| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.23 | -0.01 |
| Feb | 2.65 | 2.70 | -0.05 |
| Mar | 3.62 | 3.59 | 0.03 |
| Apr | 3.83 | 3.78 | 0.05 |
| May | 4.37 | 4.44 | -0.07 |
| Jun | 4.45 | 4.40 | 0.05 |
| Jul | 3.99 | 3.98 | 0.01 |
| Aug | 3.66 | 3.58 | 0.08 |
| Sep | 3.86 | 3.80 | 0.06 |
| Oct | 2.94 | 2.86 | 0.08 |
| Nov | 3.16 | 3.13 | 0.03 |
| Dec | 3.42 | 3.38 | 0.04 |
43.17 | 42.87 | 0.30 |