| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.33 | 0.27 | 0.06 |
| Feb | 0.47 | 0.44 | 0.03 |
| Mar | 0.94 | 0.86 | 0.08 |
| Apr | 1.67 | 1.60 | 0.07 |
| May | 2.56 | 2.61 | -0.05 |
| Jun | 2.26 | 2.32 | -0.06 |
| Jul | 2.01 | 2.01 | 0.00 |
| Aug | 1.48 | 1.67 | -0.19 |
| Sep | 1.44 | 1.48 | -0.04 |
| Oct | 1.08 | 1.01 | 0.07 |
| Nov | 0.58 | 0.54 | 0.04 |
| Dec | 0.44 | 0.41 | 0.03 |
15.26 | 15.22 | 0.04 |