| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.11 | 1.16 | -0.05 |
| Feb | 1.41 | 1.42 | -0.01 |
| Mar | 2.23 | 2.28 | -0.05 |
| Apr | 3.64 | 3.78 | -0.14 |
| May | 4.70 | 4.68 | 0.02 |
| Jun | 5.30 | 5.21 | 0.09 |
| Jul | 4.19 | 4.22 | -0.03 |
| Aug | 4.26 | 4.10 | 0.16 |
| Sep | 3.66 | 3.37 | 0.29 |
| Oct | 2.91 | 2.93 | -0.02 |
| Nov | 2.15 | 2.20 | -0.05 |
| Dec | 1.60 | 1.62 | -0.02 |
37.16 | 36.97 | 0.19 |