| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.60 | 0.00 |
| Feb | 0.70 | 0.72 | -0.02 |
| Mar | 1.46 | 1.54 | -0.08 |
| Apr | 2.84 | 2.86 | -0.02 |
| May | 4.40 | 4.45 | -0.05 |
| Jun | 4.33 | 4.62 | -0.29 |
| Jul | 3.16 | 3.25 | -0.09 |
| Aug | 3.40 | 3.37 | 0.03 |
| Sep | 2.48 | 2.57 | -0.09 |
| Oct | 2.28 | 2.22 | 0.06 |
| Nov | 1.19 | 1.23 | -0.04 |
| Dec | 0.87 | 0.88 | -0.01 |
27.71 | 28.31 | -0.60 |