| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.91 | 2.00 | -0.09 |
| Feb | 1.80 | 1.92 | -0.12 |
| Mar | 2.21 | 2.21 | 0.00 |
| Apr | 3.72 | 3.74 | -0.02 |
| May | 4.39 | 4.46 | -0.07 |
| Jun | 4.36 | 4.19 | 0.17 |
| Jul | 3.70 | 3.61 | 0.09 |
| Aug | 3.71 | 3.88 | -0.17 |
| Sep | 3.37 | 3.43 | -0.06 |
| Oct | 3.23 | 3.40 | -0.17 |
| Nov | 2.48 | 2.51 | -0.03 |
| Dec | 2.08 | 2.15 | -0.07 |
36.96 | 37.50 | -0.54 |