
| May | 4.26 | 4.23 | 0.03 |
| Jun | 4.62 | 4.55 | 0.07 |
| Jul | 3.89 | 4.22 | -0.33 |
| Aug | 3.61 | 3.65 | -0.04 |
| Sep | 3.00 | 3.08 | -0.08 |
| Oct | 2.88 | 2.74 | 0.14 |
| Nov | 3.12 | 3.10 | 0.02 |
| Dec | 2.64 | 2.60 | 0.04 |
39.86 | 39.85 | 0.01 |