| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.25 | 2.20 | 0.05 |
| Feb | 1.78 | 1.80 | -0.02 |
| Mar | 2.61 | 2.54 | 0.07 |
| Apr | 2.50 | 2.41 | 0.09 |
| May | 4.06 | 3.96 | 0.10 |
| Jun | 3.32 | 3.69 | -0.37 |
| Jul | 2.22 | 2.74 | -0.52 |
| Aug | 2.36 | 2.41 | -0.05 |
| Sep | 3.43 | 3.53 | -0.10 |
| Oct | 3.64 | 3.87 | -0.23 |
| Nov | 2.57 | 2.63 | -0.06 |
| Dec | 2.29 | 2.47 | -0.18 |
33.03 | 34.25 | -1.22 |