| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.45 | 1.53 | -0.08 |
| Feb | 1.50 | 1.59 | -0.09 |
| Mar | 2.19 | 2.20 | -0.01 |
| Apr | 3.75 | 3.92 | -0.17 |
| May | 4.25 | 4.44 | -0.19 |
| Jun | 5.47 | 5.47 | 0.00 |
| Jul | 4.59 | 4.52 | 0.07 |
| Aug | 4.14 | 4.21 | -0.07 |
| Sep | 3.64 | 3.55 | 0.09 |
| Oct | 2.89 | 2.90 | -0.01 |
| Nov | 2.25 | 2.26 | -0.01 |
| Dec | 1.66 | 1.75 | -0.09 |
37.78 | 38.34 | -0.56 |