| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.25 | 2.20 | 0.05 |
| Feb | 1.78 | 1.81 | -0.03 |
| Mar | 2.61 | 2.56 | 0.05 |
| Apr | 2.50 | 2.43 | 0.07 |
| May | 4.06 | 3.99 | 0.07 |
| Jun | 3.32 | 3.76 | -0.44 |
| Jul | 2.22 | 2.79 | -0.57 |
| Aug | 2.36 | 2.44 | -0.08 |
| Sep | 3.43 | 3.57 | -0.14 |
| Oct | 3.64 | 3.90 | -0.26 |
| Nov | 2.57 | 2.65 | -0.08 |
| Dec | 2.29 | 2.47 | -0.18 |
33.03 | 34.57 | -1.54 |