| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.64 | 2.80 | -0.16 |
| Feb | 2.13 | 2.29 | -0.16 |
| Mar | 2.75 | 2.85 | -0.10 |
| Apr | 3.68 | 3.83 | -0.15 |
| May | 3.76 | 3.93 | -0.17 |
| Jun | 4.09 | 4.09 | 0.00 |
| Jul | 3.72 | 3.89 | -0.17 |
| Aug | 3.57 | 3.67 | -0.10 |
| Sep | 3.51 | 3.59 | -0.08 |
| Oct | 3.25 | 3.32 | -0.07 |
| Nov | 2.88 | 2.97 | -0.09 |
| Dec | 2.62 | 2.78 | -0.16 |
38.60 | 40.01 | -1.41 |