| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.41 | 6.86 | -0.45 |
| Feb | 4.72 | 4.97 | -0.25 |
| Mar | 4.54 | 4.62 | -0.08 |
| Apr | 2.81 | 2.80 | 0.01 |
| May | 1.74 | 1.68 | 0.06 |
| Jun | 0.79 | 0.72 | 0.07 |
| Jul | 0.30 | 0.33 | -0.03 |
| Aug | 0.29 | 0.26 | 0.03 |
| Sep | 0.67 | 0.66 | 0.01 |
| Oct | 2.33 | 2.30 | 0.03 |
| Nov | 5.16 | 5.36 | -0.20 |
| Dec | 7.56 | 7.88 | -0.32 |
37.32 | 38.44 | -1.12 |