| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.62 | 0.00 |
| Feb | 0.75 | 0.74 | 0.01 |
| Mar | 1.37 | 1.45 | -0.08 |
| Apr | 2.57 | 2.62 | -0.05 |
| May | 4.70 | 4.79 | -0.09 |
| Jun | 4.04 | 3.98 | 0.06 |
| Jul | 3.66 | 3.67 | -0.01 |
| Aug | 3.55 | 3.52 | 0.03 |
| Sep | 2.34 | 2.34 | 0.00 |
| Oct | 2.17 | 2.18 | -0.01 |
| Nov | 1.27 | 1.23 | 0.04 |
| Dec | 0.91 | 0.94 | -0.03 |
27.95 | 28.08 | -0.13 |