| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.53 | -0.05 |
| Feb | 0.58 | 0.64 | -0.06 |
| Mar | 1.14 | 1.26 | -0.12 |
| Apr | 2.01 | 2.09 | -0.08 |
| May | 2.50 | 2.53 | -0.03 |
| Jun | 1.68 | 1.73 | -0.05 |
| Jul | 1.82 | 1.80 | 0.02 |
| Aug | 1.68 | 1.68 | 0.00 |
| Sep | 1.30 | 1.21 | 0.09 |
| Oct | 1.08 | 1.14 | -0.06 |
| Nov | 0.72 | 0.74 | -0.02 |
| Dec | 0.51 | 0.53 | -0.02 |
15.50 | 15.88 | -0.38 |