| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.87 | -0.09 |
| Feb | 0.82 | 0.87 | -0.05 |
| Mar | 1.60 | 1.63 | -0.03 |
| Apr | 2.96 | 3.00 | -0.04 |
| May | 4.28 | 4.28 | 0.00 |
| Jun | 4.85 | 4.67 | 0.18 |
| Jul | 4.19 | 4.10 | 0.09 |
| Aug | 4.41 | 4.53 | -0.12 |
| Sep | 3.24 | 3.25 | -0.01 |
| Oct | 2.55 | 2.59 | -0.04 |
| Nov | 1.57 | 1.62 | -0.05 |
| Dec | 1.07 | 1.21 | -0.14 |
32.32 | 32.62 | -0.30 |