| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.80 | 6.39 | -0.59 |
| Feb | 5.58 | 5.91 | -0.33 |
| Mar | 4.09 | 4.30 | -0.21 |
| Apr | 1.85 | 2.06 | -0.21 |
| May | 0.72 | 0.87 | -0.15 |
| Jun | 0.17 | 0.28 | -0.11 |
| Jul | 0.02 | 0.02 | 0.00 |
| Aug | 0.03 | 0.04 | -0.01 |
| Sep | 0.09 | 0.11 | -0.02 |
| Oct | 1.19 | 1.44 | -0.25 |
| Nov | 2.86 | 3.00 | -0.14 |
| Dec | 5.49 | 6.22 | -0.73 |
27.89 | 30.64 | -2.75 |