| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.74 | 0.01 |
| Feb | 1.01 | 0.92 | 0.09 |
| Mar | 1.95 | 1.89 | 0.06 |
| Apr | 2.47 | 2.46 | 0.01 |
| May | 3.72 | 3.91 | -0.19 |
| Jun | 4.00 | 3.99 | 0.01 |
| Jul | 3.37 | 3.34 | 0.03 |
| Aug | 3.54 | 3.42 | 0.12 |
| Sep | 2.06 | 2.30 | -0.24 |
| Oct | 2.40 | 2.46 | -0.06 |
| Nov | 1.22 | 1.08 | 0.14 |
| Dec | 1.12 | 1.01 | 0.11 |
27.61 | 27.52 | 0.09 |