| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.73 | 0.00 |
| Feb | 0.92 | 0.92 | 0.00 |
| Mar | 1.68 | 1.63 | 0.05 |
| Apr | 2.75 | 2.82 | -0.07 |
| May | 4.95 | 5.02 | -0.07 |
| Jun | 4.70 | 4.60 | 0.10 |
| Jul | 3.65 | 3.54 | 0.11 |
| Aug | 3.68 | 3.71 | -0.03 |
| Sep | 2.93 | 2.76 | 0.17 |
| Oct | 2.33 | 2.27 | 0.06 |
| Nov | 1.28 | 1.41 | -0.13 |
| Dec | 1.19 | 1.07 | 0.12 |
30.79 | 30.48 | 0.31 |