| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.32 | 0.10 |
| Feb | 0.44 | 0.32 | 0.12 |
| Mar | 0.59 | 0.45 | 0.14 |
| Apr | 1.47 | 1.29 | 0.18 |
| May | 2.16 | 2.17 | -0.01 |
| Jun | 2.80 | 2.71 | 0.09 |
| Jul | 1.13 | 1.03 | 0.10 |
| Aug | 1.09 | 1.00 | 0.09 |
| Sep | 1.26 | 1.19 | 0.07 |
| Oct | 0.90 | 0.76 | 0.14 |
| Nov | 0.54 | 0.37 | 0.17 |
| Dec | 0.44 | 0.33 | 0.11 |
13.24 | 11.94 | 1.30 |