| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.68 | 0.04 |
| Feb | 0.72 | 0.70 | 0.02 |
| Mar | 1.40 | 1.34 | 0.06 |
| Apr | 2.47 | 2.47 | 0.00 |
| May | 3.43 | 3.44 | -0.01 |
| Jun | 4.37 | 4.36 | 0.01 |
| Jul | 4.37 | 4.26 | 0.11 |
| Aug | 3.66 | 3.58 | 0.08 |
| Sep | 2.86 | 2.68 | 0.18 |
| Oct | 2.69 | 2.72 | -0.03 |
| Nov | 1.25 | 1.18 | 0.07 |
| Dec | 0.86 | 0.90 | -0.04 |
28.80 | 28.31 | 0.49 |