| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.33 | 2.23 | 0.10 |
| Feb | 2.58 | 2.41 | 0.17 |
| Mar | 3.59 | 3.53 | 0.06 |
| Apr | 3.67 | 3.62 | 0.05 |
| May | 5.42 | 5.21 | 0.21 |
| Jun | 4.16 | 4.01 | 0.15 |
| Jul | 2.76 | 2.74 | 0.02 |
| Aug | 2.59 | 2.62 | -0.03 |
| Sep | 3.60 | 3.43 | 0.17 |
| Oct | 4.15 | 4.13 | 0.02 |
| Nov | 3.04 | 3.04 | 0.00 |
| Dec | 3.20 | 3.10 | 0.10 |
41.09 | 40.07 | 1.02 |