| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.55 | 0.02 |
| Feb | 0.76 | 0.75 | 0.01 |
| Mar | 1.29 | 1.33 | -0.04 |
| Apr | 2.03 | 2.07 | -0.04 |
| May | 3.70 | 3.69 | 0.01 |
| Jun | 3.27 | 3.18 | 0.09 |
| Jul | 3.84 | 3.60 | 0.24 |
| Aug | 3.31 | 3.14 | 0.17 |
| Sep | 2.02 | 1.98 | 0.04 |
| Oct | 1.67 | 1.72 | -0.05 |
| Nov | 0.89 | 0.89 | 0.00 |
| Dec | 0.80 | 0.89 | -0.09 |
24.15 | 23.79 | 0.36 |