| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 1.38 | -0.04 |
| Feb | 1.68 | 1.76 | -0.08 |
| Mar | 2.66 | 2.70 | -0.04 |
| Apr | 4.29 | 4.20 | 0.09 |
| May | 5.63 | 5.74 | -0.11 |
| Jun | 5.11 | 5.45 | -0.34 |
| Jul | 4.83 | 4.68 | 0.15 |
| Aug | 4.18 | 4.19 | -0.01 |
| Sep | 4.10 | 4.33 | -0.23 |
| Oct | 3.38 | 3.48 | -0.10 |
| Nov | 2.37 | 2.31 | 0.06 |
| Dec | 1.86 | 1.77 | 0.09 |
41.43 | 41.99 | -0.56 |