| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.58 | -0.05 |
| Feb | 0.77 | 0.77 | 0.00 |
| Mar | 1.44 | 1.41 | 0.03 |
| Apr | 2.86 | 2.98 | -0.12 |
| May | 3.69 | 3.73 | -0.04 |
| Jun | 4.38 | 4.28 | 0.10 |
| Jul | 3.30 | 3.24 | 0.06 |
| Aug | 3.38 | 3.40 | -0.02 |
| Sep | 2.91 | 2.87 | 0.04 |
| Oct | 2.20 | 2.20 | 0.00 |
| Nov | 1.14 | 1.16 | -0.02 |
| Dec | 0.79 | 0.85 | -0.06 |
27.39 | 27.47 | -0.08 |