| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.29 | 1.17 | 0.12 |
| Feb | 1.51 | 1.43 | 0.08 |
| Mar | 2.54 | 2.53 | 0.01 |
| Apr | 3.50 | 3.43 | 0.07 |
| May | 5.14 | 4.86 | 0.28 |
| Jun | 4.70 | 4.73 | -0.03 |
| Jul | 3.40 | 3.27 | 0.13 |
| Aug | 3.57 | 3.30 | 0.27 |
| Sep | 3.36 | 3.38 | -0.02 |
| Oct | 3.34 | 3.21 | 0.13 |
| Nov | 2.02 | 1.83 | 0.19 |
| Dec | 1.71 | 1.68 | 0.03 |
36.08 | 34.82 | 1.26 |