| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.48 | -0.02 |
| Feb | 0.55 | 0.54 | 0.01 |
| Mar | 1.21 | 1.21 | 0.00 |
| Apr | 2.08 | 1.99 | 0.09 |
| May | 2.64 | 2.65 | -0.01 |
| Jun | 1.78 | 1.70 | 0.08 |
| Jul | 1.65 | 1.49 | 0.16 |
| Aug | 1.47 | 1.28 | 0.19 |
| Sep | 1.36 | 1.37 | -0.01 |
| Oct | 1.16 | 1.19 | -0.03 |
| Nov | 0.77 | 0.74 | 0.03 |
| Dec | 0.47 | 0.54 | -0.07 |
15.60 | 15.18 | 0.42 |