| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.15 | 2.19 | -0.04 |
| Feb | 1.85 | 1.90 | -0.05 |
| Mar | 2.59 | 2.60 | -0.01 |
| Apr | 3.74 | 3.68 | 0.06 |
| May | 4.45 | 4.43 | 0.02 |
| Jun | 4.24 | 4.16 | 0.08 |
| Jul | 4.14 | 3.95 | 0.19 |
| Aug | 3.60 | 3.40 | 0.20 |
| Sep | 3.07 | 3.22 | -0.15 |
| Oct | 3.28 | 3.24 | 0.04 |
| Nov | 2.89 | 2.72 | 0.17 |
| Dec | 2.21 | 2.21 | 0.00 |
38.21 | 37.70 | 0.51 |