| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.26 | 2.20 | 0.06 |
| Feb | 1.78 | 1.79 | -0.01 |
| Mar | 2.63 | 2.54 | 0.09 |
| Apr | 2.51 | 2.40 | 0.11 |
| May | 4.06 | 3.95 | 0.11 |
| Jun | 3.34 | 3.65 | -0.31 |
| Jul | 2.18 | 2.70 | -0.52 |
| Aug | 2.35 | 2.38 | -0.03 |
| Sep | 3.45 | 3.51 | -0.06 |
| Oct | 3.53 | 3.86 | -0.33 |
| Nov | 2.58 | 2.61 | -0.03 |
| Dec | 2.37 | 2.47 | -0.10 |
33.04 | 34.06 | -1.02 |