| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.24 | 1.23 | 0.01 |
| Feb | 1.52 | 1.50 | 0.02 |
| Mar | 2.53 | 2.66 | -0.13 |
| Apr | 3.70 | 3.72 | -0.02 |
| May | 4.88 | 4.87 | 0.01 |
| Jun | 4.65 | 4.62 | 0.03 |
| Jul | 3.34 | 3.42 | -0.08 |
| Aug | 3.39 | 3.28 | 0.11 |
| Sep | 3.41 | 3.27 | 0.14 |
| Oct | 3.25 | 3.22 | 0.03 |
| Nov | 2.08 | 2.04 | 0.04 |
| Dec | 1.74 | 1.59 | 0.15 |
35.73 | 35.42 | 0.31 |