| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.10 | 3.58 | 0.52 |
| Feb | 2.49 | 2.33 | 0.16 |
| Mar | 3.09 | 2.86 | 0.23 |
| Apr | 2.29 | 2.22 | 0.07 |
| May | 2.33 | 2.29 | 0.04 |
| Jun | 2.28 | 2.04 | 0.24 |
| Jul | 0.86 | 0.80 | 0.06 |
| Aug | 0.74 | 0.78 | -0.04 |
| Sep | 1.13 | 1.06 | 0.07 |
| Oct | 2.64 | 2.50 | 0.14 |
| Nov | 3.78 | 3.52 | 0.26 |
| Dec | 4.21 | 3.67 | 0.54 |
29.94 | 27.65 | 2.29 |