| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.37 | 1.34 | 0.03 |
| Feb | 1.54 | 1.57 | -0.03 |
| Mar | 2.65 | 2.62 | 0.03 |
| Apr | 3.60 | 3.57 | 0.03 |
| May | 5.27 | 5.18 | 0.09 |
| Jun | 4.46 | 4.44 | 0.02 |
| Jul | 3.22 | 3.28 | -0.06 |
| Aug | 3.18 | 3.22 | -0.04 |
| Sep | 3.58 | 3.66 | -0.08 |
| Oct | 3.37 | 3.29 | 0.08 |
| Nov | 2.04 | 2.03 | 0.01 |
| Dec | 2.00 | 1.96 | 0.04 |
36.28 | 36.16 | 0.12 |