| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.98 | 0.99 | -0.01 |
| Feb | 1.33 | 1.36 | -0.03 |
| Mar | 2.06 | 2.10 | -0.04 |
| Apr | 3.99 | 4.00 | -0.01 |
| May | 5.26 | 5.47 | -0.21 |
| Jun | 4.89 | 5.20 | -0.31 |
| Jul | 4.37 | 4.41 | -0.04 |
| Aug | 4.29 | 4.45 | -0.16 |
| Sep | 3.56 | 3.69 | -0.13 |
| Oct | 2.86 | 2.83 | 0.03 |
| Nov | 2.00 | 2.01 | -0.01 |
| Dec | 1.42 | 1.38 | 0.04 |
37.01 | 37.89 | -0.88 |