| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.42 | 0.00 |
| Feb | 0.60 | 0.57 | 0.03 |
| Mar | 0.87 | 0.86 | 0.01 |
| Apr | 1.97 | 1.98 | -0.01 |
| May | 3.09 | 3.23 | -0.14 |
| Jun | 3.45 | 3.68 | -0.23 |
| Jul | 2.52 | 2.64 | -0.12 |
| Aug | 2.11 | 2.14 | -0.03 |
| Sep | 1.74 | 1.74 | 0.00 |
| Oct | 1.60 | 1.62 | -0.02 |
| Nov | 0.55 | 0.58 | -0.03 |
| Dec | 0.45 | 0.50 | -0.05 |
19.37 | 19.96 | -0.59 |