| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.34 | 0.04 |
| Feb | 2.83 | 2.87 | -0.04 |
| Mar | 3.31 | 3.24 | 0.07 |
| Apr | 3.28 | 3.28 | 0.00 |
| May | 4.87 | 4.70 | 0.17 |
| Jun | 4.03 | 4.11 | -0.08 |
| Jul | 2.44 | 2.21 | 0.23 |
| Aug | 3.42 | 3.22 | 0.20 |
| Sep | 3.72 | 3.62 | 0.10 |
| Oct | 4.70 | 4.53 | 0.17 |
| Nov | 3.77 | 3.76 | 0.01 |
| Dec | 3.33 | 3.38 | -0.05 |
43.08 | 42.26 | 0.82 |