| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.52 | 0.07 |
| Feb | 0.76 | 0.62 | 0.14 |
| Mar | 1.31 | 1.27 | 0.04 |
| Apr | 2.23 | 2.13 | 0.10 |
| May | 2.61 | 2.51 | 0.10 |
| Jun | 1.70 | 1.67 | 0.03 |
| Jul | 1.81 | 1.67 | 0.14 |
| Aug | 1.56 | 1.61 | -0.05 |
| Sep | 1.31 | 1.27 | 0.04 |
| Oct | 1.16 | 1.15 | 0.01 |
| Nov | 0.88 | 0.80 | 0.08 |
| Dec | 0.55 | 0.51 | 0.04 |
16.47 | 15.73 | 0.74 |