| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.78 | -0.04 |
| Feb | 1.03 | 1.09 | -0.06 |
| Mar | 1.79 | 1.88 | -0.09 |
| Apr | 2.60 | 2.60 | 0.00 |
| May | 4.89 | 4.93 | -0.04 |
| Jun | 3.96 | 3.97 | -0.01 |
| Jul | 4.04 | 4.18 | -0.14 |
| Aug | 3.75 | 3.92 | -0.17 |
| Sep | 2.80 | 2.71 | 0.09 |
| Oct | 2.23 | 2.26 | -0.03 |
| Nov | 1.24 | 1.28 | -0.04 |
| Dec | 1.09 | 1.17 | -0.08 |
30.16 | 30.77 | -0.61 |