| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.59 | 0.01 |
| Feb | 0.72 | 0.71 | 0.01 |
| Mar | 1.47 | 1.48 | -0.01 |
| Apr | 2.65 | 2.78 | -0.13 |
| May | 4.52 | 4.58 | -0.06 |
| Jun | 3.97 | 4.04 | -0.07 |
| Jul | 3.44 | 3.36 | 0.08 |
| Aug | 3.32 | 3.33 | -0.01 |
| Sep | 2.26 | 2.23 | 0.03 |
| Oct | 2.16 | 2.12 | 0.04 |
| Nov | 1.24 | 1.19 | 0.05 |
| Dec | 0.91 | 0.85 | 0.06 |
27.26 | 27.26 | 0.00 |