| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.17 | 5.58 | -0.41 |
| Feb | 3.70 | 3.71 | -0.01 |
| Mar | 4.22 | 4.13 | 0.09 |
| Apr | 2.99 | 2.94 | 0.05 |
| May | 2.04 | 2.01 | 0.03 |
| Jun | 1.59 | 1.60 | -0.01 |
| Jul | 0.78 | 0.75 | 0.03 |
| Aug | 0.99 | 0.94 | 0.05 |
| Sep | 1.64 | 1.56 | 0.08 |
| Oct | 3.78 | 3.67 | 0.11 |
| Nov | 5.76 | 5.92 | -0.16 |
| Dec | 5.63 | 5.79 | -0.16 |
38.29 | 38.60 | -0.31 |