| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.40 | 1.34 | 0.06 |
| Feb | 1.55 | 1.56 | -0.01 |
| Mar | 2.70 | 2.63 | 0.07 |
| Apr | 3.64 | 3.50 | 0.14 |
| May | 5.26 | 5.17 | 0.09 |
| Jun | 4.51 | 4.48 | 0.03 |
| Jul | 3.31 | 3.37 | -0.06 |
| Aug | 3.20 | 3.27 | -0.07 |
| Sep | 3.69 | 3.67 | 0.02 |
| Oct | 3.48 | 3.28 | 0.20 |
| Nov | 2.06 | 2.04 | 0.02 |
| Dec | 2.02 | 1.95 | 0.07 |
36.82 | 36.26 | 0.56 |