| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.41 | 1.36 | 0.05 |
| Feb | 1.57 | 1.60 | -0.03 |
| Mar | 2.71 | 2.64 | 0.07 |
| Apr | 3.67 | 3.54 | 0.13 |
| May | 5.28 | 5.21 | 0.07 |
| Jun | 4.52 | 4.49 | 0.03 |
| Jul | 3.26 | 3.33 | -0.07 |
| Aug | 3.17 | 3.23 | -0.06 |
| Sep | 3.71 | 3.71 | 0.00 |
| Oct | 3.44 | 3.31 | 0.13 |
| Nov | 2.08 | 2.07 | 0.01 |
| Dec | 2.05 | 1.99 | 0.06 |
36.87 | 36.48 | 0.39 |