| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.75 | -0.28 |
| Feb | 2.06 | 2.22 | -0.16 |
| Mar | 2.29 | 2.36 | -0.07 |
| Apr | 3.59 | 3.58 | 0.01 |
| May | 4.00 | 4.01 | -0.01 |
| Jun | 3.98 | 4.08 | -0.10 |
| Jul | 3.74 | 3.80 | -0.06 |
| Aug | 4.05 | 4.13 | -0.08 |
| Sep | 3.34 | 3.38 | -0.04 |
| Oct | 3.84 | 4.00 | -0.16 |
| Nov | 2.81 | 2.93 | -0.12 |
| Dec | 2.44 | 2.46 | -0.02 |
38.61 | 39.70 | -1.09 |