| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.77 | -0.01 |
| Feb | 0.70 | 0.69 | 0.01 |
| Mar | 1.18 | 1.13 | 0.05 |
| Apr | 1.90 | 1.89 | 0.01 |
| May | 3.00 | 3.03 | -0.03 |
| Jun | 4.44 | 4.34 | 0.10 |
| Jul | 3.96 | 4.12 | -0.16 |
| Aug | 3.17 | 3.37 | -0.20 |
| Sep | 2.97 | 3.13 | -0.16 |
| Oct | 2.64 | 2.59 | 0.05 |
| Nov | 1.32 | 1.34 | -0.02 |
| Dec | 0.96 | 1.01 | -0.05 |
27.00 | 27.41 | -0.41 |