| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.41 | 2.37 | 0.04 |
| Feb | 1.98 | 1.88 | 0.10 |
| Mar | 2.75 | 2.72 | 0.03 |
| Apr | 2.59 | 2.60 | -0.01 |
| May | 4.29 | 4.37 | -0.08 |
| Jun | 3.54 | 3.45 | 0.09 |
| Jul | 2.34 | 2.24 | 0.10 |
| Aug | 2.44 | 2.44 | 0.00 |
| Sep | 3.66 | 3.93 | -0.27 |
| Oct | 4.31 | 4.26 | 0.05 |
| Nov | 2.65 | 2.93 | -0.28 |
| Dec | 2.39 | 2.53 | -0.14 |
35.35 | 35.72 | -0.37 |