| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.87 | 4.84 | 0.03 |
| Feb | 3.54 | 3.62 | -0.08 |
| Mar | 3.36 | 3.32 | 0.04 |
| Apr | 2.22 | 2.31 | -0.09 |
| May | 1.56 | 1.51 | 0.05 |
| Jun | 0.74 | 0.75 | -0.01 |
| Jul | 0.32 | 0.31 | 0.01 |
| Aug | 0.29 | 0.26 | 0.03 |
| Sep | 0.58 | 0.57 | 0.01 |
| Oct | 1.88 | 1.96 | -0.08 |
| Nov | 4.03 | 4.23 | -0.20 |
| Dec | 5.86 | 6.41 | -0.55 |
29.25 | 30.09 | -0.84 |