| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.37 | 1.33 | 0.04 |
| Feb | 1.54 | 1.55 | -0.01 |
| Mar | 2.67 | 2.62 | 0.05 |
| Apr | 3.60 | 3.53 | 0.07 |
| May | 5.21 | 5.18 | 0.03 |
| Jun | 4.48 | 4.47 | 0.01 |
| Jul | 3.27 | 3.34 | -0.07 |
| Aug | 3.21 | 3.29 | -0.08 |
| Sep | 3.60 | 3.67 | -0.07 |
| Oct | 3.36 | 3.29 | 0.07 |
| Nov | 2.04 | 2.01 | 0.03 |
| Dec | 1.98 | 1.95 | 0.03 |
36.33 | 36.23 | 0.10 |