| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.78 | 1.82 | -0.04 |
| Feb | 1.72 | 1.80 | -0.08 |
| Mar | 2.22 | 2.24 | -0.02 |
| Apr | 3.78 | 3.71 | 0.07 |
| May | 4.16 | 4.47 | -0.31 |
| Jun | 4.48 | 4.62 | -0.14 |
| Jul | 3.60 | 3.74 | -0.14 |
| Aug | 3.74 | 3.71 | 0.03 |
| Sep | 3.49 | 3.48 | 0.01 |
| Oct | 3.11 | 3.12 | -0.01 |
| Nov | 2.42 | 2.36 | 0.06 |
| Dec | 2.00 | 2.02 | -0.02 |
36.50 | 37.09 | -0.59 |