| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.39 | 1.36 | 0.03 |
| Feb | 1.58 | 1.61 | -0.03 |
| Mar | 2.71 | 2.64 | 0.07 |
| Apr | 3.62 | 3.55 | 0.07 |
| May | 5.31 | 5.22 | 0.09 |
| Jun | 4.48 | 4.48 | 0.00 |
| Jul | 3.26 | 3.31 | -0.05 |
| Aug | 3.20 | 3.23 | -0.03 |
| Sep | 3.65 | 3.71 | -0.06 |
| Oct | 3.41 | 3.31 | 0.10 |
| Nov | 2.08 | 2.07 | 0.01 |
| Dec | 2.04 | 1.99 | 0.05 |
36.73 | 36.48 | 0.25 |