| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.22 | 0.05 |
| Feb | 1.56 | 1.51 | 0.05 |
| Mar | 2.55 | 2.66 | -0.11 |
| Apr | 3.74 | 3.73 | 0.01 |
| May | 4.96 | 4.84 | 0.12 |
| Jun | 4.69 | 4.60 | 0.09 |
| Jul | 3.38 | 3.42 | -0.04 |
| Aug | 3.41 | 3.28 | 0.13 |
| Sep | 3.48 | 3.26 | 0.22 |
| Oct | 3.26 | 3.23 | 0.03 |
| Nov | 2.03 | 2.03 | 0.00 |
| Dec | 1.76 | 1.59 | 0.17 |
36.09 | 35.37 | 0.72 |