| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.45 | -0.02 |
| Feb | 1.38 | 1.43 | -0.05 |
| Mar | 2.00 | 2.00 | 0.00 |
| Apr | 3.63 | 3.69 | -0.06 |
| May | 4.10 | 4.03 | 0.07 |
| Jun | 5.07 | 5.28 | -0.21 |
| Jul | 4.01 | 4.25 | -0.24 |
| Aug | 4.01 | 4.14 | -0.13 |
| Sep | 3.30 | 3.42 | -0.12 |
| Oct | 2.76 | 2.88 | -0.12 |
| Nov | 2.15 | 2.11 | 0.04 |
| Dec | 1.68 | 1.74 | -0.06 |
35.52 | 36.42 | -0.90 |