| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.99 | 6.15 | -0.16 |
| Feb | 4.43 | 4.60 | -0.17 |
| Mar | 4.40 | 4.69 | -0.29 |
| Apr | 3.25 | 3.54 | -0.29 |
| May | 2.35 | 2.44 | -0.09 |
| Jun | 1.50 | 1.59 | -0.09 |
| Jul | 0.41 | 0.47 | -0.06 |
| Aug | 0.56 | 0.55 | 0.01 |
| Sep | 1.52 | 1.49 | 0.03 |
| Oct | 3.54 | 3.74 | -0.20 |
| Nov | 6.21 | 6.34 | -0.13 |
| Dec | 7.08 | 7.20 | -0.12 |
41.24 | 42.80 | -1.56 |