| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.39 | -0.02 |
| Feb | 0.66 | 0.61 | 0.05 |
| Mar | 1.10 | 1.23 | -0.13 |
| Apr | 2.51 | 2.60 | -0.09 |
| May | 3.75 | 3.61 | 0.14 |
| Jun | 3.94 | 3.75 | 0.19 |
| Jul | 3.50 | 3.67 | -0.17 |
| Aug | 2.13 | 2.36 | -0.23 |
| Sep | 1.90 | 1.96 | -0.06 |
| Oct | 1.79 | 1.75 | 0.04 |
| Nov | 0.58 | 0.63 | -0.05 |
| Dec | 0.44 | 0.44 | 0.00 |
22.67 | 23.00 | -0.33 |