| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 1.05 | -0.08 |
| Feb | 0.92 | 0.91 | 0.01 |
| Mar | 1.19 | 1.19 | 0.00 |
| Apr | 2.16 | 2.20 | -0.04 |
| May | 2.78 | 2.80 | -0.02 |
| Jun | 3.67 | 3.59 | 0.08 |
| Jul | 3.44 | 3.12 | 0.32 |
| Aug | 2.72 | 2.53 | 0.19 |
| Sep | 2.96 | 3.02 | -0.06 |
| Oct | 2.92 | 2.83 | 0.09 |
| Nov | 1.94 | 2.04 | -0.10 |
| Dec | 1.47 | 1.51 | -0.04 |
27.14 | 26.79 | 0.35 |