| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.71 | -0.23 |
| Feb | 1.92 | 2.09 | -0.17 |
| Mar | 2.21 | 2.41 | -0.20 |
| Apr | 3.45 | 3.65 | -0.20 |
| May | 4.26 | 4.23 | 0.03 |
| Jun | 3.83 | 3.88 | -0.05 |
| Jul | 3.58 | 3.57 | 0.01 |
| Aug | 3.72 | 3.87 | -0.15 |
| Sep | 3.25 | 3.29 | -0.04 |
| Oct | 3.71 | 3.88 | -0.17 |
| Nov | 2.72 | 2.91 | -0.19 |
| Dec | 2.34 | 2.51 | -0.17 |
37.47 | 39.00 | -1.53 |