| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.37 | 1.38 | -0.01 |
| Feb | 1.64 | 1.65 | -0.01 |
| Mar | 2.44 | 2.36 | 0.08 |
| Apr | 2.67 | 2.74 | -0.07 |
| May | 4.35 | 4.13 | 0.22 |
| Jun | 3.59 | 3.64 | -0.05 |
| Jul | 2.44 | 2.28 | 0.16 |
| Aug | 2.38 | 2.41 | -0.03 |
| Sep | 3.29 | 3.05 | 0.24 |
| Oct | 3.34 | 3.13 | 0.21 |
| Nov | 1.99 | 1.99 | 0.00 |
| Dec | 1.75 | 1.69 | 0.06 |
31.25 | 30.45 | 0.80 |