| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.42 | 0.16 |
| Feb | 3.68 | 3.67 | 0.01 |
| Mar | 4.36 | 4.21 | 0.15 |
| Apr | 4.01 | 3.87 | 0.14 |
| May | 4.75 | 4.82 | -0.07 |
| Jun | 3.88 | 3.92 | -0.04 |
| Jul | 2.91 | 2.73 | 0.18 |
| Aug | 2.78 | 2.62 | 0.16 |
| Sep | 3.43 | 3.26 | 0.17 |
| Oct | 4.76 | 4.67 | 0.09 |
| Nov | 3.67 | 3.65 | 0.02 |
| Dec | 4.30 | 4.39 | -0.09 |
46.11 | 45.23 | 0.88 |