| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.28 | -0.09 |
| Feb | 2.63 | 2.67 | -0.04 |
| Mar | 3.87 | 3.92 | -0.05 |
| Apr | 3.58 | 3.56 | 0.02 |
| May | 4.06 | 4.01 | 0.05 |
| Jun | 4.30 | 4.08 | 0.22 |
| Jul | 4.44 | 4.40 | 0.04 |
| Aug | 3.65 | 3.61 | 0.04 |
| Sep | 4.61 | 4.64 | -0.03 |
| Oct | 3.98 | 3.97 | 0.01 |
| Nov | 3.23 | 3.16 | 0.07 |
| Dec | 3.68 | 3.84 | -0.16 |
45.22 | 45.14 | 0.08 |