| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.03 | 2.19 | -0.16 |
| Feb | 1.81 | 1.99 | -0.18 |
| Mar | 2.36 | 2.37 | -0.01 |
| Apr | 3.81 | 3.86 | -0.05 |
| May | 4.43 | 4.51 | -0.08 |
| Jun | 4.26 | 4.29 | -0.03 |
| Jul | 3.71 | 3.95 | -0.24 |
| Aug | 4.06 | 4.03 | 0.03 |
| Sep | 3.25 | 3.26 | -0.01 |
| Oct | 3.50 | 3.44 | 0.06 |
| Nov | 2.56 | 2.61 | -0.05 |
| Dec | 2.09 | 2.28 | -0.19 |
37.87 | 38.78 | -0.91 |