| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.71 | 1.74 | -0.03 |
| Feb | 1.87 | 1.90 | -0.03 |
| Mar | 2.38 | 2.42 | -0.04 |
| Apr | 3.80 | 3.79 | 0.01 |
| May | 4.96 | 5.08 | -0.12 |
| Jun | 4.59 | 4.56 | 0.03 |
| Jul | 3.94 | 3.93 | 0.01 |
| Aug | 3.78 | 3.67 | 0.11 |
| Sep | 3.68 | 3.79 | -0.11 |
| Oct | 3.00 | 2.83 | 0.17 |
| Nov | 2.52 | 2.48 | 0.04 |
| Dec | 2.05 | 2.03 | 0.02 |
38.28 | 38.22 | 0.06 |