| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.70 | -0.02 |
| Feb | 0.67 | 0.63 | 0.04 |
| Mar | 1.07 | 1.15 | -0.08 |
| Apr | 1.31 | 1.31 | 0.00 |
| May | 2.72 | 2.57 | 0.15 |
| Jun | 2.63 | 2.56 | 0.07 |
| Jul | 2.09 | 2.07 | 0.02 |
| Aug | 1.94 | 1.85 | 0.09 |
| Sep | 2.62 | 2.48 | 0.14 |
| Oct | 1.51 | 1.55 | -0.04 |
| Nov | 0.81 | 0.82 | -0.01 |
| Dec | 0.76 | 0.81 | -0.05 |
18.81 | 18.50 | 0.31 |