| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.76 | -0.18 |
| Feb | 2.10 | 2.26 | -0.16 |
| Mar | 2.70 | 2.81 | -0.11 |
| Apr | 3.52 | 3.61 | -0.09 |
| May | 3.70 | 3.73 | -0.03 |
| Jun | 3.92 | 3.80 | 0.12 |
| Jul | 3.65 | 3.69 | -0.04 |
| Aug | 3.57 | 3.58 | -0.01 |
| Sep | 3.59 | 3.61 | -0.02 |
| Oct | 3.30 | 3.36 | -0.06 |
| Nov | 2.86 | 2.94 | -0.08 |
| Dec | 2.63 | 2.79 | -0.16 |
38.12 | 38.94 | -0.82 |