| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.67 | 2.61 | 0.06 |
| Feb | 2.23 | 2.22 | 0.01 |
| Mar | 2.37 | 2.33 | 0.04 |
| Apr | 3.59 | 3.51 | 0.08 |
| May | 4.20 | 4.20 | 0.00 |
| Jun | 4.21 | 4.14 | 0.07 |
| Jul | 3.97 | 4.12 | -0.15 |
| Aug | 4.05 | 3.86 | 0.19 |
| Sep | 3.44 | 3.33 | 0.11 |
| Oct | 3.60 | 3.44 | 0.16 |
| Nov | 2.93 | 2.79 | 0.14 |
| Dec | 2.53 | 2.38 | 0.15 |
39.79 | 38.93 | 0.86 |