| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.40 | 1.48 | -0.08 |
| Feb | 1.10 | 1.17 | -0.07 |
| Mar | 1.58 | 1.68 | -0.10 |
| Apr | 2.67 | 2.81 | -0.14 |
| May | 3.36 | 3.28 | 0.08 |
| Jun | 3.67 | 3.57 | 0.10 |
| Jul | 3.92 | 3.80 | 0.12 |
| Aug | 3.44 | 3.19 | 0.25 |
| Sep | 3.30 | 3.08 | 0.22 |
| Oct | 3.27 | 3.03 | 0.24 |
| Nov | 2.16 | 2.01 | 0.15 |
| Dec | 1.67 | 1.76 | -0.09 |
31.54 | 30.86 | 0.68 |