| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.70 | -0.01 |
| Feb | 0.80 | 0.79 | 0.01 |
| Mar | 1.51 | 1.45 | 0.06 |
| Apr | 2.62 | 2.65 | -0.03 |
| May | 3.73 | 3.83 | -0.10 |
| Jun | 4.21 | 4.29 | -0.08 |
| Jul | 3.86 | 3.83 | 0.03 |
| Aug | 3.94 | 3.99 | -0.05 |
| Sep | 3.01 | 2.99 | 0.02 |
| Oct | 2.47 | 2.51 | -0.04 |
| Nov | 1.38 | 1.34 | 0.04 |
| Dec | 0.92 | 0.96 | -0.04 |
29.14 | 29.33 | -0.19 |