| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.03 | 2.15 | -0.12 |
| Feb | 1.89 | 1.98 | -0.09 |
| Mar | 2.56 | 2.69 | -0.13 |
| Apr | 2.44 | 2.47 | -0.03 |
| May | 4.64 | 4.96 | -0.32 |
| Jun | 3.51 | 3.75 | -0.24 |
| Jul | 2.16 | 2.61 | -0.45 |
| Aug | 2.38 | 2.47 | -0.09 |
| Sep | 3.67 | 3.80 | -0.13 |
| Oct | 3.41 | 3.52 | -0.11 |
| Nov | 2.45 | 2.71 | -0.26 |
| Dec | 1.92 | 2.15 | -0.23 |
33.06 | 35.26 | -2.20 |