| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.61 | -0.01 |
| Feb | 0.72 | 0.73 | -0.01 |
| Mar | 1.45 | 1.47 | -0.02 |
| Apr | 2.62 | 2.74 | -0.12 |
| May | 4.72 | 4.68 | 0.04 |
| Jun | 4.05 | 4.05 | 0.00 |
| Jul | 3.48 | 3.45 | 0.03 |
| Aug | 3.36 | 3.38 | -0.02 |
| Sep | 2.31 | 2.21 | 0.10 |
| Oct | 2.21 | 2.16 | 0.05 |
| Nov | 1.24 | 1.22 | 0.02 |
| Dec | 0.92 | 0.91 | 0.01 |
27.68 | 27.61 | 0.07 |