| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.94 | -0.24 |
| Feb | 3.60 | 3.74 | -0.14 |
| Mar | 2.73 | 2.74 | -0.01 |
| Apr | 1.49 | 1.49 | 0.00 |
| May | 0.97 | 0.81 | 0.16 |
| Jun | 0.19 | 0.19 | 0.00 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.02 | 0.03 | -0.01 |
| Sep | 0.08 | 0.11 | -0.03 |
| Oct | 0.87 | 0.91 | -0.04 |
| Nov | 1.76 | 1.71 | 0.05 |
| Dec | 3.27 | 3.47 | -0.20 |
18.69 | 19.14 | -0.45 |