| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.80 | 0.01 |
| Feb | 0.85 | 0.87 | -0.02 |
| Mar | 1.39 | 1.40 | -0.01 |
| Apr | 2.51 | 2.50 | 0.01 |
| May | 3.37 | 3.41 | -0.04 |
| Jun | 4.60 | 4.66 | -0.06 |
| Jul | 4.39 | 4.54 | -0.15 |
| Aug | 3.75 | 3.82 | -0.07 |
| Sep | 3.21 | 3.24 | -0.03 |
| Oct | 3.01 | 3.05 | -0.04 |
| Nov | 1.62 | 1.57 | 0.05 |
| Dec | 1.20 | 1.23 | -0.03 |
30.71 | 31.09 | -0.38 |