| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.71 | -0.01 |
| Feb | 1.77 | 1.95 | -0.18 |
| Mar | 3.31 | 3.31 | 0.00 |
| Apr | 4.44 | 4.15 | 0.29 |
| May | 5.61 | 5.96 | -0.35 |
| Jun | 4.59 | 4.58 | 0.01 |
| Jul | 3.79 | 3.75 | 0.04 |
| Aug | 3.39 | 3.57 | -0.18 |
| Sep | 3.92 | 3.84 | 0.08 |
| Oct | 3.67 | 3.66 | 0.01 |
| Nov | 2.91 | 2.80 | 0.11 |
| Dec | 2.45 | 2.46 | -0.01 |
41.55 | 41.74 | -0.19 |