| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.67 | 1.70 | -0.03 |
| Feb | 1.74 | 1.94 | -0.20 |
| Mar | 3.28 | 3.28 | 0.00 |
| Apr | 4.41 | 4.15 | 0.26 |
| May | 5.57 | 5.97 | -0.40 |
| Jun | 4.58 | 4.60 | -0.02 |
| Jul | 3.79 | 3.74 | 0.05 |
| Aug | 3.39 | 3.55 | -0.16 |
| Sep | 3.89 | 3.80 | 0.09 |
| Oct | 3.62 | 3.66 | -0.04 |
| Nov | 2.87 | 2.78 | 0.09 |
| Dec | 2.41 | 2.43 | -0.02 |
41.22 | 41.60 | -0.38 |