| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.78 | 1.95 | -0.17 |
| Feb | 1.73 | 1.94 | -0.21 |
| Mar | 2.24 | 2.27 | -0.03 |
| Apr | 3.78 | 3.80 | -0.02 |
| May | 4.08 | 4.23 | -0.15 |
| Jun | 4.25 | 4.26 | -0.01 |
| Jul | 3.38 | 3.54 | -0.16 |
| Aug | 3.62 | 3.50 | 0.12 |
| Sep | 3.38 | 3.50 | -0.12 |
| Oct | 3.20 | 3.21 | -0.01 |
| Nov | 2.38 | 2.41 | -0.03 |
| Dec | 1.87 | 2.13 | -0.26 |
35.69 | 36.74 | -1.05 |