| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.70 | 0.02 |
| Feb | 1.81 | 1.96 | -0.15 |
| Mar | 3.27 | 3.20 | 0.07 |
| Apr | 4.43 | 4.14 | 0.29 |
| May | 5.61 | 5.88 | -0.27 |
| Jun | 4.58 | 4.58 | 0.00 |
| Jul | 3.79 | 3.62 | 0.17 |
| Aug | 3.45 | 3.58 | -0.13 |
| Sep | 3.96 | 3.73 | 0.23 |
| Oct | 3.65 | 3.71 | -0.06 |
| Nov | 2.90 | 2.71 | 0.19 |
| Dec | 2.43 | 2.28 | 0.15 |
41.60 | 41.09 | 0.51 |