| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.65 | 0.00 |
| Feb | 0.70 | 0.62 | 0.08 |
| Mar | 1.17 | 1.16 | 0.01 |
| Apr | 2.15 | 2.10 | 0.05 |
| May | 3.27 | 3.33 | -0.06 |
| Jun | 4.38 | 4.26 | 0.12 |
| Jul | 4.23 | 4.18 | 0.05 |
| Aug | 3.12 | 3.18 | -0.06 |
| Sep | 2.93 | 2.72 | 0.21 |
| Oct | 2.59 | 2.56 | 0.03 |
| Nov | 1.10 | 0.97 | 0.13 |
| Dec | 0.80 | 0.78 | 0.02 |
27.09 | 26.51 | 0.58 |