| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.95 | 1.01 | -0.06 |
| Feb | 1.35 | 1.38 | -0.03 |
| Mar | 2.26 | 2.37 | -0.11 |
| Apr | 3.75 | 3.88 | -0.13 |
| May | 5.09 | 5.23 | -0.14 |
| Jun | 5.32 | 5.30 | 0.02 |
| Jul | 4.24 | 4.23 | 0.01 |
| Aug | 4.44 | 4.43 | 0.01 |
| Sep | 3.80 | 3.71 | 0.09 |
| Oct | 2.97 | 3.10 | -0.13 |
| Nov | 1.95 | 1.97 | -0.02 |
| Dec | 1.54 | 1.56 | -0.02 |
37.66 | 38.17 | -0.51 |