| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.81 | 1.99 | -0.18 |
| Feb | 2.10 | 2.12 | -0.02 |
| Mar | 2.89 | 2.89 | 0.00 |
| Apr | 4.23 | 4.36 | -0.13 |
| May | 5.02 | 4.88 | 0.14 |
| Jun | 4.70 | 4.78 | -0.08 |
| Jul | 4.37 | 4.27 | 0.10 |
| Aug | 3.67 | 3.80 | -0.13 |
| Sep | 3.76 | 3.74 | 0.02 |
| Oct | 3.18 | 3.21 | -0.03 |
| Nov | 2.69 | 2.73 | -0.04 |
| Dec | 1.93 | 1.97 | -0.04 |
40.35 | 40.74 | -0.39 |