| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.64 | -0.03 |
| Feb | 3.08 | 2.99 | 0.09 |
| Mar | 4.05 | 4.00 | 0.05 |
| Apr | 3.61 | 3.60 | 0.01 |
| May | 3.79 | 3.62 | 0.17 |
| Jun | 4.53 | 4.42 | 0.11 |
| Jul | 5.05 | 5.42 | -0.37 |
| Aug | 5.08 | 5.07 | 0.01 |
| Sep | 5.39 | 5.58 | -0.19 |
| Oct | 3.47 | 3.34 | 0.13 |
| Nov | 3.45 | 3.41 | 0.04 |
| Dec | 3.56 | 3.55 | 0.01 |
48.67 | 48.64 | 0.03 |