| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.37 | 0.01 |
| Feb | 0.50 | 0.45 | 0.05 |
| Mar | 1.07 | 1.03 | 0.04 |
| Apr | 2.14 | 2.19 | -0.05 |
| May | 3.44 | 3.57 | -0.13 |
| Jun | 2.77 | 2.81 | -0.04 |
| Jul | 2.05 | 1.85 | 0.20 |
| Aug | 1.48 | 1.37 | 0.11 |
| Sep | 1.35 | 1.35 | 0.00 |
| Oct | 1.42 | 1.46 | -0.04 |
| Nov | 0.58 | 0.56 | 0.02 |
| Dec | 0.46 | 0.44 | 0.02 |
17.64 | 17.45 | 0.19 |