| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.42 | 0.04 |
| Feb | 0.48 | 0.44 | 0.04 |
| Mar | 1.15 | 1.06 | 0.09 |
| Apr | 1.55 | 1.57 | -0.02 |
| May | 2.38 | 2.53 | -0.15 |
| Jun | 3.10 | 2.98 | 0.12 |
| Jul | 3.01 | 3.00 | 0.01 |
| Aug | 2.80 | 2.86 | -0.06 |
| Sep | 1.29 | 1.31 | -0.02 |
| Oct | 1.49 | 1.55 | -0.06 |
| Nov | 0.57 | 0.58 | -0.01 |
| Dec | 0.60 | 0.67 | -0.07 |
18.88 | 18.97 | -0.09 |