| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.56 | 0.01 |
| Feb | 0.73 | 0.68 | 0.05 |
| Mar | 1.26 | 1.21 | 0.05 |
| Apr | 2.53 | 2.52 | 0.01 |
| May | 3.48 | 3.54 | -0.06 |
| Jun | 3.99 | 4.04 | -0.05 |
| Jul | 3.34 | 3.34 | 0.00 |
| Aug | 3.19 | 3.04 | 0.15 |
| Sep | 2.80 | 2.76 | 0.04 |
| Oct | 2.15 | 2.08 | 0.07 |
| Nov | 0.99 | 0.93 | 0.06 |
| Dec | 0.73 | 0.71 | 0.02 |
25.76 | 25.41 | 0.35 |