| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.45 | 2.42 | 0.03 |
| Feb | 2.45 | 2.34 | 0.11 |
| Mar | 1.95 | 1.91 | 0.04 |
| Apr | 0.81 | 0.74 | 0.07 |
| May | 0.50 | 0.53 | -0.03 |
| Jun | 0.23 | 0.19 | 0.04 |
| Jul | 2.59 | 2.67 | -0.08 |
| Aug | 2.74 | 2.58 | 0.16 |
| Sep | 1.65 | 1.54 | 0.11 |
| Oct | 1.33 | 1.26 | 0.07 |
| Nov | 1.43 | 1.33 | 0.10 |
| Dec | 2.13 | 1.99 | 0.14 |
20.26 | 19.50 | 0.76 |