| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.71 | 0.01 |
| Feb | 0.80 | 0.82 | -0.02 |
| Mar | 1.59 | 1.56 | 0.03 |
| Apr | 3.08 | 3.05 | 0.03 |
| May | 4.23 | 4.23 | 0.00 |
| Jun | 4.85 | 4.60 | 0.25 |
| Jul | 3.63 | 3.65 | -0.02 |
| Aug | 3.55 | 3.69 | -0.14 |
| Sep | 3.12 | 3.17 | -0.05 |
| Oct | 2.41 | 2.29 | 0.12 |
| Nov | 1.38 | 1.31 | 0.07 |
| Dec | 0.90 | 0.94 | -0.04 |
30.26 | 30.02 | 0.24 |