| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.53 | 2.46 | 0.07 |
| Feb | 2.78 | 2.78 | 0.00 |
| Mar | 3.85 | 3.78 | 0.07 |
| Apr | 3.85 | 3.68 | 0.17 |
| May | 5.32 | 5.18 | 0.14 |
| Jun | 3.88 | 3.87 | 0.01 |
| Jul | 2.51 | 2.47 | 0.04 |
| Aug | 2.62 | 2.64 | -0.02 |
| Sep | 3.40 | 3.28 | 0.12 |
| Oct | 4.38 | 4.57 | -0.19 |
| Nov | 3.06 | 3.17 | -0.11 |
| Dec | 3.42 | 3.35 | 0.07 |
41.60 | 41.23 | 0.37 |